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Marquise|Natural|GIA

1.20ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 2547694625

Certificate GIA 2547694625

Diamond specifications and retailer prices

From $5,883 SGD
As of November 6, 2026
Save $5,064 SGD (46%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $10,946 SGD at NZ Jewellers · As of November 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2547694625. Listed at 8 retailers as of November 3, 2026, with prices from $5,883 to $10,946, a $5,064 spread on the same certified stone. NZ Jewellers lists it at $10,946. 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
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle44°
Pavilion angle36.95°
OriginNatural
Grading LabGIA
CertificateGIA 2547694625
Dimensions9.79 × 5.51 × 3.46 mm
L/W Ratio1.78
Top View
9.79 mm5.51 mm1.20 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 2547694625
Side View
Table 60.0%Crown 44°Girdle: Very ThickPavilion 36.95°Culet: NoneDepth 62.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $10,946 SGD|Low: $5,883 SGD|High: $11,146 SGD|Avg: $7,559 SGD|-1.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 6$5,883 SGD
Retailer 7$6,152 SGD
Retailer 5$6,384 SGD
Retailer 8$6,545 SGD
Retailer 10$6,545 SGD
Retailer 9$6,707 SGD
Retailer 11$7,344 SGD
Retailer 12$7,414 SGD
Retailer 3$7,741 SGD
Retailer 4$8,069 SGD
Retailer 2$10,425 SGD
NZ Jewellers$10,946 SGD

19 data points across 12 retailers

8 retailers$5,883 SGD to $10,946 SGD

A
Cheapest Retailer
-
$5,883 SGD
B+
Retailer 2
-
$6,152 SGD
View
B+
Retailer 3
-
$6,384 SGD
View
B+
Retailer 4
-
$6,545 SGD
View
B+
Retailer 5
-
$6,545 SGD
View
B+
Retailer 6
-
$6,707 SGD
View
B
Retailer 7
-
$10,425 SGD
View
Most Expensive
B
NZ Jewellers
ae720140-436c-4d2a-b04d-006ac9ae1218 · Nov 3
$10,946 SGD
$8,541 USD
View
7 more retailers have this diamond
Prices start from $5,883 SGDSave up to $5,064 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
1.20ct Marquise
$5,883 SGD