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Cushion|Natural|GIA

1.51ct H SI2 Cushion Natural Diamond

EX • H/SI2 • GIA 5563268455

Certificate GIA 5563268455

Diamond specifications and retailer prices

From $3,322 SGD
$2,599 USD
As of October 31, 2026
Save $2,879 SGD (46%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,201 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural cushion diamond

This 1.51ct natural cushion sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5563268455. Listed at 13 retailers as of October 26, 2026, with prices from $3,322 to $6,201, a $2,879 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,201. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5563268455
Dimensions7.33 × 5.87 × 4.07 mm
L/W Ratio1.25
Culet sizeNone
Top View
7.33 mm5.87 mm1.51 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5563268455
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 69.4%

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: Oct 31
Current: $3,919 SGD|Low: $3,322 SGD|High: $6,685 SGD|Avg: $4,402 SGD|-9.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Wholesale Diamonds Direct
November 2, 2026
Retailer 7$3,322 SGD
Retailer 10$3,384 SGD
Retailer 8$3,613 SGD
Retailer 6$3,643 SGD
Retailer 1$3,919 SGD
Retailer 2$4,002 SGD
Retailer 3$4,088 SGD
Retailer 11$4,285 SGD
Retailer 9$4,308 SGD
Retailer 12$4,408 SGD
Retailer 4$4,514 SGD
Retailer 5$5,185 SGD
Wholesale Diamonds Direct$6,201 SGD

29 data points across 13 retailers

13 retailers$3,322 SGD to $6,201 SGD

A
Cheapest Retailer
-
$3,322 SGD
$2,599 USD
A
Retailer 2
-
$3,384 SGD
View
A
Retailer 3
-
$3,613 SGD
$2,826 USD
View
A
Retailer 4
-
$3,643 SGD
$2,850 USD
View
A
Retailer 5
-
$3,919 SGD
£2,414 GBP
View
A
Retailer 6
-
$4,002 SGD
View
A
Retailer 7
-
$4,088 SGD
$3,198 USD
View
A
Retailer 8
-
$4,285 SGD
$3,352 USD
View
A
Retailer 9
-
$4,308 SGD
$3,370 USD
View
A
Retailer 10
-
$4,408 SGD
$3,448 USD
View
Retailer 11
-
$4,514 SGD
€3,363 EUR
View
Price last confirmed 8 days ago
A
Retailer 12
-
$5,185 SGD
$4,056 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
378293703 · Oct 26
$6,201 SGD
$4,851 USD
View
12 more retailers have this diamond
Prices start from $3,322 SGDSave up to $2,879 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
$3,322 SGD