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Marquise|Natural|IGI

1.00ct G SI2 Marquise Natural Diamond

EX • G/SI2 • IGI 803676878

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803676878

Diamond specifications and retailer prices

From $1,731 SGD
As of November 5, 2026
Save $1,540 SGD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,271 SGD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 803676878. Listed at 7 retailers as of November 5, 2026, with prices from $1,731 to $3,271, a $1,540 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,271. 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
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 803676878
Dimensions10.80 × 5.06 × 3.21 mm
L/W Ratio2.13
Girdle conditionFaceted
Top View
10.80 mm5.06 mm1.00 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803676878
Side View
Table 58.0%Crown 35.2°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $1,967 SGD|Low: $1,573 SGD|High: $3,530 SGD|Avg: $2,524 SGD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 6, 2026
Retailer 6$1,573 SGD
Retailer 2$1,731 SGD
Retailer 1$1,967 SGD
Retailer 4$1,999 SGD
Retailer 3$2,243 SGD
Retailer 5$2,627 SGD
Retailer 9$2,679 SGD
Wholesale Diamonds Direct$3,271 SGD
Retailer 8$3,278 SGD
Retailer 7$3,283 SGD

20 data points across 10 retailers

7 retailers$1,731 SGD to $3,271 SGD

A
Cheapest Retailer
-
$1,731 SGD
A
Retailer 2
-
$1,967 SGD
View
A
Retailer 3
-
$1,999 SGD
View
A
Retailer 4
-
$2,243 SGD
View
A
Retailer 5
-
$2,627 SGD
View
A
Retailer 6
-
$2,679 SGD
View
Most Expensive
A
Wholesale Diamonds Direct
444917127 · Nov 6
$3,271 SGD
$2,553 USD
View
6 more retailers have this diamond
Prices start from $1,731 SGDSave up to $1,540 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
$1,731 SGD