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Marquise|Natural|GIA

1.03ct H SI1 Marquise Natural Diamond

ID • H/SI1 • GIA 1559696271

Certificate GIA 1559696271

Diamond specifications and retailer prices

From $4,195 SGD
As of November 4, 2026
Save $3,697 SGD (47%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $7,891 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded H 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 1559696271. Listed at 8 retailers as of November 3, 2026, with prices from $4,195 to $7,891, a $3,697 spread on the same certified stone. NZ Jewellers lists it at $7,891. 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

1.03
Carat
H
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.28°
Pavilion angle39.09°
OriginNatural
Grading LabGIA
CertificateGIA 1559696271
Dimensions10.57 × 5.37 × 3.12 mm
L/W Ratio1.97
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Cloud, Needle
Top View
10.57 mm5.37 mm1.03 ctH / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1559696271
Side View
Table 62.0%Crown 34.28°Girdle: THK-VTKPavilion 39.09°Culet: NoneDepth 58.1%

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: $7,891 SGD|Low: $4,195 SGD|High: $7,891 SGD|Avg: $5,273 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 7$4,195 SGD
Retailer 2$4,417 SGD
Retailer 6$4,529 SGD
Retailer 4$4,637 SGD
Retailer 8$4,637 SGD
Retailer 5$4,703 SGD
Retailer 3$7,574 SGD
NZ Jewellers$7,891 SGD

13 data points across 8 retailers

8 retailers$4,195 SGD to $7,891 SGD

B+
Cheapest Retailer
-
$4,195 SGD
B+
Retailer 2
-
$4,417 SGD
View
B+
Retailer 3
-
$4,529 SGD
View
B+
Retailer 4
-
$4,637 SGD
View
B
Retailer 5
-
$4,637 SGD
View
B+
Retailer 6
-
$4,703 SGD
View
B
Retailer 7
-
$7,574 SGD
View
Most Expensive
B
NZ Jewellers
8abead3f-97db-4291-8655-981400cffd61 · Nov 3
$7,891 SGD
$6,178 USD
View
7 more retailers have this diamond
Prices start from $4,195 SGDSave up to $3,697 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+
1.03ct Marquise
$4,195 SGD