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Marquise|Natural|GIA

1.02ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 7558338946

Certificate GIA 7558338946

Diamond specifications and retailer prices

From $3,083 SGD
As of November 5, 2026
Save $2,641 SGD (46%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,725 SGD at Helzberg Diamonds · As of November 6, 2026
View at Helzberg Diamonds

About this 1.02ct natural marquise diamond

This 1.02ct 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 7558338946. Listed at 12 retailers as of November 5, 2026, with prices from $3,083 to $5,725, a $2,641 spread on the same certified stone. Helzberg Diamonds lists it at $5,725. 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
D
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.95°
Pavilion angle39.36°
OriginNatural
Grading LabGIA
CertificateGIA 7558338946
Dimensions9.98 × 5.25 × 3.26 mm
L/W Ratio1.90
Culet sizeNone
Top View
9.98 mm5.25 mm1.02 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7558338946
Side View
Table 58.0%Crown 39.95°Girdle: THN-THKPavilion 39.36°Culet: NoneDepth 62.1%

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 5
Current: $5,725 SGD|Low: $3,067 SGD|High: $5,961 SGD|Avg: $4,028 SGD|-4.0%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$3,083 SGD
Retailer 6$3,237 SGD
Retailer 8$3,274 SGD
Retailer 7$3,330 SGD
Retailer 4$3,539 SGD
Retailer 11$3,625 SGD
Retailer 9$3,903 SGD
Retailer 10$4,048 SGD
Retailer 2$4,270 SGD
Retailer 3$5,444 SGD
Helzberg Diamonds$5,725 SGD

44 data points across 11 retailers

12 retailers$3,083 SGD to $5,725 SGD

A
Cheapest Retailer
-
$3,083 SGD
A
Retailer 2
-
$3,237 SGD
View
A
Retailer 3
-
$3,274 SGD
View
A
Retailer 4
-
$3,330 SGD
View
A
Retailer 5
-
$3,539 SGD
View
A
Retailer 6
-
$3,625 SGD
View
A
Retailer 7
-
$3,903 SGD
View
A
Retailer 8
-
$4,048 SGD
View
A
Retailer 9
-
$4,100 SGD
View
A
Retailer 10
-
$4,270 SGD
View
B+
Retailer 11
-
$5,444 SGD
View
Most Expensive
B
Helzberg Diamonds
XZRNLLOJJOPKM · Nov 6
$5,725 SGD
$4,482 USD
View
11 more retailers have this diamond
Prices start from $3,083 SGDSave up to $2,641 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
$3,083 SGD