CaratHunter
Plans
Cushion|Lab Grown|GIA

1.50ct H SI1 Cushion Lab Grown Diamond

ID • H/SI1 • GIA 6382754624

Certificate GIA 6382754624

Diamond specifications and retailer prices

From $570 SGD
£351 GBP
As of November 1, 2026
Save $1,171 SGD (67%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,740 SGD at MOH London · As of October 29, 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6382754624. Listed at 4 retailers as of October 29, 2026, with prices from $570 to $1,740, a $1,171 spread on the same certified stone. MOH London lists it at $1,740. 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
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6382754624
Dimensions7.23 × 6.11 × 4.10 mm
L/W Ratio1.18
Top View
7.23 mm6.11 mm1.50 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6382754624
Side View
Table 66.0%CrownGirdle: THK-THKPavilionCulet: NoneDepth 67.1%

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 1
Current: $1,740 SGD|Low: $570 SGD|High: $1,752 SGD|Avg: $1,164 SGD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2$570 SGD
Retailer 3$573 SGD
Retailer 5$1,368 SGD
Retailer 4$1,603 SGD
MOH London$1,740 SGD

28 data points across 5 retailers

4 retailers$570 SGD to $1,740 SGD

A
Cheapest Retailer
-
$570 SGD
£351 GBP
A
Retailer 2
-
$573 SGD
HK$3,500 HKD
View
B+
Retailer 3
-
$1,603 SGD
$1,254 USD
View
Most Expensive
B+
MOH London
6382754624 · Oct 29
$1,740 SGD
£1,072 GBP
View
3 more retailers have this diamond
Prices start from $570 SGDSave up to $1,171 SGD

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
$570 SGD