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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG844678170

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG844678170

Diamond specifications and retailer prices

From $328 NZD
$185 USD
As of October 28, 2026
Save $1,761 NZD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,089 NZD at MOH London · As of October 26, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844678170 or 844678170. Listed at 13 retailers as of October 26, 2026, with prices from $328 to $2,089, a $1,761 spread on the same certified stone. MOH London lists it at $2,089. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle45.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844678170
Dimensions4.53 × 4.49 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.53 mm4.49 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844678170
Side View
Table 63.0%Crown 32.1°Girdle: THK-VTKPavilion 45.7°Culet: NoneDepth 71.5%

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 28
Current: $2,089 NZD|Low: $206 NZD|High: $2,089 NZD|Avg: $726 NZD|+8.4%
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
October 29, 2026
Retailer 7$216 NZD
Retailer 11$328 NZD
Retailer 5$399 NZD
Retailer 14$433 NZD
Retailer 3$442 NZD
Retailer 2$443 NZD
Retailer 8$476 NZD
Retailer 12$578 NZD
Retailer 10$679 NZD
Retailer 4$873 NZD
Retailer 6$1,194 NZD
Retailer 13$1,271 NZD
Retailer 9$1,602 NZD
MOH London$2,089 NZD

16 data points across 14 retailers

13 retailers$328 NZD to $2,089 NZD

A
Cheapest Retailer
-
$328 NZD
$185 USD
A
Retailer 2
-
$399 NZD
$225 USD
View
A
Retailer 3
-
$433 NZD
ZAR 3,941 ZAR
View
B+
Retailer 4
-
$442 NZD
$249 USD
View
A
Retailer 5
-
$443 NZD
€238 EUR
View
B+
Retailer 6
-
$476 NZD
£211 GBP
View
B+
Retailer 7
-
$578 NZD
£257 GBP
View
B
Retailer 8
-
$679 NZD
SGD 517 SGD
View
B
Retailer 9
-
$873 NZD
$492 USD
View
B
Retailer 10
-
$1,194 NZD
£530 GBP
View
B
Retailer 11
-
$1,271 NZD
£564 GBP
View
B
Retailer 12
-
$1,602 NZD
$903 USD
View
Most Expensive
B
MOH London
LG844678170 · Oct 26
$2,089 NZD
£927 GBP
View
12 more retailers have this diamond
Prices start from $328 NZDSave up to $1,761 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
$328 NZD