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Marquise|Natural|GIA

1.00ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 1545912093

Certificate GIA 1545912093

Diamond specifications and retailer prices

From $3,615 NZD
SGD 2,753 SGD
As of October 31, 2026
Save $2,843 NZD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $6,458 NZD at Wholesale Diamonds Direct · As of October 27, 2026
View at Wholesale Diamonds Direct

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 1545912093. Listed at 8 retailers as of October 27, 2026, with prices from $3,615 to $6,458, a $2,843 spread on the same certified stone. Wholesale Diamonds Direct lists it at $6,458. 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
SymmetryExcellent
FluorescenceFaint
Crown angle39.73°
Pavilion angle40.69°
OriginNatural
Grading LabGIA
CertificateGIA 1545912093
Dimensions9.79 × 5.17 × 3.30 mm
L/W Ratio1.89
Culet sizeNone
Top View
9.79 mm5.17 mm1.00 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545912093
Side View
Table 59.0%Crown 39.73°Girdle: MED-THKPavilion 40.69°Culet: NoneDepth 63.8%

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: Oct 31
Current: $4,219 NZD|Low: $2,851 NZD|High: $6,458 NZD|Avg: $4,557 NZD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 28, 2026
Retailer 9$2,851 NZD
Retailer 3$3,615 NZD
Retailer 7$3,893 NZD
Retailer 5$3,950 NZD
Retailer 1$4,219 NZD
Retailer 8$4,274 NZD
Retailer 2$4,759 NZD
Retailer 6$4,892 NZD
Retailer 4$5,043 NZD
Retailer 10$5,807 NZD
Wholesale Diamonds Direct$6,458 NZD

32 data points across 11 retailers

8 retailers$3,615 NZD to $6,458 NZD

A
Cheapest Retailer
-
$3,615 NZD
SGD 2,753 SGD
A
Retailer 2
-
$3,893 NZD
$2,194 USD
View
Retailer 3
-
$3,950 NZD
$2,226 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$4,219 NZD
£1,872 GBP
View
A
Retailer 5
-
$4,274 NZD
SGD 3,255 SGD
View
A
Retailer 6
-
$4,759 NZD
$2,682 USD
View
A
Retailer 7
-
$4,892 NZD
$2,757 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
503047461 · Oct 27
$6,458 NZD
$3,640 USD
View
7 more retailers have this diamond
Prices start from $3,615 NZDSave up to $2,843 NZD

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
$3,615 NZD