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Marquise|Natural|GIA

1.02ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 5553978903

Certificate GIA 5553978903

Diamond specifications and retailer prices

From $3,450 SGD
As of November 4, 2026
Save $4,605 SGD (57%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $8,055 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 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 5553978903. Listed at 15 retailers as of November 3, 2026, with prices from $3,450 to $8,055, a $4,605 spread on the same certified stone. NZ Jewellers lists it at $8,055. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 5553978903
Dimensions9.65 × 5.33 × 3.44 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
9.65 mm5.33 mm1.02 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 5553978903
Side View
Table 57.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.6%

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 4
Current: $8,055 SGD|Low: $3,450 SGD|High: $8,055 SGD|Avg: $4,483 SGD|+12.1%
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
November 4, 2026
Retailer 13$3,450 SGD
Retailer 7$3,453 SGD
Retailer 11$3,557 SGD
Retailer 8$3,751 SGD
Retailer 3$3,853 SGD
Retailer 5$3,944 SGD
Retailer 9$4,001 SGD
Retailer 2$4,078 SGD
Retailer 6$4,280 SGD
Retailer 14$4,354 SGD
Retailer 12$4,402 SGD
Retailer 10$4,446 SGD
Retailer 4$6,443 SGD
NZ Jewellers$8,055 SGD

29 data points across 14 retailers

15 retailers$3,450 SGD to $8,055 SGD

A
Cheapest Retailer
-
$3,450 SGD
A
Retailer 2
-
$3,453 SGD
View
A
Retailer 3
-
$3,557 SGD
View
Final sale: no returns
A
Retailer 4
-
$3,751 SGD
View
A
Retailer 5
-
$3,853 SGD
View
A
Retailer 6
-
$3,944 SGD
View
A
Retailer 7
-
$4,001 SGD
View
A
Retailer 8
-
$4,078 SGD
View
Retailer 9
-
$4,280 SGD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$4,354 SGD
View
A
Retailer 11
-
$4,402 SGD
View
A
Retailer 12
-
$4,446 SGD
View
Retailer 13
-
$4,520 SGD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$6,443 SGD
View
Most Expensive
B
NZ Jewellers
0442ce6a-9e67-478d-b642-a336f092282d · Nov 3
$8,055 SGD
$6,287 USD
View
14 more retailers have this diamond
Prices start from $3,450 SGDSave up to $4,605 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
$3,450 SGD