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Marquise|Natural|GIA

1.02ct I SI2 Marquise Natural Diamond

EX • I/SI2 • GIA 2557725957

Certificate GIA 2557725957

Diamond specifications and retailer prices

From $3,332 SGD
As of November 3, 2026
Save $3,467 SGD (51%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,799 SGD at NZ Jewellers · As of November 3, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557725957. Listed at 13 retailers as of November 3, 2026, with prices from $3,332 to $6,799, a $3,467 spread on the same certified stone. NZ Jewellers lists it at $6,799. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557725957
Dimensions12.31 × 4.57 × 2.92 mm
L/W Ratio2.69
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Pinpoint
Top View
12.31 mm4.57 mm1.02 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2557725957
Side View
Table 56.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.8%

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 3
Current: $6,799 SGD|Low: $3,332 SGD|High: $6,799 SGD|Avg: $4,659 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 4, 2026
Retailer 7$3,332 SGD
Retailer 6$3,495 SGD
Retailer 3$3,853 SGD
Retailer 9$3,903 SGD
Retailer 8$4,052 SGD
Retailer 2$4,132 SGD
Retailer 5$4,566 SGD
Retailer 4$6,525 SGD
NZ Jewellers$6,799 SGD

42 data points across 9 retailers

13 retailers$3,332 SGD to $6,799 SGD

B+
Cheapest Retailer
-
$3,332 SGD
B+
Retailer 2
-
$3,495 SGD
View
B+
Retailer 3
-
$3,853 SGD
View
B+
Retailer 4
-
$3,903 SGD
View
B+
Retailer 5
-
$3,903 SGD
View
Retailer 6
-
$4,045 SGD
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$4,052 SGD
View
B+
Retailer 8
-
$4,084 SGD
View
B+
Retailer 9
-
$4,132 SGD
View
B
Retailer 10
-
$4,503 SGD
View
B
Retailer 11
-
$4,566 SGD
View
B
Retailer 12
-
$6,525 SGD
View
Most Expensive
B
NZ Jewellers
cb1bb62b-f380-48ba-af2d-6855c1611029 · Nov 3
$6,799 SGD
$5,307 USD
View
12 more retailers have this diamond
Prices start from $3,332 SGDSave up to $3,467 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+
1.02ct Marquise
$3,332 SGD