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Round|Natural|GIA

1.50ct J SI2 Round Natural Diamond

EX • J/SI2 • GIA 1557087118

Certificate GIA 1557087118

Diamond specifications and retailer prices

From $3,142 SGD
As of November 6, 2026
Save $1,183 SGD (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,325 SGD at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.5ct natural round diamond

This 1.5ct natural round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1557087118. Listed at 5 retailers as of November 6, 2026, with prices from $3,142 to $4,325, a $1,183 spread on the same certified stone. Michael Trio lists it at $4,325. 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

1.50
Carat
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1557087118
Dimensions7.23 × 7.29 × 4.59 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cavity
Top View
7.23 mm7.29 mm1.50 ctJ / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1557087118
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.3%

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 6
Current: $4,325 SGD|Low: $3,142 SGD|High: $4,325 SGD|Avg: $3,662 SGD|+2.2%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$3,142 SGD
Retailer 4$3,707 SGD
Retailer 3$3,938 SGD
Michael Trio$4,325 SGD

46 data points across 4 retailers

5 retailers$3,142 SGD to $4,325 SGD

A
Cheapest Retailer
-
$3,142 SGD
A
Retailer 2
-
$3,707 SGD
View
B+
Retailer 3
-
$3,938 SGD
View
B+
Retailer 4
-
$4,031 SGD
View
Most Expensive
B+
Michael Trio
2480260689 · Nov 6
$4,325 SGD
View
4 more retailers have this diamond
Prices start from $3,142 SGDSave up to $1,183 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
1.50ct Round
$3,142 SGD