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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 $2,014 AUD
$1,415 USD
As of October 29, 2026
Save $16,049 AUD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $18,063 AUD 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 $2,014 to $18,063, a $16,049 spread on the same certified stone. Brilliant Earth lists it at $18,063. 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
Colour
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: $18,063 AUD|Low: $1,438 AUD|High: $18,248 AUD|Avg: $5,424 AUD
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
Retailer 19
October 30, 2026
Retailer 19$1,727 AUD
Retailer 4$2,014 AUD
Retailer 9$2,087 AUD
Retailer 14$2,334 AUD
Retailer 3$2,726 AUD
Retailer 17$2,936 AUD
Retailer 2$3,250 AUD
Retailer 6$3,671 AUD
Retailer 5$3,890 AUD
Retailer 13$4,004 AUD
Retailer 10$5,553 AUD
Retailer 18$5,988 AUD
Retailer 8$6,162 AUD
Retailer 12$6,614 AUD
Retailer 16$7,012 AUD
Retailer 15$7,893 AUD
Retailer 11$8,166 AUD
Retailer 7$13,110 AUD
Brilliant Earth$18,063 AUD

43 data points across 19 retailers

22 retailers$2,014 AUD to $18,063 AUD

Retailer 1
-
$1,727 AUD
$1,213 USD
Price last confirmed 28 days ago
Retailer 2
-
$1,957 AUD
$1,375 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
$2,014 AUD
$1,415 USD
View
Final sale: no returns
Retailer 4
-
$2,087 AUD
$1,466 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$2,334 AUD
$1,640 USD
View
A
Retailer 6
-
$2,726 AUD
$1,915 USD
View
A
Retailer 7
-
$2,936 AUD
$2,063 USD
View
A
Retailer 8
-
$3,250 AUD
£1,798 GBP
View
B+
Retailer 9
-
$3,671 AUD
$2,579 USD
View
B+
Retailer 10
-
$3,890 AUD
$2,733 USD
View
B+
Retailer 11
-
$4,004 AUD
View
Retailer 12
-
$4,317 AUD
$3,033 USD
View
Price last confirmed 30 days ago
B+
Retailer 13
-
$5,553 AUD
£3,072 GBP
View
B
Retailer 14
-
$5,988 AUD
$4,207 USD
View
B
Retailer 15
-
$6,162 AUD
$4,329 USD
View
B
Retailer 16
-
$6,614 AUD
£3,659 GBP
View
Retailer 17
-
$7,012 AUD
View
Price last confirmed 21 days ago
B
Retailer 18
-
$7,893 AUD
$5,545 USD
View
B
Retailer 19
-
$8,166 AUD
$5,737 USD
View
B
Retailer 20
-
$12,384 AUD
$8,700 USD
View
B
Retailer 21
-
$13,110 AUD
$9,210 USD
View
Most Expensive
B
Brilliant Earth
20288454A · Oct 29
$18,063 AUD
$12,690 USD
View
21 more retailers have this diamond
Prices start from $2,014 AUDSave up to $16,049 AUD

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
$2,014 AUD