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Cushion|Natural|GIA

1.73ct I SI2 Cushion Natural Diamond

ID • I/SI2 • GIA 1427828231

Certificate GIA 1427828231

Diamond specifications and retailer prices

From $4,081 SGD
$3,192 USD
As of November 1, 2026
Save $4,406 SGD (52%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,486 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.73ct natural cushion diamond

This 1.73ct natural cushion sits in the one-and-a-half to two carat band, graded I 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 1427828231. Listed at 14 retailers as of November 1, 2026, with prices from $4,081 to $8,486, a $4,406 spread on the same certified stone. MOH London lists it at $8,486. 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

1.73
Carat
I
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle33.5°
OriginNatural
Grading LabGIA
CertificateGIA 1427828231
Dimensions6.76 × 6.48 × 4.46 mm
L/W Ratio1.04
Key to symbols
Feather, Crystal, Cloud, Needle
Top View
6.76 mm6.48 mm1.73 ctI / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1427828231
Side View
Table 59.0%Crown 37.9°Girdle: THK-VTKPavilion 33.5°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $8,486 SGD|Low: $3,914 SGD|High: $8,686 SGD|Avg: $5,202 SGD|-2.3%
MOH London
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
November 1, 2026
Retailer 14$4,081 SGD
Retailer 13$4,243 SGD
Retailer 9$4,301 SGD
Retailer 8$4,597 SGD
Retailer 5$4,603 SGD
Retailer 10$4,749 SGD
Retailer 12$4,900 SGD
Retailer 2$4,950 SGD
Retailer 3$5,190 SGD
Retailer 11$5,190 SGD
Retailer 7$5,191 SGD
Retailer 4$5,356 SGD
Retailer 6$5,745 SGD
MOH London$8,486 SGD

43 data points across 14 retailers

14 retailers$4,081 SGD to $8,486 SGD

A
Cheapest Retailer
-
$4,081 SGD
$3,192 USD
A
Retailer 2
-
$4,243 SGD
$3,319 USD
View
Final sale: no returns
A
Retailer 3
-
$4,301 SGD
$3,364 USD
View
Retailer 4
-
$4,597 SGD
$3,596 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
$4,603 SGD
$3,600 USD
View
Retailer 6
-
$4,749 SGD
$3,715 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$4,900 SGD
$3,833 USD
View
A
Retailer 8
-
$4,950 SGD
£3,049 GBP
View
A
Retailer 9
-
$5,190 SGD
$4,060 USD
View
A
Retailer 10
-
$5,190 SGD
$4,060 USD
View
A
Retailer 11
-
$5,191 SGD
£3,197 GBP
View
A
Retailer 12
-
$5,356 SGD
$4,190 USD
View
Retailer 13
-
$5,745 SGD
$4,494 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
MOH London
DC2A5F8F0 · Nov 1
$8,486 SGD
£5,227 GBP
View
13 more retailers have this diamond
Prices start from $4,081 SGDSave up to $4,406 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
1.73ct Cushion
$4,081 SGD