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Cushion|Lab Grown|IGI

0.51ct D VVS2 Cushion Lab Grown Diamond

ID • D/VVS2 • IGI LG830643431

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG830643431

Diamond specifications and retailer prices

From $295 NZD
HK$1,300 HKD
As of October 30, 2026
Save $1,778 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,073 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830643431 or 830643431. Listed at 16 retailers as of October 25, 2026, with prices from $295 to $2,073, a $1,778 spread on the same certified stone. MOH London lists it at $2,073. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.3°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830643431
Dimensions5.54 × 3.74 × 2.73 mm
L/W Ratio1.48
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.54 mm3.74 mm0.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG830643431
Side View
Table 65.0%Crown 38.3°Girdle: MED-THKPavilion 32.6°Culet: NoneDepth 73.0%

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: $2,073 NZD|Low: $224 NZD|High: $2,123 NZD|Avg: $754 NZD|-1.3%
MOH London
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
October 31, 2026
Retailer 8$224 NZD
Retailer 9$295 NZD
Retailer 2$442 NZD
Retailer 6$448 NZD
Retailer 14$461 NZD
Retailer 17$488 NZD
Retailer 12$498 NZD
Retailer 10$584 NZD
Retailer 15$655 NZD
Retailer 13$677 NZD
Retailer 4$696 NZD
Retailer 11$727 NZD
Retailer 7$798 NZD
Retailer 5$900 NZD
Retailer 3$1,298 NZD
Retailer 16$1,624 NZD
MOH London$2,073 NZD

41 data points across 17 retailers

16 retailers$295 NZD to $2,073 NZD

A
Cheapest Retailer
-
$295 NZD
HK$1,300 HKD
A
Retailer 2
-
$442 NZD
€237 EUR
View
Retailer 3
-
$448 NZD
ZAR 4,078 ZAR
View
Price last confirmed 18 days ago
Retailer 4
-
$461 NZD
$260 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$488 NZD
$275 USD
View
A
Retailer 6
-
$498 NZD
£221 GBP
View
B+
Retailer 7
-
$584 NZD
$329 USD
View
B+
Retailer 8
-
$655 NZD
$369 USD
View
B+
Retailer 9
-
$677 NZD
£301 GBP
View
B+
Retailer 10
-
$696 NZD
SGD 530 SGD
View
B+
Retailer 11
-
$727 NZD
$410 USD
View
B+
Retailer 12
-
$798 NZD
$450 USD
View
B
Retailer 13
-
$900 NZD
$507 USD
View
Retailer 14
-
$1,298 NZD
£576 GBP
View
Price last confirmed 14 days ago
B
Retailer 15
-
$1,624 NZD
$915 USD
View
Most Expensive
B
MOH London
LG830643431 · Oct 25
$2,073 NZD
£920 GBP
View
15 more retailers have this diamond
Prices start from $295 NZDSave up to $1,778 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
0.51ct Cushion
$295 NZD