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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 6542799985

Certificate GIA 6542799985

Diamond specifications and retailer prices

From $2,489 SGD
As of November 6, 2026
Save $3,828 SGD (61%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,318 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 D 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 6542799985. Listed at 14 retailers as of November 5, 2026, with prices from $2,489 to $6,318, a $3,828 spread on the same certified stone. NZ Jewellers lists it at $6,318. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6542799985
Dimensions10.16 × 5.17 × 3.23 mm
L/W Ratio1.97
Top View
10.16 mm5.17 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceMedium
CertificateGIA 6542799985
Side View
Table 60.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $6,318 SGD|Low: $2,489 SGD|High: $6,531 SGD|Avg: $3,670 SGD|-3.3%
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 2$2,489 SGD
Retailer 10$2,730 SGD
Retailer 6$2,971 SGD
Retailer 8$3,022 SGD
Retailer 5$3,124 SGD
Retailer 12$3,161 SGD
Retailer 9$3,284 SGD
Retailer 7$3,458 SGD
Retailer 3$3,487 SGD
Retailer 13$3,670 SGD
Retailer 4$3,883 SGD
Retailer 11$5,458 SGD
NZ Jewellers$6,318 SGD

27 data points across 13 retailers

14 retailers$2,489 SGD to $6,318 SGD

A
Cheapest Retailer
-
$2,489 SGD
A
Retailer 2
-
$2,730 SGD
View
A
Retailer 3
-
$2,930 SGD
View
A
Retailer 4
-
$2,971 SGD
View
A
Retailer 5
-
$3,022 SGD
View
Retailer 6
-
$3,124 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,161 SGD
View
A
Retailer 8
-
$3,284 SGD
View
A
Retailer 9
-
$3,458 SGD
View
A
Retailer 10
-
$3,487 SGD
View
A
Retailer 11
-
$3,670 SGD
View
A
Retailer 12
-
$3,883 SGD
View
B+
Retailer 13
-
$5,458 SGD
View
Most Expensive
B
NZ Jewellers
1cd7600d-f048-4962-9514-c141bf67bb4f · Nov 5
$6,318 SGD
$4,946 USD
View
13 more retailers have this diamond
Prices start from $2,489 SGDSave up to $3,828 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
$2,489 SGD