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Marquise|Natural|GIA

1.20ct E SI2 Marquise Natural Diamond

EX • E/SI2 • GIA 2546734734

Certificate GIA 2546734734

Diamond specifications and retailer prices

From $5,695 SGD
As of November 6, 2026
Save $6,660 SGD (54%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $12,355 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 E 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 2546734734. Listed at 18 retailers as of November 5, 2026, with prices from $5,695 to $12,355, a $6,660 spread on the same certified stone. NZ Jewellers lists it at $12,355. 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
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2546734734
Dimensions11.63 × 5.26 × 3.34 mm
L/W Ratio2.21
Top View
11.63 mm5.26 mm1.20 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2546734734
Side View
Table 57.0%CrownGirdle: Very ThickPavilionCulet: NoneDepth 63.4%

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 6
Current: $12,355 SGD|Low: $5,588 SGD|High: $12,493 SGD|Avg: $7,250 SGD|-1.1%
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
Retailer 16
Retailer 17
November 6, 2026
Retailer 9$5,695 SGD
Retailer 8$5,959 SGD
Retailer 13$6,144 SGD
Retailer 14$6,177 SGD
Retailer 15$6,335 SGD
Retailer 6$6,645 SGD
Retailer 16$6,692 SGD
Retailer 7$6,767 SGD
Retailer 17$7,089 SGD
Retailer 11$7,204 SGD
Retailer 2$7,264 SGD
Retailer 4$7,366 SGD
Retailer 3$7,562 SGD
Retailer 5$7,562 SGD
Retailer 12$7,721 SGD
Retailer 10$7,804 SGD
NZ Jewellers$12,355 SGD

36 data points across 17 retailers

18 retailers$5,695 SGD to $12,355 SGD

B+
Cheapest Retailer
-
$5,695 SGD
B+
Retailer 2
-
$5,959 SGD
View
B+
Retailer 3
-
$6,144 SGD
View
B+
Retailer 4
-
$6,177 SGD
View
Final sale: no returns
B+
Retailer 5
-
$6,335 SGD
View
B
Retailer 6
-
$6,645 SGD
View
B+
Retailer 7
-
$6,692 SGD
View
B+
Retailer 8
-
$6,767 SGD
View
B+
Retailer 9
-
$7,089 SGD
View
B+
Retailer 10
-
$7,204 SGD
View
B+
Retailer 11
-
$7,264 SGD
View
B+
Retailer 12
-
$7,366 SGD
View
B
Retailer 13
-
$7,562 SGD
View
B
Retailer 14
-
$7,562 SGD
View
B
Retailer 15
-
$7,721 SGD
View
B
Retailer 16
-
$7,804 SGD
View
B
Retailer 17
-
$7,808 SGD
View
Most Expensive
B
NZ Jewellers
40d2b708-0666-4130-9e82-bc1b5dafc119 · Nov 5
$12,355 SGD
$9,673 USD
View
17 more retailers have this diamond
Prices start from $5,695 SGDSave up to $6,660 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
$5,695 SGD