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Cushion|Lab Grown|IGI

1.51ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG598350180

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG598350180

Diamond specifications and retailer prices

From $500 NZD
£222 GBP
As of November 2, 2026
Save $1,501 NZD (75%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,001 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown cushion diamond

This 1.51ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG598350180 or 598350180. Listed at 13 retailers as of November 1, 2026, with prices from $500 to $2,001, a $1,501 spread on the same certified stone. MOH London lists it at $2,001. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598350180
Dimensions7.03 × 6.63 × 4.20 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.03 mm6.63 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598350180
Side View
Table 62.0%Crown 33.4°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 63.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,001 NZD|Low: $500 NZD|High: $2,395 NZD|Avg: $1,209 NZD|+6.7%
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
November 2, 2026
Retailer 2$500 NZD
Retailer 3$577 NZD
Retailer 9$738 NZD
Retailer 10$781 NZD
Retailer 7$781 NZD
Retailer 4$837 NZD
Retailer 6$996 NZD
Retailer 11$1,017 NZD
Retailer 5$1,470 NZD
Retailer 13$1,586 NZD
Retailer 8$1,597 NZD
Retailer 12$1,969 NZD
MOH London$2,001 NZD

21 data points across 13 retailers

13 retailers$500 NZD to $2,001 NZD

A
Cheapest Retailer
-
$500 NZD
£222 GBP
B+
Retailer 2
-
$577 NZD
$325 USD
View
A
Retailer 3
-
$738 NZD
ZAR 6,724 ZAR
View
A
Retailer 4
-
$781 NZD
€419 EUR
View
A
Retailer 5
-
$781 NZD
£346 GBP
View
A
Retailer 6
-
$837 NZD
$472 USD
View
A
Retailer 7
-
$996 NZD
A$864 AUD
View
A
Retailer 8
-
$1,017 NZD
$573 USD
View
B+
Retailer 9
-
$1,470 NZD
$829 USD
View
B+
Retailer 10
-
$1,586 NZD
$894 USD
View
B+
Retailer 11
-
$1,597 NZD
$900 USD
View
B
Retailer 12
-
$1,969 NZD
$1,110 USD
View
Most Expensive
B
MOH London
LG598350180 · Nov 1
$2,001 NZD
£888 GBP
View
12 more retailers have this diamond
Prices start from $500 NZDSave up to $1,501 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
1.51ct Cushion
$500 NZD