CaratHunter
Plans
Cushion|Lab Grown|IGI

10.57ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG840638779

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840638779

Diamond specifications and retailer prices

From HK$21,391 HKD
As of October 30, 2026
Save HK$46,506 HKD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$74,104 HKD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 10.57ct lab-grown cushion diamond

This 10.57ct lab-grown cushion sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840638779 or 840638779. Listed at 10 retailers as of October 30, 2026, with a 217% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

10.57
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840638779
Dimensions15.87 × 11.43 × 7.48 mm
L/W Ratio1.39
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.87 mm11.43 mm10.57 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840638779
Side View
Table 61.0%Crown 32.5°Girdle: MED-THKPavilion 38.6°Culet: NoneDepth 65.4%

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 30
Current: HK$74,104 HKD|Low: HK$21,391 HKD|High: HK$102,386 HKD|Avg: HK$46,953 HKD|-0.3%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 8HK$21,391 HKD
Retailer 9HK$21,850 HKD
Retailer 2HK$25,012 HKD
Retailer 5HK$28,449 HKD
Retailer 3HK$29,525 HKD
Retailer 4HK$46,525 HKD
Retailer 6HK$61,550 HKD
Retailer 10HK$63,633 HKD
Retailer 7HK$67,897 HKD
Novita DiamondsHK$74,104 HKD

30 data points across 10 retailers

10 retailersHK$21,391 HKD to HK$67,897 HKD

A
Cheapest Retailer
-
HK$21,391 HKD
A
Retailer 2
-
HK$21,850 HKD
$2,785 USD
View
A
Retailer 3
-
HK$25,012 HKD
£2,510 GBP
View
A
Retailer 4
-
HK$28,449 HKD
$3,626 USD
View
A
Retailer 5
-
HK$29,525 HKD
€3,584 EUR
View
Retailer 6
-
HK$46,525 HKD
$5,930 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
HK$61,550 HKD
$7,845 USD
View
B+
Retailer 8
-
HK$63,633 HKD
$8,111 USD
View
B+
Retailer 9
-
HK$67,897 HKD
$8,654 USD
View
Most Expensive
Novita Diamonds
cert_840638779 · Oct 8
HK$74,104 HKD
A$14,531 AUD
View
Price last confirmed 21 days ago
9 more retailers have this diamond
Prices start from HK$21,391 HKDSave up to HK$46,506 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
10.57ct Cushion
HK$21,391 HKD