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Cushion|Lab Grown|IGI

10.51ct E VVS2 Cushion Lab Grown Diamond

ID • E/VVS2 • IGI LG840638761

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840638761

Diamond specifications and retailer prices

From $3,863 AUD
HK$21,200 HKD
As of October 30, 2026
Save $8,387 AUD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $13,365 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 10.51ct lab-grown cushion diamond

This 10.51ct 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 LG840638761 or 840638761. 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

10.51
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840638761
Dimensions16.01 × 11.28 × 7.52 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.01 mm11.28 mm10.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840638761
Side View
Table 61.0%Crown 32.7°Girdle: MED-THKPavilion 35.4°Culet: NoneDepth 66.7%

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: $13,365 AUD|Low: $3,863 AUD|High: $18,473 AUD|Avg: $8,468 AUD|-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 8$3,863 AUD
Retailer 9$3,943 AUD
Retailer 2$4,513 AUD
Retailer 5$5,134 AUD
Retailer 3$5,327 AUD
Retailer 4$8,413 AUD
Retailer 6$11,047 AUD
Retailer 10$11,482 AUD
Retailer 7$12,250 AUD
Novita Diamonds$13,365 AUD

30 data points across 10 retailers

10 retailers$3,863 AUD to $12,250 AUD

A
Cheapest Retailer
-
$3,863 AUD
HK$21,200 HKD
A
Retailer 2
-
$3,943 AUD
$2,770 USD
View
A
Retailer 3
-
$4,513 AUD
£2,496 GBP
View
A
Retailer 4
-
$5,134 AUD
$3,606 USD
View
A
Retailer 5
-
$5,327 AUD
€3,564 EUR
View
Retailer 6
-
$8,413 AUD
$5,910 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$11,047 AUD
$7,760 USD
View
B+
Retailer 8
-
$11,482 AUD
$8,066 USD
View
B+
Retailer 9
-
$12,250 AUD
$8,605 USD
View
Most Expensive
Novita Diamonds
cert_840638761 · Oct 8
$13,365 AUD
View
Price last confirmed 22 days ago
9 more retailers have this diamond
Prices start from $3,863 AUDSave up to $8,387 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
10.51ct Cushion
$3,863 AUD