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Marquise|Natural|GIA

1.02ct G SI1 Marquise Natural Diamond

ID • G/SI1 • GIA 2557562150

Certificate GIA 2557562150

Diamond specifications and retailer prices

From $3,794 SGD
$2,967 USD
As of November 1, 2026
Save $4,779 SGD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,574 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 G 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 2557562150. Listed at 16 retailers as of November 1, 2026, with prices from $3,794 to $8,574, a $4,779 spread on the same certified stone. NZ Jewellers lists it at $8,574. 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
G
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2557562150
Dimensions10.16 × 5.20 × 3.29 mm
L/W Ratio1.95
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.16 mm5.20 mm1.02 ctG / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557562150
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 63.4%

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 1
Current: $8,574 SGD|Low: $3,718 SGD|High: $8,574 SGD|Avg: $5,245 SGD|+1.0%
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
Retailer 16
Retailer 17
November 3, 2026
Retailer 17$3,718 SGD
Retailer 6$3,794 SGD
Retailer 16$3,894 SGD
Retailer 12$4,458 SGD
Retailer 8$4,495 SGD
Retailer 5$4,502 SGD
Retailer 7$4,591 SGD
Retailer 2$4,630 SGD
Retailer 10$4,800 SGD
Retailer 4$4,818 SGD
Retailer 9$4,981 SGD
Retailer 15$5,145 SGD
Retailer 3$5,620 SGD
Retailer 11$5,761 SGD
Retailer 14$6,049 SGD
Retailer 13$8,230 SGD
NZ Jewellers$8,574 SGD

42 data points across 17 retailers

16 retailers$3,794 SGD to $8,574 SGD

Retailer 1
-
$3,718 SGD
$2,907 USD
Price last confirmed 7 days ago
A
Retailer 2
-
$3,794 SGD
$2,967 USD
View
Retailer 3
-
$3,894 SGD
$3,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$4,458 SGD
$3,486 USD
View
Retailer 5
-
$4,502 SGD
$3,520 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$4,591 SGD
$3,590 USD
View
B+
Retailer 7
-
$4,630 SGD
$3,620 USD
View
B+
Retailer 8
-
$4,800 SGD
£2,956 GBP
View
Retailer 9
-
$4,818 SGD
$3,767 USD
View
Price last confirmed 17 days ago
Retailer 10
-
$5,095 SGD
$3,984 USD
View
Price last confirmed 35 days ago
B+
Retailer 11
-
$5,145 SGD
$4,023 USD
View
Retailer 12
-
$5,620 SGD
£3,460 GBP
View
Price last confirmed 13 days ago
B+
Retailer 13
-
$5,761 SGD
€4,290 EUR
View
B
Retailer 14
-
$6,049 SGD
ZAR 76,416 ZAR
View
B
Retailer 15
-
$8,230 SGD
£5,067 GBP
View
Most Expensive
B
NZ Jewellers
bfacd1fe-86c4-4c8b-9cfb-6b33e6f44aef · Nov 3
$8,574 SGD
$6,704 USD
View
15 more retailers have this diamond
Prices start from $3,794 SGDSave up to $4,779 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
$3,794 SGD