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Cushion|Lab Grown|IGI

1.51ct G VVS2 Cushion Lab Grown Diamond

EX • G/VVS2 • IGI LG817653621

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG817653621

Diamond specifications and retailer prices

From $692 NZD
As of November 4, 2026
Save $1,224 NZD (64%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,305 NZD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817653621 or 817653621. Listed at 12 retailers as of November 4, 2026, with a 177% 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

1.51
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35°
Pavilion angle36.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817653621
Dimensions8.08 × 6.04 × 3.41 mm
L/W Ratio1.34
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.08 mm6.04 mm1.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG817653621
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 36.7°Culet: NoneDepth 67.7%

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: Nov 4
Current: $839 NZD|Low: $461 NZD|High: $2,305 NZD|Avg: $1,261 NZD|+0.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 31, 2026
Retailer 3$461 NZD
Retailer 12$587 NZD
Retailer 4$692 NZD
Retailer 1$839 NZD
Retailer 10$866 NZD
Retailer 6$931 NZD
Retailer 8$962 NZD
Retailer 5$1,268 NZD
Retailer 2$1,632 NZD
Retailer 7$1,813 NZD
Retailer 11$1,916 NZD
Retailer 9$2,058 NZD
Reve Diamonds$2,305 NZD

38 data points across 13 retailers

12 retailers$692 NZD to $1,916 NZD

B+
Cheapest Retailer
-
$692 NZD
A
Retailer 2
-
$839 NZD
View
Retailer 3
-
$866 NZD
View
Price last confirmed 13 days ago
A
Retailer 4
-
$931 NZD
View
Retailer 5
-
$962 NZD
View
Price last confirmed 9 days ago
B+
Retailer 6
-
$1,268 NZD
View
Retailer 7
-
$1,632 NZD
View
Price last confirmed 15 days ago
Retailer 8
-
$1,740 NZD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$1,813 NZD
View
B+
Retailer 10
-
$1,916 NZD
View
Retailer 11
-
$2,058 NZD
View
Price last confirmed 10 days ago
Most Expensive
Reve Diamonds
29CA938C5 · Oct 25
$2,305 NZD
$1,299 USD
View
Price last confirmed 10 days ago
11 more retailers have this diamond
Prices start from $692 NZDSave up to $1,224 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
$692 NZD