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Cushion|Lab Grown|GIA

1.50ct D SI1 Cushion Lab Grown Diamond

EX • D/SI1 • GIA 2447867887

Certificate GIA 2447867887

Diamond specifications and retailer prices

From $790 NZD
$445 USD
As of October 31, 2026
Save $701 NZD (47%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,353 NZD at MOH London · As of October 25, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2447867887. Listed at 10 retailers as of October 31, 2026, with a 89% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.48°
Pavilion angle50.15°
OriginLab Grown
Grading LabGIA
CertificateGIA 2447867887
Dimensions7.13 × 6.01 × 3.97 mm
L/W Ratio1.19
Top View
7.13 mm6.01 mm1.50 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2447867887
Side View
Table 65.0%Crown 33.48°Girdle: STK-VTKPavilion 50.15°Culet: NoneDepth 66.2%

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 31
Current: $2,353 NZD|Low: $586 NZD|High: $2,476 NZD|Avg: $1,188 NZD|-3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 8$586 NZD
Retailer 4$790 NZD
Retailer 7$790 NZD
Retailer 3$930 NZD
Retailer 2$1,006 NZD
Retailer 6$1,034 NZD
Retailer 5$1,183 NZD
Retailer 9$1,490 NZD
MOH London$2,353 NZD

41 data points across 9 retailers

10 retailers$790 NZD to $1,490 NZD

Retailer 1
-
$586 NZD
$330 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$790 NZD
$445 USD
View
B+
Retailer 3
-
$790 NZD
$445 USD
View
A
Retailer 4
-
$930 NZD
€499 EUR
View
A
Retailer 5
-
$1,006 NZD
£447 GBP
View
B+
Retailer 6
-
$1,034 NZD
$583 USD
View
B+
Retailer 7
-
$1,183 NZD
$667 USD
View
B+
Retailer 8
-
$1,490 NZD
$840 USD
View
Retailer 9
-
$1,928 NZD
$1,087 USD
View
Price last confirmed 112 days ago
Most Expensive
MOH London
2447867887 · Oct 25
$2,353 NZD
£1,044 GBP
View
Price last confirmed 7 days ago
9 more retailers have this diamond
Prices start from $790 NZDSave up to $701 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
1.50ct Cushion
$790 NZD