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Cushion|Natural|GIA

1.51ct D SI2 Cushion Natural Diamond

EX • D/SI2 • GIA 2547868500

Certificate GIA 2547868500

Diamond specifications and retailer prices

From $5,465 SGD
HK$33,400 HKD
As of November 1, 2026
Save $6,492 SGD (54%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,958 SGD at Queensmith · As of October 28, 2026
View at Queensmith

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547868500. Listed at 15 retailers as of October 28, 2026, with prices from $5,465 to $11,958, a $6,492 spread on the same certified stone. Queensmith lists it at $11,958. 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2547868500
Dimensions7.99 × 5.79 × 3.91 mm
L/W Ratio1.38
Top View
7.99 mm5.79 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2547868500
Side View
Table 66.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 67.6%

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: $11,958 SGD|Low: $5,416 SGD|High: $12,047 SGD|Avg: $7,818 SGD|+1.6%
Queensmith
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8$5,465 SGD
Retailer 2$5,837 SGD
Retailer 4$6,437 SGD
Retailer 12$6,658 SGD
Retailer 5$6,798 SGD
Retailer 7$7,038 SGD
Retailer 10$7,214 SGD
Retailer 3$7,412 SGD
Retailer 11$7,575 SGD
Retailer 9$8,164 SGD
Retailer 6$11,490 SGD
Queensmith$11,958 SGD

25 data points across 12 retailers

15 retailers$5,465 SGD to $11,958 SGD

A
Cheapest Retailer
-
$5,465 SGD
HK$33,400 HKD
A
Retailer 2
-
$5,837 SGD
₹434,828 INR
View
A
Retailer 3
-
$6,437 SGD
View
A
Retailer 4
-
$6,658 SGD
$5,208 USD
View
Final sale: no returns
A
Retailer 5
-
$6,692 SGD
$5,235 USD
View
A
Retailer 6
-
$6,798 SGD
£4,187 GBP
View
Retailer 7
-
$6,996 SGD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$7,038 SGD
£4,335 GBP
View
A
Retailer 9
-
$7,214 SGD
$5,643 USD
View
A
Retailer 10
-
$7,369 SGD
A$8,868 AUD
View
A
Retailer 11
-
$7,412 SGD
$5,798 USD
View
B+
Retailer 12
-
$7,575 SGD
$5,925 USD
View
B+
Retailer 13
-
$8,164 SGD
€6,082 EUR
View
B+
Retailer 14
-
$11,490 SGD
£7,077 GBP
View
Most Expensive
B
Queensmith
2547868500 · Oct 28
$11,958 SGD
£7,365 GBP
View
14 more retailers have this diamond
Prices start from $5,465 SGDSave up to $6,492 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
1.51ct Cushion
$5,465 SGD