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Oval|Lab Grown|IGI

6.57ct E VS2 Oval Lab Grown Diamond

EX • E/VS2 • IGI LG731571959

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG731571959

Diamond specifications and retailer prices

From $1,415 USD
As of October 29, 2026
Save $11,275 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $12,690 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 6.57ct lab-grown oval diamond

This 6.57ct lab-grown oval sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG731571959 or 731571959. Listed at 22 retailers as of October 29, 2026, with prices from $1,415 to $12,690, a $11,275 spread on the same certified stone. Brilliant Earth lists it at $12,690. 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

6.57
Carat
E
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731571959
Dimensions10.27 × 10.27 × 6.13 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.27 mm10.27 mm6.57 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731571959
Side View
Table 58.0%Crown 37.6°Girdle: STK-THKPavilion 37.1°Culet: NoneDepth 59.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $12,690 USD|Low: $1,010 USD|High: $12,820 USD|Avg: $3,806 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
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Retailer 11
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Retailer 13
Retailer 14
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Retailer 19
October 29, 2026
Retailer 19$1,213 USD
Retailer 4$1,415 USD
Retailer 9$1,466 USD
Retailer 14$1,640 USD
Retailer 3$1,915 USD
Retailer 17$2,063 USD
Retailer 2$2,283 USD
Retailer 6$2,579 USD
Retailer 5$2,733 USD
Retailer 13$2,813 USD
Retailer 10$3,901 USD
Retailer 18$4,207 USD
Retailer 8$4,329 USD
Retailer 12$4,647 USD
Retailer 16$4,926 USD
Retailer 15$5,545 USD
Retailer 11$5,737 USD
Retailer 7$9,210 USD
Brilliant Earth$12,690 USD

42 data points across 19 retailers

22 retailers$1,415 USD to $12,690 USD

Retailer 1
-
$1,213 USD
Price last confirmed 28 days ago
Retailer 2
-
$1,375 USD
View
Price last confirmed 33 days ago
A
Retailer 3
-
$1,415 USD
View
Final sale: no returns
Retailer 4
-
$1,466 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$1,640 USD
View
A
Retailer 6
-
$1,915 USD
View
A
Retailer 7
-
$2,063 USD
View
A
Retailer 8
-
$2,283 USD
£1,798 GBP
View
B+
Retailer 9
-
$2,579 USD
View
B+
Retailer 10
-
$2,733 USD
View
B+
Retailer 11
-
$2,813 USD
A$4,328 AUD
View
Retailer 12
-
$3,033 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$3,901 USD
£3,072 GBP
View
B
Retailer 14
-
$4,207 USD
View
B
Retailer 15
-
$4,329 USD
View
B
Retailer 16
-
$4,647 USD
£3,659 GBP
View
Retailer 17
-
$4,926 USD
A$7,579 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$5,545 USD
View
B
Retailer 19
-
$5,737 USD
View
B
Retailer 20
-
$8,700 USD
View
B
Retailer 21
-
$9,210 USD
View
Most Expensive
B
Brilliant Earth
20288454A · Oct 29
$12,690 USD
View
21 more retailers have this diamond
Prices start from $1,415 USDSave up to $11,275 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
6.57ct Oval
$1,415 USD