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Marquise|Natural|GIA

1.00ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1553229329

Certificate GIA 1553229329

Diamond specifications and retailer prices

From $4,598 SGD
As of November 4, 2026
Save $5,452 SGD (54%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $10,050 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 1553229329. Listed at 23 retailers as of November 3, 2026, with prices from $4,598 to $10,050, a $5,452 spread on the same certified stone. NZ Jewellers lists it at $10,050. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1553229329
Dimensions10.01 × 5.22 × 3.28 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Crystal, Needle
Top View
10.01 mm5.22 mm1.00 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1553229329
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.8%

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: $10,050 SGD|Low: $4,715 SGD|High: $10,050 SGD|Avg: $6,211 SGD
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
November 4, 2026
Retailer 14$4,715 SGD
Retailer 7$4,908 SGD
Retailer 13$5,226 SGD
Retailer 15$5,226 SGD
Retailer 16$5,226 SGD
Retailer 4$5,280 SGD
Retailer 10$5,626 SGD
Retailer 5$5,685 SGD
Retailer 2$5,844 SGD
Retailer 8$5,845 SGD
Retailer 3$6,029 SGD
Retailer 6$6,091 SGD
Retailer 9$6,502 SGD
Retailer 11$7,090 SGD
Retailer 12$9,236 SGD
NZ Jewellers$10,050 SGD

36 data points across 16 retailers

23 retailers$4,598 SGD to $10,050 SGD

A
Cheapest Retailer
-
$4,598 SGD
B+
Retailer 2
-
$4,667 SGD
View
A
Retailer 3
-
$4,715 SGD
View
B+
Retailer 4
-
$4,908 SGD
View
B+
Retailer 5
-
$4,977 SGD
View
B+
Retailer 6
-
$5,208 SGD
View
B+
Retailer 7
-
$5,226 SGD
View
B+
Retailer 8
-
$5,226 SGD
View
B+
Retailer 9
-
$5,226 SGD
View
Retailer 10
-
$5,226 SGD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$5,280 SGD
View
B+
Retailer 12
-
$5,626 SGD
View
B+
Retailer 13
-
$5,685 SGD
View
B+
Retailer 14
-
$5,844 SGD
View
Retailer 15
-
$5,845 SGD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$6,029 SGD
View
B+
Retailer 17
-
$6,049 SGD
View
B+
Retailer 18
-
$6,091 SGD
View
B+
Retailer 19
-
$6,502 SGD
View
Retailer 20
-
$6,524 SGD
View
Price last confirmed 22 days ago
B
Retailer 21
-
$7,090 SGD
View
B
Retailer 22
-
$9,236 SGD
View
Most Expensive
B
NZ Jewellers
a1bf38c8-41f3-48dd-a297-cb19d7fd7aa8 · Nov 3
$10,050 SGD
$7,844 USD
View
22 more retailers have this diamond
Prices start from $4,598 SGDSave up to $5,452 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
$4,598 SGD