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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 $4,837 NZD
HK$21,300 HKD
As of October 30, 2026
Save $10,517 NZD (68%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $16,759 NZD 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: $16,759 NZD|Low: $4,837 NZD|High: $23,155 NZD|Avg: $10,618 NZD|-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$4,837 NZD
Retailer 9$4,941 NZD
Retailer 2$5,656 NZD
Retailer 5$6,434 NZD
Retailer 3$6,677 NZD
Retailer 4$10,522 NZD
Retailer 6$13,919 NZD
Retailer 10$14,390 NZD
Retailer 7$15,355 NZD
Novita Diamonds$16,759 NZD

30 data points across 10 retailers

10 retailers$4,837 NZD to $15,355 NZD

A
Cheapest Retailer
-
$4,837 NZD
HK$21,300 HKD
A
Retailer 2
-
$4,941 NZD
$2,785 USD
View
A
Retailer 3
-
$5,656 NZD
£2,510 GBP
View
A
Retailer 4
-
$6,434 NZD
$3,626 USD
View
A
Retailer 5
-
$6,677 NZD
€3,584 EUR
View
Retailer 6
-
$10,522 NZD
$5,930 USD
View
Price last confirmed 9 days ago
B+
Retailer 7
-
$13,919 NZD
$7,845 USD
View
B+
Retailer 8
-
$14,390 NZD
$8,111 USD
View
B+
Retailer 9
-
$15,355 NZD
$8,654 USD
View
Most Expensive
Novita Diamonds
cert_840638779 · Oct 8
$16,759 NZD
A$14,531 AUD
View
Price last confirmed 22 days ago
9 more retailers have this diamond
Prices start from $4,837 NZDSave up to $10,517 NZD

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
$4,837 NZD