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Marquise|Natural|GIA

1.20ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 3555523261

Certificate GIA 3555523261

Diamond specifications and retailer prices

From $5,653 SGD
As of November 4, 2026
Save $7,021 SGD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $12,674 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555523261. Listed at 15 retailers as of November 4, 2026, with prices from $5,653 to $12,674, a $7,021 spread on the same certified stone. NZ Jewellers lists it at $12,674. 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

1.20
Carat
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555523261
Dimensions10.56 × 5.52 × 3.26 mm
L/W Ratio1.91
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Needle
Top View
10.56 mm5.52 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555523261
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $12,674 SGD|Low: $5,653 SGD|High: $12,674 SGD|Avg: $7,927 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 7$5,653 SGD
Retailer 6$6,312 SGD
Retailer 11$6,500 SGD
Retailer 13$6,801 SGD
Retailer 10$7,054 SGD
Retailer 14$7,264 SGD
Retailer 8$7,390 SGD
Retailer 15$7,558 SGD
Retailer 4$7,754 SGD
Retailer 12$7,754 SGD
Retailer 5$8,010 SGD
Retailer 2$8,133 SGD
Retailer 3$11,083 SGD
Retailer 9$11,163 SGD
NZ Jewellers$12,674 SGD

39 data points across 15 retailers

15 retailers$5,653 SGD to $12,674 SGD

B+
Cheapest Retailer
-
$5,653 SGD
B+
Retailer 2
-
$6,312 SGD
View
B+
Retailer 3
-
$6,500 SGD
View
B+
Retailer 4
-
$6,801 SGD
View
B+
Retailer 5
-
$7,054 SGD
View
B+
Retailer 6
-
$7,264 SGD
View
B+
Retailer 7
-
$7,390 SGD
View
B+
Retailer 8
-
$7,558 SGD
View
B
Retailer 9
-
$7,754 SGD
View
B
Retailer 10
-
$7,754 SGD
View
B
Retailer 11
-
$8,010 SGD
View
B+
Retailer 12
-
$8,133 SGD
View
B
Retailer 13
-
$11,083 SGD
View
B
Retailer 14
-
$11,163 SGD
View
Most Expensive
B
NZ Jewellers
5961da29-4e15-43e6-88ac-18a176dc5907 · Nov 5
$12,674 SGD
$9,889 USD
View
14 more retailers have this diamond
Prices start from $5,653 SGDSave up to $7,021 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.

B+
1.20ct Marquise
$5,653 SGD