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Marquise|Natural|GIA

1.02ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6551717883

Certificate GIA 6551717883

Diamond specifications and retailer prices

From $3,380 SGD
As of November 6, 2026
Save $3,515 SGD (51%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,895 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 6551717883. Listed at 17 retailers as of November 5, 2026, with prices from $3,380 to $6,895, a $3,515 spread on the same certified stone. NZ Jewellers lists it at $6,895. 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
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551717883
Dimensions10.03 × 5.23 × 3.40 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
10.03 mm5.23 mm1.02 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6551717883
Side View
Table 59.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 65.1%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $6,895 SGD|Low: $3,348 SGD|High: $6,895 SGD|Avg: $4,346 SGD
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
November 6, 2026
Retailer 15$3,380 SGD
Retailer 12$3,545 SGD
Retailer 7$3,621 SGD
Retailer 10$3,621 SGD
Retailer 11$3,653 SGD
Retailer 2$3,838 SGD
Retailer 13$3,851 SGD
Retailer 4$3,958 SGD
Retailer 5$3,958 SGD
Retailer 8$4,090 SGD
Retailer 3$4,110 SGD
Retailer 14$4,227 SGD
Retailer 6$4,566 SGD
Retailer 9$6,599 SGD
NZ Jewellers$6,895 SGD

44 data points across 15 retailers

17 retailers$3,380 SGD to $6,895 SGD

A
Cheapest Retailer
-
$3,380 SGD
B+
Retailer 2
-
$3,545 SGD
View
B+
Retailer 3
-
$3,621 SGD
View
Retailer 4
-
$3,621 SGD
View
Price last confirmed 10 days ago
B+
Retailer 5
-
$3,653 SGD
View
Final sale: no returns
B+
Retailer 6
-
$3,838 SGD
View
B+
Retailer 7
-
$3,851 SGD
View
B+
Retailer 8
-
$3,958 SGD
View
Retailer 9
-
$3,958 SGD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$4,090 SGD
View
B+
Retailer 11
-
$4,110 SGD
View
B+
Retailer 12
-
$4,140 SGD
View
Retailer 13
-
$4,227 SGD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$4,446 SGD
View
B+
Retailer 15
-
$4,566 SGD
View
B
Retailer 16
-
$6,599 SGD
View
Most Expensive
B
NZ Jewellers
b1497215-f6c5-4702-b222-76d3b901a1cd · Nov 5
$6,895 SGD
$5,380 USD
View
16 more retailers have this diamond
Prices start from $3,380 SGDSave up to $3,515 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
$3,380 SGD