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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 $470 AUD
$330 USD
As of October 25, 2026
Save $1,418 AUD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,888 AUD 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 25, 2026, with prices from $470 to $1,888, a $1,418 spread on the same certified stone. MOH London lists it at $1,888. 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

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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: Oct 25
Current: $1,888 AUD|Low: $470 AUD|High: $1,987 AUD|Avg: $952 AUD|-3.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 8$470 AUD
Retailer 3$634 AUD
Retailer 7$634 AUD
Retailer 4$749 AUD
Retailer 2$814 AUD
Retailer 6$830 AUD
Retailer 5$950 AUD
Retailer 9$1,196 AUD
MOH London$1,888 AUD

41 data points across 9 retailers

10 retailers$470 AUD to $1,888 AUD

A
Cheapest Retailer
-
$470 AUD
$330 USD
A
Retailer 2
-
$634 AUD
$445 USD
View
B+
Retailer 3
-
$634 AUD
$445 USD
View
A
Retailer 4
-
$749 AUD
€501 EUR
View
A
Retailer 5
-
$814 AUD
£450 GBP
View
B+
Retailer 6
-
$830 AUD
$583 USD
View
B+
Retailer 7
-
$950 AUD
$667 USD
View
B+
Retailer 8
-
$1,196 AUD
$840 USD
View
Retailer 9
-
$1,547 AUD
$1,087 USD
View
Price last confirmed 110 days ago
Most Expensive
B
MOH London
2447867887 · Oct 25
$1,888 AUD
£1,044 GBP
View
9 more retailers have this diamond
Prices start from $470 AUDSave up to $1,418 AUD

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
$470 AUD