Round|Natural|GIA

1.53ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1559434372

Certificate GIA 1559434372

Diamond specifications and retailer prices

From $5,446 SGD
As of November 4, 2026
Save $5,600 SGD (51%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,045 SGD at MOH London · As of November 2, 2026
View at MOH London

About this 1.53ct natural round diamond

This 1.53ct natural round 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 and certified by GIA 1559434372. Listed at 7 retailers as of November 2, 2026, with prices from $5,446 to $11,045, a $5,600 spread on the same certified stone. MOH London lists it at $11,045. 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

1.53
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1559434372
Dimensions7.34 × 7.38 × 4.50 mm
L/W Ratio1.01
Key to symbols
Cloud, Crystal, Feather, Needle
Top View
7.34 mm7.38 mm1.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559434372
Side View
Table 59.0%CrownGirdle: Slightly ThickPavilion 40.6°Culet: NoneDepth 61.2%

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 4
Current: $11,045 SGD|Low: $5,446 SGD|High: $11,651 SGD|Avg: $7,603 SGD|-5.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 5$5,446 SGD
Retailer 4$6,156 SGD
Retailer 6$6,495 SGD
Retailer 7$7,151 SGD
Retailer 2$7,587 SGD
Retailer 3$7,988 SGD
MOH London$11,045 SGD

38 data points across 7 retailers

7 retailers$5,446 SGD to $11,045 SGD

A
Cheapest Retailer
-
$5,446 SGD
A
Retailer 2
-
$6,156 SGD
View
A
Retailer 3
-
$6,495 SGD
View
Retailer 4
-
$7,151 SGD
View
Price last confirmed 22 days ago
B+
Retailer 5
-
$7,587 SGD
View
B+
Retailer 6
-
$7,988 SGD
View
Most Expensive
B
MOH London
E45123A58 · Nov 2
$11,045 SGD
£6,786 GBP
View
6 more retailers have this diamond
Prices start from $5,446 SGDSave up to $5,600 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
1.53ct Round
$5,446 SGD