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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG742532523

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG742532523

Diamond specifications and retailer prices

From $241 NZD
$136 USD
As of October 30, 2026
Save $1,435 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,253 NZD at MOH London · As of October 29, 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 LG742532523 or 742532523. Listed at 18 retailers as of October 30, 2026, with a 595% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742532523
Dimensions5.40 × 4.08 × 2.57 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.40 mm4.08 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG742532523
Side View
Table 61.0%Crown 37.3°Girdle: STK-VTKPavilion 32.3°Culet: NoneDepth 63.0%

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: $2,253 NZD|Low: $241 NZD|High: $2,267 NZD|Avg: $651 NZD|+0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 4$241 NZD
Retailer 11$286 NZD
Retailer 10$364 NZD
Retailer 8$399 NZD
Retailer 7$485 NZD
Retailer 2$488 NZD
Retailer 12$550 NZD
Retailer 5$550 NZD
Retailer 6$648 NZD
Retailer 9$653 NZD
Retailer 3$672 NZD
MOH London$2,253 NZD

41 data points across 12 retailers

18 retailers$241 NZD to $1,676 NZD

A
Cheapest Retailer
-
$241 NZD
$136 USD
Final sale: no returns
A
Retailer 2
-
$318 NZD
HK$1,400 HKD
View
A
Retailer 3
-
$364 NZD
$205 USD
View
A
Retailer 4
-
$399 NZD
$225 USD
View
A
Retailer 5
-
$471 NZD
€253 EUR
View
A
Retailer 6
-
$485 NZD
ZAR 4,415 ZAR
View
A
Retailer 7
-
$488 NZD
€262 EUR
View
B+
Retailer 8
-
$550 NZD
$310 USD
View
B+
Retailer 9
-
$550 NZD
£244 GBP
View
B+
Retailer 10
-
$648 NZD
£288 GBP
View
B
Retailer 11
-
$653 NZD
$368 USD
View
B
Retailer 12
-
$672 NZD
$379 USD
View
B+
Retailer 13
-
$747 NZD
SGD 569 SGD
View
B
Retailer 14
-
$814 NZD
$459 USD
View
B
Retailer 15
-
$964 NZD
$543 USD
View
B
Retailer 16
-
$1,406 NZD
£624 GBP
View
B
Retailer 17
-
$1,676 NZD
$945 USD
View
Most Expensive
MOH London
LG742532523 · Oct 29
$2,253 NZD
£1,000 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $241 NZDSave up to $1,435 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
$241 NZD