Marquise|Natural|GIA

1.50ct G SI2 Marquise Natural Diamond

EX • G/SI2 • GIA 2557644890

Certificate GIA 2557644890

Diamond specifications and retailer prices

From $8,286 SGD
As of November 6, 2026
Save $2,134 SGD (20%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $10,420 SGD at GemTrove · As of November 7, 2026
View at GemTrove

About this 1.5ct natural marquise diamond

This 1.5ct natural marquise sits in the one-and-a-half to two carat band, graded G 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 2557644890. Listed at 6 retailers as of November 6, 2026, with prices from $8,286 to $10,420, a $2,134 spread on the same certified stone. GemTrove lists it at $10,420. 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
G
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557644890
Dimensions11.11 × 5.86 × 3.77 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural
Top View
11.11 mm5.86 mm1.50 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557644890
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.3%

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: $8,286 SGD|Low: $7,923 SGD|High: $9,782 SGD|Avg: $8,923 SGD|-1.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 1$8,286 SGD
Retailer 3$8,648 SGD
Retailer 4$8,998 SGD
Retailer 2$9,175 SGD
Retailer 5$9,363 SGD

45 data points across 5 retailers

6 retailers$8,286 SGD to $10,420 SGD

A
Cheapest Retailer
-
$8,286 SGD
A
Retailer 2
-
$8,648 SGD
View
A
Retailer 3
-
$8,998 SGD
View
A
Retailer 4
-
$9,175 SGD
View
B+
Retailer 5
-
$9,363 SGD
View
Final sale: no returns
Most Expensive
B+
GemTrove
GT-N-01274160-98 · Nov 7
$10,420 SGD
A$12,508 AUD
View
5 more retailers have this diamond
Prices start from $8,286 SGDSave up to $2,134 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 Marquise
$8,286 SGD