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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 $2,460 USD
As of November 6, 2026
Save $926 USD (27%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,386 USD 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 $2,460 to $3,386, a $926 spread on the same certified stone. Michael Trio lists it at $3,386. 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
Color
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: $3,386 USD|Low: $2,460 USD|High: $3,386 USD|Avg: $2,867 USD|+2.2%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$2,460 USD
Retailer 4$2,902 USD
Retailer 3$3,083 USD
Michael Trio$3,386 USD

46 data points across 4 retailers

5 retailers$2,460 USD to $3,386 USD

A
Cheapest Retailer
-
$2,460 USD
A
Retailer 2
-
$2,902 USD
View
B+
Retailer 3
-
$3,083 USD
View
B+
Retailer 4
-
$3,156 USD
View
Most Expensive
B+
Michael Trio
2480260689 · Nov 6
$3,386 USD
SGD 4,576 SGD
View
4 more retailers have this diamond
Prices start from $2,460 USDSave up to $926 USD

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
$2,460 USD