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Marquise|Natural|GIA

1.02ct M SI1 Marquise Natural Diamond

ID • M/SI1 • GIA 2557647645

Certificate GIA 2557647645

Diamond specifications and retailer prices

From $1,816 SGD
As of November 4, 2026
Save $3,461 SGD (66%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,278 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.02ct natural marquise diamond

This 1.02ct natural marquise sits in the classic one-carat band, graded M colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557647645. Listed at 10 retailers as of November 4, 2026, with prices from $1,816 to $5,278, a $3,461 spread on the same certified stone. NZ Jewellers lists it at $5,278. 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

1.02
Carat
M
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557647645
Dimensions9.31 × 5.19 × 3.38 mm
L/W Ratio1.79
Top View
9.31 mm5.19 mm1.02 ctM / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557647645
Side View
Table 57.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.1%

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: $5,278 SGD|Low: $1,667 SGD|High: $5,278 SGD|Avg: $2,312 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$1,667 SGD
Retailer 7$1,816 SGD
Retailer 11$1,961 SGD
Retailer 8$2,050 SGD
Retailer 10$2,059 SGD
Retailer 6$2,069 SGD
Retailer 2$2,127 SGD
Retailer 9$2,262 SGD
Retailer 5$2,640 SGD
Retailer 4$2,938 SGD
NZ Jewellers$5,278 SGD

16 data points across 11 retailers

10 retailers$1,816 SGD to $5,278 SGD

A
Cheapest Retailer
-
$1,816 SGD
B+
Retailer 2
-
$1,961 SGD
View
B+
Retailer 3
-
$2,050 SGD
View
B+
Retailer 4
-
$2,059 SGD
View
B+
Retailer 5
-
$2,069 SGD
View
B+
Retailer 6
-
$2,127 SGD
View
B+
Retailer 7
-
$2,262 SGD
View
B
Retailer 8
-
$2,640 SGD
View
B
Retailer 9
-
$2,938 SGD
View
Most Expensive
C
NZ Jewellers
65473d1a-3815-4143-9e68-e39ad899e7f7 · Nov 5
$5,278 SGD
$4,132 USD
View
9 more retailers have this diamond
Prices start from $1,816 SGDSave up to $3,461 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
1.02ct Marquise
$1,816 SGD