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Cushion|Natural|GIA

1.54ct I SI1 Cushion Natural Diamond

ID • I/SI1 • GIA 1557335199

Certificate GIA 1557335199

Diamond specifications and retailer prices

From $5,651 SGD
$4,419 USD
As of November 2, 2026
Save $5,218 SGD (48%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,869 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct natural cushion diamond

This 1.54ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 1557335199. Listed at 7 retailers as of November 2, 2026, with prices from $5,651 to $10,869, a $5,218 spread on the same certified stone. MOH London lists it at $10,869. 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

1.54
Carat
I
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1557335199
Dimensions7.36 × 5.87 × 4.03 mm
L/W Ratio1.25
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
7.36 mm5.87 mm1.54 ctI / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1557335199
Side View
Table 59.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 68.6%

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 2
Current: $10,869 SGD|Low: $4,710 SGD|High: $11,048 SGD|Avg: $7,004 SGD|-1.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 8$5,526 SGD
Retailer 6$5,651 SGD
Retailer 7$6,139 SGD
Retailer 9$6,241 SGD
Retailer 2$6,475 SGD
Retailer 10$6,853 SGD
Retailer 5$7,531 SGD
Retailer 3$7,721 SGD
Retailer 4$8,388 SGD
MOH London$10,869 SGD

43 data points across 10 retailers

7 retailers$5,651 SGD to $10,869 SGD

A
Cheapest Retailer
-
$5,651 SGD
$4,419 USD
Final sale: no returns
B+
Retailer 2
-
$6,139 SGD
$4,800 USD
View
B+
Retailer 3
-
$6,475 SGD
£3,987 GBP
View
B+
Retailer 4
-
$6,778 SGD
$5,300 USD
View
B+
Retailer 5
-
$7,721 SGD
€5,750 EUR
View
B+
Retailer 6
-
$8,388 SGD
ZAR 105,961 ZAR
View
Most Expensive
B
MOH London
0E3BAF8C7 · Nov 2
$10,869 SGD
£6,692 GBP
View
6 more retailers have this diamond
Prices start from $5,651 SGDSave up to $5,218 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
1.54ct Cushion
$5,651 SGD