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Marquise|Natural|GIA

1.00ct D I1 Marquise Natural Diamond

D/I1 • GIA 2558795976

Certificate GIA 2558795976

Diamond specifications and retailer prices

From $2,389 SGD
HK$14,600 HKD
As of November 1, 2026
Save $4,059 SGD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,448 SGD at NZ Jewellers · As of October 30, 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 I1 clarity (included) and certified by GIA 2558795976. Listed at 8 retailers as of October 30, 2026, with prices from $2,389 to $6,448, a $4,059 spread on the same certified stone. NZ Jewellers lists it at $6,448. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.00
Carat
D
Colour
I1
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2558795976
Dimensions9.85 × 5.18 × 3.14 mm
L/W Ratio1.90
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Needle
Top View
9.85 mm5.18 mm1.00 ctD / I1
OriginNatural
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2558795976
Side View
Table 62.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 60.7%

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: $6,448 SGD|Low: $2,373 SGD|High: $6,448 SGD|Avg: $3,418 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 3$2,389 SGD
Retailer 2$2,414 SGD
Retailer 4$2,847 SGD
Retailer 8$3,060 SGD
Retailer 5$3,085 SGD
Retailer 7$3,227 SGD
Retailer 6$3,559 SGD
NZ Jewellers$6,448 SGD

45 data points across 8 retailers

8 retailers$2,389 SGD to $6,448 SGD

B+
Cheapest Retailer
-
$2,389 SGD
HK$14,600 HKD
A
Retailer 2
-
$2,414 SGD
₹179,857 INR
View
B+
Retailer 3
-
$2,847 SGD
$2,227 USD
View
Final sale: no returns
B+
Retailer 4
-
$3,060 SGD
$2,394 USD
View
B+
Retailer 5
-
$3,085 SGD
$2,413 USD
View
B+
Retailer 6
-
$3,227 SGD
$2,524 USD
View
B+
Retailer 7
-
$3,559 SGD
$2,784 USD
View
Most Expensive
C
NZ Jewellers
f7937885-daec-446a-8ef6-636b63103c6a · Oct 30
$6,448 SGD
$5,044 USD
View
7 more retailers have this diamond
Prices start from $2,389 SGDSave up to $4,059 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
$2,389 SGD