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Oval|Lab Grown|IGI

6.57ct G VS1 Oval Lab Grown Diamond

ID • G/VS1 • IGI LG598314710

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG598314710

Diamond specifications and retailer prices

From $881 USD
As of November 1, 2026
Save $4,759 USD (84%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $5,640 USD at Brilliant Earth · As of November 2, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598314710 or 598314710. Listed at 23 retailers as of November 1, 2026, with prices from $881 to $5,640, a $4,759 spread on the same certified stone. Brilliant Earth lists it at $5,640. 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598314710
Dimensions15.43 × 10.53 × 6.20 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
15.43 mm10.53 mm6.57 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598314710
Side View
Table 62.0%Crown 32.8°Girdle: STK-THKPavilion 38.5°Culet: NoneDepth 58.9%

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: Nov 1
Current: $5,640 USD|Low: $846 USD|High: $5,810 USD|Avg: $2,101 USD|-2.9%
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
Retailer 17
Retailer 18
November 2, 2026
Retailer 3$881 USD
Retailer 9$958 USD
Retailer 6$986 USD
Retailer 7$1,022 USD
Retailer 2$1,094 USD
Retailer 16$1,195 USD
Retailer 15$1,462 USD
Retailer 10$1,512 USD
Retailer 17$1,551 USD
Retailer 11$1,572 USD
Retailer 12$1,893 USD
Retailer 14$1,977 USD
Retailer 13$2,018 USD
Retailer 8$2,873 USD
Retailer 4$3,197 USD
Retailer 5$3,210 USD
Retailer 18$3,835 USD
Brilliant Earth$5,640 USD

43 data points across 18 retailers

23 retailers$881 USD to $5,640 USD

A
Cheapest Retailer
-
$881 USD
A
Retailer 2
-
$958 USD
View
A
Retailer 3
-
$986 USD
View
Final sale: no returns
Retailer 4
-
$1,022 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$1,022 USD
View
A
Retailer 6
-
$1,094 USD
£862 GBP
View
A
Retailer 7
-
$1,195 USD
View
B+
Retailer 8
-
$1,462 USD
View
A
Retailer 9
-
$1,512 USD
View
A
Retailer 10
-
$1,551 USD
€1,477 EUR
View
A
Retailer 11
-
$1,572 USD
£1,238 GBP
View
A
Retailer 12
-
$1,893 USD
A$2,913 AUD
View
A
Retailer 13
-
$1,977 USD
ZAR 31,939 ZAR
View
A
Retailer 14
-
$2,018 USD
View
B+
Retailer 15
-
$2,486 USD
View
B+
Retailer 16
-
$2,624 USD
View
B+
Retailer 17
-
$2,819 USD
£2,220 GBP
View
B+
Retailer 18
-
$2,873 USD
View
B+
Retailer 19
-
$3,197 USD
View
B+
Retailer 20
-
$3,210 USD
View
B
Retailer 21
-
$3,547 USD
View
B
Retailer 22
-
$3,835 USD
£3,020 GBP
View
Most Expensive
B
Brilliant Earth
10792536A · Nov 2
$5,640 USD
View
22 more retailers have this diamond
Prices start from $881 USDSave up to $4,759 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
$881 USD