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Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1563325145

Certificate GIA 1563325145

Diamond specifications and retailer prices

From $3,869 SGD
As of November 1, 2026
Save $5,075 SGD (57%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,944 SGD at NZ Jewellers · As of November 3, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct 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 1563325145. Listed at 16 retailers as of November 1, 2026, with prices from $3,869 to $8,944, a $5,075 spread on the same certified stone. NZ Jewellers lists it at $8,944. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563325145
Dimensions9.87 × 5.20 × 3.24 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Crystal, Feather, Indented Natural, Cloud, Needle
Top View
9.87 mm5.20 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563325145
Side View
Table 61.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.2%

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 1
Current: $8,944 SGD|Low: $3,837 SGD|High: $9,267 SGD|Avg: $5,483 SGD|-3.5%
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 3, 2026
Retailer 10$3,869 SGD
Retailer 8$3,896 SGD
Retailer 13$4,310 SGD
Retailer 11$4,471 SGD
Retailer 6$4,724 SGD
Retailer 5$4,739 SGD
Retailer 4$4,883 SGD
Retailer 2$4,999 SGD
Retailer 14$5,134 SGD
Retailer 15$5,134 SGD
Retailer 3$5,448 SGD
Retailer 7$5,923 SGD
Retailer 12$5,926 SGD
Retailer 9$8,584 SGD
NZ Jewellers$8,944 SGD

27 data points across 15 retailers

16 retailers$3,869 SGD to $8,944 SGD

A
Cheapest Retailer
-
$3,869 SGD
A
Retailer 2
-
$3,896 SGD
View
A
Retailer 3
-
$4,310 SGD
View
A
Retailer 4
-
$4,471 SGD
View
B+
Retailer 5
-
$4,724 SGD
View
B+
Retailer 6
-
$4,739 SGD
View
Final sale: no returns
Retailer 7
-
$4,883 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$4,999 SGD
View
B+
Retailer 9
-
$5,134 SGD
View
B+
Retailer 10
-
$5,134 SGD
View
B+
Retailer 11
-
$5,448 SGD
View
Retailer 12
-
$5,835 SGD
View
Price last confirmed 31 days ago
B+
Retailer 13
-
$5,923 SGD
View
B+
Retailer 14
-
$5,926 SGD
View
B
Retailer 15
-
$8,584 SGD
View
Most Expensive
B
NZ Jewellers
a3d4d52a-5845-4a2c-86ac-15a7a993e606 · Nov 3
$8,944 SGD
$6,981 USD
View
15 more retailers have this diamond
Prices start from $3,869 SGDSave up to $5,075 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
$3,869 SGD