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Marquise|Natural|GIA

1.00ct E SI2 Marquise Natural Diamond

ID • E/SI2 • GIA 1565103744

Certificate GIA 1565103744

Diamond specifications and retailer prices

From $3,285 SGD
As of November 4, 2026
Save $4,319 SGD (57%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $7,604 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1565103744. Listed at 14 retailers as of November 4, 2026, with prices from $3,285 to $7,604, a $4,319 spread on the same certified stone. NZ Jewellers lists it at $7,604. 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

1.00
Carat
E
Colour
SI2
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1565103744
Dimensions10.05 × 5.14 × 3.14 mm
L/W Ratio1.96
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal
Top View
10.05 mm5.14 mm1.00 ctE / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1565103744
Side View
Table 59.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 61.2%

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: $7,604 SGD|Low: $3,244 SGD|High: $7,654 SGD|Avg: $4,683 SGD|-0.7%
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
November 6, 2026
Retailer 8$3,285 SGD
Retailer 6$3,299 SGD
Retailer 9$3,819 SGD
Retailer 3$4,029 SGD
Retailer 4$4,069 SGD
Retailer 2$4,292 SGD
Retailer 11$4,365 SGD
Retailer 10$4,532 SGD
Retailer 13$4,577 SGD
Retailer 12$4,665 SGD
Retailer 5$5,036 SGD
Retailer 7$7,279 SGD
NZ Jewellers$7,604 SGD

40 data points across 13 retailers

14 retailers$3,285 SGD to $7,604 SGD

A
Cheapest Retailer
-
$3,285 SGD
A
Retailer 2
-
$3,299 SGD
View
A
Retailer 3
-
$3,682 SGD
View
Retailer 4
-
$3,819 SGD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$4,029 SGD
View
Final sale: no returns
A
Retailer 6
-
$4,069 SGD
View
A
Retailer 7
-
$4,292 SGD
View
A
Retailer 8
-
$4,365 SGD
View
B+
Retailer 9
-
$4,532 SGD
View
Retailer 10
-
$4,577 SGD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$4,665 SGD
View
B+
Retailer 12
-
$5,036 SGD
View
B
Retailer 13
-
$7,279 SGD
View
Most Expensive
B
NZ Jewellers
6020ebf8-d949-4322-a350-7e4c8af508f7 · Nov 5
$7,604 SGD
$5,953 USD
View
13 more retailers have this diamond
Prices start from $3,285 SGDSave up to $4,319 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
1.00ct Marquise
$3,285 SGD