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Cushion|Natural|GIA

1.50ct D SI1 Cushion Natural Diamond

EX • D/SI1 • GIA 6542936162

Certificate GIA 6542936162

Diamond specifications and retailer prices

From $7,887 SGD
HK$48,200 HKD
As of November 1, 2026
Save $6,684 SGD (46%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $14,572 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.5ct natural cushion diamond

This 1.5ct natural 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 6542936162. Listed at 18 retailers as of October 28, 2026, with prices from $7,887 to $14,572, a $6,684 spread on the same certified stone. Queensmith lists it at $14,572. 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
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6542936162
Dimensions8.16 × 5.83 × 3.82 mm
L/W Ratio1.40
Top View
8.16 mm5.83 mm1.50 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6542936162
Side View
Table 67.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 65.6%

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: $14,572 SGD|Low: $7,822 SGD|High: $14,661 SGD|Avg: $10,268 SGD|+0.7%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 2, 2026
Retailer 13$7,887 SGD
Retailer 10$8,366 SGD
Retailer 3$8,542 SGD
Retailer 7$8,977 SGD
Retailer 6$9,001 SGD
Retailer 4$9,437 SGD
Retailer 8$9,460 SGD
Retailer 15$9,460 SGD
Retailer 2$9,543 SGD
Retailer 9$9,754 SGD
Retailer 16$9,962 SGD
Retailer 5$10,615 SGD
Retailer 14$11,359 SGD
Retailer 12$12,770 SGD
Retailer 11$14,487 SGD
Queensmith$14,572 SGD

29 data points across 16 retailers

18 retailers$7,887 SGD to $14,572 SGD

A
Cheapest Retailer
-
$7,887 SGD
HK$48,200 HKD
A
Retailer 2
-
$8,366 SGD
₹623,231 INR
View
B+
Retailer 3
-
$8,542 SGD
$6,682 USD
View
B+
Retailer 4
-
$8,977 SGD
$7,022 USD
View
Retailer 5
-
$9,001 SGD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$9,437 SGD
View
B+
Retailer 7
-
$9,460 SGD
$7,400 USD
View
B+
Retailer 8
-
$9,460 SGD
$7,400 USD
View
B+
Retailer 9
-
$9,543 SGD
$7,465 USD
View
Final sale: no returns
B+
Retailer 10
-
$9,725 SGD
$7,607 USD
View
B+
Retailer 11
-
$9,754 SGD
£6,008 GBP
View
Retailer 12
-
$9,962 SGD
A$11,989 AUD
View
Price last confirmed 11 days ago
B+
Retailer 13
-
$10,615 SGD
$8,303 USD
View
B+
Retailer 14
-
$10,984 SGD
A$13,218 AUD
View
B+
Retailer 15
-
$11,359 SGD
€8,462 EUR
View
B
Retailer 16
-
$12,770 SGD
ZAR 161,378 ZAR
View
B
Retailer 17
-
$14,487 SGD
£8,923 GBP
View
Most Expensive
B
Queensmith
6542936162 · Oct 28
$14,572 SGD
£8,975 GBP
View
17 more retailers have this diamond
Prices start from $7,887 SGDSave up to $6,684 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
$7,887 SGD