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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 2557870993

Certificate GIA 2557870993

Diamond specifications and retailer prices

From $3,671 SGD
As of November 4, 2026
Save $4,655 SGD (56%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $8,325 SGD at NZ Jewellers · As of November 5, 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2557870993. Listed at 20 retailers as of November 4, 2026, with prices from $3,671 to $8,325, a $4,655 spread on the same certified stone. NZ Jewellers lists it at $8,325. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2557870993
Dimensions10.40 × 5.24 × 3.24 mm
L/W Ratio1.98
Girdle conditionFaceted
Culet sizeNone
Top View
10.40 mm5.24 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2557870993
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 61.9%

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: $8,325 SGD|Low: $3,796 SGD|High: $8,325 SGD|Avg: $5,541 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$3,796 SGD
Retailer 11$4,329 SGD
Retailer 10$4,496 SGD
Retailer 9$4,706 SGD
Retailer 2$4,915 SGD
Retailer 3$4,996 SGD
Retailer 7$5,117 SGD
Retailer 6$5,593 SGD
Retailer 4$5,833 SGD
Retailer 5$7,970 SGD
NZ Jewellers$8,325 SGD

45 data points across 11 retailers

20 retailers$3,671 SGD to $8,325 SGD

B+
Cheapest Retailer
-
$3,671 SGD
B+
Retailer 2
-
$3,796 SGD
View
Final sale: no returns
B+
Retailer 3
-
$3,828 SGD
View
B+
Retailer 4
-
$4,329 SGD
View
B
Retailer 5
-
$4,427 SGD
View
B
Retailer 6
-
$4,496 SGD
View
B+
Retailer 7
-
$4,706 SGD
View
B+
Retailer 8
-
$4,706 SGD
View
B
Retailer 9
-
$4,909 SGD
View
B
Retailer 10
-
$4,909 SGD
View
B+
Retailer 11
-
$4,915 SGD
View
B
Retailer 12
-
$4,996 SGD
View
B
Retailer 13
-
$5,075 SGD
View
Retailer 14
-
$5,117 SGD
View
Price last confirmed 30 days ago
Retailer 15
-
$5,412 SGD
View
Price last confirmed 15 days ago
B
Retailer 16
-
$5,593 SGD
View
B
Retailer 17
-
$5,616 SGD
View
B
Retailer 18
-
$5,833 SGD
View
B
Retailer 19
-
$7,970 SGD
View
Most Expensive
B
NZ Jewellers
54a6be71-36ed-481b-a989-ae3cde50d2ea · Nov 5
$8,325 SGD
$6,496 USD
View
19 more retailers have this diamond
Prices start from $3,671 SGDSave up to $4,655 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
$3,671 SGD