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Oval|Lab Grown|IGI

6.65ct G VS2 Oval Lab Grown Diamond

ID • G/VS2 • IGI LG627455431

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG627455431

Diamond specifications and retailer prices

From $861 USD
As of October 27, 2026
Save $4,279 USD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,140 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.65ct lab-grown oval diamond

This 6.65ct lab-grown oval sits in the over five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG627455431 or 627455431. Listed at 17 retailers as of October 27, 2026, with prices from $861 to $5,140, a $4,279 spread on the same certified stone. Brilliant Earth lists it at $5,140. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

6.65
Carat
G
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627455431
Dimensions15.04 × 10.75 × 6.66 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Top View
15.04 mm10.75 mm6.65 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627455431
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $5,140 USD|Low: $827 USD|High: $5,300 USD|Avg: $2,071 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 4$861 USD
Retailer 12$937 USD
Retailer 14$999 USD
Retailer 16$999 USD
Retailer 15$1,093 USD
Retailer 7$1,510 USD
Retailer 2$1,531 USD
Retailer 5$1,606 USD
Retailer 9$1,610 USD
Retailer 11$1,743 USD
Retailer 13$2,296 USD
Retailer 8$2,615 USD
Retailer 3$2,808 USD
Retailer 6$3,125 USD
Retailer 10$3,749 USD
Brilliant Earth$5,140 USD

37 data points across 16 retailers

17 retailers$861 USD to $5,140 USD

A
Cheapest Retailer
-
$861 USD
A
Retailer 2
-
$937 USD
View
A
Retailer 3
-
$999 USD
View
Price last confirmed 12 days ago
A
Retailer 4
-
$999 USD
View
A
Retailer 5
-
$1,093 USD
£861 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
$1,510 USD
View
A
Retailer 7
-
$1,531 USD
£1,206 GBP
View
B+
Retailer 8
-
$1,606 USD
View
B+
Retailer 9
-
$1,610 USD
View
A
Retailer 10
-
$1,743 USD
€1,660 EUR
View
B+
Retailer 11
-
$2,296 USD
View
B+
Retailer 12
-
$2,615 USD
View
B+
Retailer 13
-
$2,808 USD
View
B+
Retailer 14
-
$3,125 USD
View
B
Retailer 15
-
$3,465 USD
View
Price last confirmed 11 days ago
B
Retailer 16
-
$3,749 USD
£2,952 GBP
View
Most Expensive
B
Brilliant Earth
9814178A · Oct 29
$5,140 USD
View
16 more retailers have this diamond
Prices start from $861 USDSave up to $4,279 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
6.65ct Oval
$861 USD