Sources & evidence
We analyze comparable sales from screener sessions and market records, then group them by shared object signals.
- Comparables
- 12
- Auction sources
- 7
- Records with images
- 12
- Coverage
- 2021-2026
Market Examples
Comparable market evidence
Recent auction and sale records linked to this worth guide's object signals.
Ozbid Auctions
May 18, 2026
A$700
1.04ct Round Brilliant Diamond D VS1.
1.04ct Round Brilliant Diamond D VS1. One 1.04ct round brilliant cut loose Lab-Grown Diamond. IGI Certificate # LG783615987 Colour: D, Clarity: VS1 Type: CVD Polish: Excellent Symmetry: Excellent
View saleIntervendue
Dec 12, 2023
$19,000
CARTIER 1.50-ct GIA Diamond Platinum RING Engagement Solitaire
Weight 4.1 grams. Made of platinum (stamped), the ring features a 1.50-carat round brilliant cut diamond that comes with a GIA Report stated the color as D, the clarity as VS1. Measurements - Ring size 5.5 (European size 52); re-sizable. Stamped with Cartier maker's mark, hallmark for platinum, ring size, diamond size and serial number. Comes in an original Cartier box - excellent presentation and full package at the fraction of the retail price.
View saleHindman
May 18, 2021
$31,000
DIAMOND RING
DIAMOND RING Containing one round brilliant cut diamond weighing 2.57 carats and 20 round brilliant cut diamonds weighing approximately 1.85 carats total. Mounted in platinum and yellow gold. Ring size 5. Stamp: Jabel 10%Irid plat. Stamp: 18K. 6.80 dwt. GIA, 2021, Report number [redacted number], 2.57 carats, D color, VS1 clarity, No fluorescence
View saleFreeman’s
Dec 11, 2025
$47,500
DIAMOND AND PLATINUM RING
DIAMOND AND PLATINUM RING Featuring a round brilliant cut diamond weighing 3.18 carats, flanked by baguette cut diamonds weighing approximately 0.30 carat total. Platinum. Ring size 6 3/4. Stamp: 10% IRID PLAT. Gross weight: 3.70 dwt. GIA, 2025, Report No. [redacted number], 3.18 carats, D color, VS1 clarity, No fluorescence
View saleO'Gallerie
Aug 19, 2025
$400
1.10 CTS. LAB GROWN DIAMOND NECKLACE WITH IGI REPORT
1.10 CTS. LAB GROWN DIAMOND NECKLACE WITH IGI REPORT: adjustable length platinum cable chain suspending a platinum pendant featuring a 1.10 cts. round brilliant-cut lab grown diamond measuring 6.55 - 6.59 x 4.09 mm (color grade D, clarity grade VS1, laser inscription IGI LG643445222), accented with 23 round-cut lab grown diamonds weighing 0.17 cttw. The pendant necklace weighs 4.2 grams and is stamped "Pt950", "A" (chain) and "Pt950", "LGD1.1ct", "lgd0.17ct", "ZXS" (pendant). The chain can be worn at lengths inc...
View saleO'Gallerie
Feb 23, 2026
$650
LAB GROWN DIAMOND & 18K WHITE GOLD RING WITH IGI REPORT
LAB GROWN DIAMOND & 18K WHITE GOLD RING WITH IGI REPORT: featuring a 1.01 cts. round brilliant-cut lab grown diamond (color grade E, clarity grade VVS2, laser inscription IGI LG660482763) accented with 20 round-cut lab grown diamonds weighing 0.284 cttw. The ring weighs 3.8 grams and is stamped "LGD1.01ct", "lgd0.284ct", "ZXS" and "Au750". Ring size: 7-1/4. Black ring box included.
View saleView 6 more comparable records
O'Gallerie
Jan 19, 2026
$1,100
2.90 CTS. LAB GROWN DIAMOND & 14K WHITE GOLD RING
2.90 CTS. LAB GROWN DIAMOND & 14K WHITE GOLD RING: four-prong solitaire setting featuring a 2.90 cts. round brilliant-cut lab grown diamond (color grade E, clarity grade VS1, laser inscription IGI LG698590004). The ring weighs 3.0 grams. Ring size: 7. IGI Laboratory Grown Diamond Report included.
View saleO'Gallerie
Feb 23, 2026
$2,000
4.57 CTS. LAB GROWN DIAMOND & 14K WHITE GOLD RING
4.57 CTS. LAB GROWN DIAMOND & 14K WHITE GOLD RING: four-prong solitaire setting featuring a 4.57 cts. round brilliant-cut lab grown diamond (color grade G, clarity grade VVS2, laser inscription IGI LG618414625). The ring weighs 3.6 grams and is stamped "14K". Ring size: 7. IGI Laboratory Grown Diamond Report included.
View saleHess Fine Art
Mar 25, 2023
$32,000
Cartier GIA 2.10ct D VS1 Diamond Platinum 2.50ctw Engagement Ring w/ Papers
Title: Cartier GIA 2.10ct D VS1 Diamond Platinum 2.50ctw Engagement Ring w/ Papers Description: A signed & numbered platinum & diamond Cartier engagement ring with a 2.10ct round brilliants solitaire at center. Included is a GIA report (#[redacted number]) grading it with VS/1 clarity, D color, and an EXCELLENT cut grade. Retail was $71,000 for this in 2007. Weight or Size of Gemstones: One 8.37-8.46 X 5.05mm round brill8iant cut diamond at 2.10cts + eighteen 1.5-2mm round full cut diamonds totaling approx. 2.50...
View sale
Henry's Auktionshaus
Mar 26, 2026
€1,600
Loose diamond, 1.75 ct
Loose diamond, 1.75 ct Crystal(I)/si2 , Old mine Cut, sealed, IGI-expertise . German Description: Loser Diamant, 1.75 ct l.get.Weiß(I)/si2, Old Mine Cut, eingeschweißt, IGI-Expertise
View saleOzbid Auctions
Apr 28, 2026
A$1,600
4.03ct Emerald Diamond D VS1.
4.03ct Emerald Diamond D VS1. One 4.03ct emerald cut loose Lab-Grown Diamond. IGI Certificate # LG773652878 Colour: D, Clarity: VS1 Type: CVD Polish: Excellent Symmetry: Excellent
View sale
Ozbid Auctions
Feb 23, 2025
A$1,100
2.42ct Loose Diamond D VS1.
Identification
Key object facts
- Item Type
- diamond
- Category
- gemstone
- Style
- round brilliant cut
- Material
- diamond
- Technique
- faceted gem cutting
- Era
- 1980-2026
Recognition Recognition signals
- Key identification signals include form diamond, material diamond.
- Loose round brilliant-cut diamond photographed against a black background. The stone shows strong brightness and fire; the stated grade is D color, VS1 clarity, but this cannot be independently verified from the image alone.
- This guide is currently supported by 12 comparable-market records in the strongest linked screener session.
Drivers Value drivers
- Condition and completeness are material for diamond.
- Diamond examples should be checked for wear, repairs, restoration, and replacement parts.
Market Market context
- The median selected comparable price for this cluster is about $1,600.
- round brilliant cut style cues help separate this group from broader diamond listings that often dilute market comps.
- Diamond condition, restoration, and finish quality can materially shift asking and sold prices.
- This page currently surfaces 12 hand-selected comparable records for round brilliant cut diamond.
Evidence
How this guide was assembled
- This worth guide is based on 1 supporting screener session clustered into the same topic.
- Observed value signals across supporting evidence span roughly $400 to $19,000.
- Overall evidence quality for this cluster is currently developing evidence.
- Comparable evidence is drawn from 7 auction sources in the selected evidence set.
Coverage
Source coverage and evidence quality
- The current cluster is supported by 1 screener session that normalized into the same worth topic.
- The strongest linked session for this cluster captured 12 comparable market records.
- Selected comparables span 7 distinct auction sources.
- Comparable dates on this page currently cover 2021-2026.
Questions
Frequently searched questions
What is a round brilliant cut diamond?
This page is a market guide for identifying a round brilliant cut diamond and understanding the main factors that influence collector demand and price.
What affects the value of a diamond?
Condition, completeness, maker or pattern attribution, dimensions, age, rarity, and comparable-market evidence all affect value.
What is the typical market range for round brilliant cut diamond?
Current supporting screener evidence suggests a broad market range around $400 to $19,000, depending on condition and attribution.
D Color VS1 Diamond?
This guide uses clustered screener evidence to help answer searches like "D color VS1 diamond" with identification notes, value drivers, and comparable-market context.
How much is round brilliant cut diamond worth?
Value depends on maker, exact type, age, condition, and comparable sales. This guide keeps only selected market examples that match the diamond topic closely enough for public reference.
Intent
Related searches
Artist Market Index
Artist guides for maker comparison
When a worth question depends on a maker, signature, or attribution, compare this object guide with high-volume artist auction pages.
Next step
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