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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 $2,037 USD
SGD 2,753 SGD
As of October 31, 2026
Save $1,602 USD (44%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $3,640 USD 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 $2,037 to $3,640, a $1,602 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,640. 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
Color
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: $2,378 USD|Low: $1,607 USD|High: $3,640 USD|Avg: $2,568 USD|+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$1,607 USD
Retailer 3$2,037 USD
Retailer 7$2,194 USD
Retailer 5$2,226 USD
Retailer 1$2,378 USD
Retailer 8$2,409 USD
Retailer 2$2,682 USD
Retailer 6$2,757 USD
Retailer 4$2,842 USD
Retailer 10$3,273 USD
Wholesale Diamonds Direct$3,640 USD

32 data points across 11 retailers

8 retailers$2,037 USD to $3,640 USD

A
Cheapest Retailer
-
$2,037 USD
SGD 2,753 SGD
A
Retailer 2
-
$2,194 USD
View
A
Retailer 3
-
$2,226 USD
View
A
Retailer 4
-
$2,378 USD
£1,872 GBP
View
A
Retailer 5
-
$2,409 USD
SGD 3,255 SGD
View
A
Retailer 6
-
$2,682 USD
View
A
Retailer 7
-
$2,757 USD
View
Most Expensive
B+
Wholesale Diamonds Direct
503047461 · Oct 27
$3,640 USD
View
7 more retailers have this diamond
Prices start from $2,037 USDSave up to $1,602 USD

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
$2,037 USD