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Cushion|Natural|GIA

1.50ct H SI1 Cushion Natural Diamond

EX • H/SI1 • GIA 5212917870

Certificate GIA 5212917870

Diamond specifications and retailer prices

From $5,467 SGD
$4,275 USD
As of November 2, 2026
Save $6,043 SGD (53%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $11,511 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct natural cushion diamond

This 1.5ct natural 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 5212917870. Listed at 24 retailers as of November 1, 2026, with prices from $5,467 to $11,511, a $6,043 spread on the same certified stone. MOH London lists it at $11,511. 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
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5212917870
Dimensions6.22 × 6.14 × 4.53 mm
L/W Ratio1.01
Top View
6.22 mm6.14 mm1.50 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 5212917870
Side View
Table 63.0%CrownGirdle: ThickPavilionCulet: NoneDepth 73.8%

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 2
Current: $11,511 SGD|Low: $5,756 SGD|High: $11,649 SGD|Avg: $7,470 SGD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 8$5,756 SGD
Retailer 6$5,793 SGD
Retailer 9$6,547 SGD
Retailer 2$6,809 SGD
Retailer 4$7,050 SGD
Retailer 7$7,266 SGD
Retailer 3$8,177 SGD
Retailer 5$8,883 SGD
MOH London$11,511 SGD

35 data points across 9 retailers

24 retailers$5,467 SGD to $11,511 SGD

A
Cheapest Retailer
-
$5,467 SGD
$4,275 USD
A
Retailer 2
-
$5,646 SGD
$4,415 USD
View
A
Retailer 3
-
$5,709 SGD
$4,464 USD
View
B+
Retailer 4
-
$5,756 SGD
$4,501 USD
View
Final sale: no returns
B+
Retailer 5
-
$5,780 SGD
$4,520 USD
View
B+
Retailer 6
-
$5,793 SGD
$4,530 USD
View
B+
Retailer 7
-
$6,139 SGD
CA$6,667 CAD
View
B+
Retailer 8
-
$6,149 SGD
$4,808 USD
View
B+
Retailer 9
-
$6,152 SGD
$4,810 USD
View
B+
Retailer 10
-
$6,547 SGD
$5,119 USD
View
B+
Retailer 11
-
$6,809 SGD
£4,192 GBP
View
B+
Retailer 12
-
$6,879 SGD
$5,379 USD
View
B+
Retailer 13
-
$6,898 SGD
$5,394 USD
View
B+
Retailer 14
-
$7,050 SGD
£4,341 GBP
View
Retailer 15
-
$7,266 SGD
A$8,740 AUD
View
Price last confirmed 16 days ago
B+
Retailer 16
-
$7,328 SGD
$5,730 USD
View
B+
Retailer 17
-
$7,328 SGD
$5,730 USD
View
B
Retailer 18
-
$7,571 SGD
$5,920 USD
View
Retailer 19
-
$7,973 SGD
$6,234 USD
View
Price last confirmed 10 days ago
B+
Retailer 20
-
$8,177 SGD
€6,089 EUR
View
B
Retailer 21
-
$8,326 SGD
$6,510 USD
View
B
Retailer 22
-
$8,883 SGD
ZAR 112,213 ZAR
View
B
Retailer 23
-
$10,467 SGD
$8,184 USD
View
Most Expensive
B
MOH London
8641C0CA0 · Nov 1
$11,511 SGD
£7,087 GBP
View
23 more retailers have this diamond
Prices start from $5,467 SGDSave up to $6,043 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
$5,467 SGD