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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 HK$11,102 HKD
$1,415 USD
As of October 29, 2026
Save HK$88,460 HKD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: HK$99,562 HKD 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 HK$11,102 to HK$99,562, a HK$88,460 spread on the same certified stone. Brilliant Earth lists it at HK$99,562. 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
Dimensions15.63 × 10.27 × 6.13 mm
L/W Ratio1.52
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.63 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: HK$99,562 HKD|Low: HK$7,924 HKD|High: HK$100,582 HKD|Avg: HK$29,996 HKD
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 31, 2026
Retailer 19HK$9,517 HKD
Retailer 4HK$11,102 HKD
Retailer 9HK$11,502 HKD
Retailer 14HK$12,867 HKD
Retailer 3HK$15,025 HKD
Retailer 17HK$16,186 HKD
Retailer 12HK$17,914 HKD
Retailer 6HK$20,234 HKD
Retailer 5HK$21,442 HKD
Retailer 2HK$22,072 HKD
Retailer 10HK$30,610 HKD
Retailer 18HK$33,007 HKD
Retailer 8HK$33,963 HKD
Retailer 13HK$36,458 HKD
Retailer 16HK$38,651 HKD
Retailer 15HK$43,504 HKD
Retailer 11HK$45,008 HKD
Retailer 7HK$72,259 HKD
Brilliant EarthHK$99,562 HKD

43 data points across 19 retailers

22 retailersHK$11,102 HKD to HK$99,562 HKD

Retailer 1
-
HK$9,517 HKD
$1,213 USD
Price last confirmed 29 days ago
Retailer 2
-
HK$10,788 HKD
$1,375 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
HK$11,102 HKD
$1,415 USD
View
Final sale: no returns
Retailer 4
-
HK$11,502 HKD
$1,466 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
HK$12,867 HKD
$1,640 USD
View
A
Retailer 6
-
HK$15,025 HKD
$1,915 USD
View
A
Retailer 7
-
HK$16,186 HKD
$2,063 USD
View
A
Retailer 8
-
HK$17,914 HKD
£1,798 GBP
View
B+
Retailer 9
-
HK$20,234 HKD
$2,579 USD
View
B+
Retailer 10
-
HK$21,442 HKD
$2,733 USD
View
B+
Retailer 11
-
HK$22,072 HKD
A$4,328 AUD
View
Retailer 12
-
HK$23,796 HKD
$3,033 USD
View
Price last confirmed 30 days ago
B
Retailer 13
-
HK$30,610 HKD
£3,072 GBP
View
B
Retailer 14
-
HK$33,007 HKD
$4,207 USD
View
B
Retailer 15
-
HK$33,963 HKD
$4,329 USD
View
B
Retailer 16
-
HK$36,458 HKD
£3,659 GBP
View
Retailer 17
-
HK$38,651 HKD
A$7,579 AUD
View
Price last confirmed 22 days ago
B
Retailer 18
-
HK$43,504 HKD
$5,545 USD
View
B
Retailer 19
-
HK$45,008 HKD
$5,737 USD
View
B
Retailer 20
-
HK$68,258 HKD
$8,700 USD
View
B
Retailer 21
-
HK$72,259 HKD
$9,210 USD
View
Most Expensive
B
Brilliant Earth
20288454A · Oct 29
HK$99,562 HKD
$12,690 USD
View
21 more retailers have this diamond
Prices start from HK$11,102 HKDSave up to HK$88,460 HKD

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
HK$11,102 HKD