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Cushion|Natural|HRD

1.58ct I SI1 Cushion Natural Diamond

EX • I/SI1 • HRD 210000074021

Certificate HRD 210000074021

Diamond specifications and retailer prices

From $3,499 SGD
$2,736 USD
As of November 1, 2026
Save $3,712 SGD (51%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,211 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.58ct natural cushion diamond

This 1.58ct 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 HRD 210000074021. Listed at 3 retailers as of November 1, 2026, with prices from $3,499 to $7,211, a $3,712 spread on the same certified stone. MOH London lists it at $7,211. 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

1.58
Carat
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabHRD
CertificateHRD 210000074021
Dimensions6.41 × 6.37 × 4.43 mm
L/W Ratio1.01
Top View
6.41 mm6.37 mm1.58 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateHRD 210000074021
Side View
Table 64.0%CrownGirdlePavilionCuletDepth 69.5%

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: $7,211 SGD|Low: $3,499 SGD|High: $7,299 SGD|Avg: $4,690 SGD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4$3,499 SGD
Retailer 3$3,559 SGD
Retailer 2$4,561 SGD
MOH London$7,211 SGD

39 data points across 4 retailers

3 retailers$3,499 SGD to $7,211 SGD

A
Cheapest Retailer
-
$3,499 SGD
$2,736 USD
B+
Retailer 2
-
$4,561 SGD
£2,808 GBP
View
Most Expensive
B+
MOH London
1A1508EE4 · Nov 2
$7,211 SGD
£4,440 GBP
View
2 more retailers have this diamond
Prices start from $3,499 SGDSave up to $3,712 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
1.58ct Cushion
$3,499 SGD