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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 $1,351 USD
As of November 5, 2026
Save $1,202 USD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,553 USD at Wholesale Diamonds Direct · As of November 4, 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 4, 2026, with prices from $1,351 to $2,553, a $1,202 spread on the same certified stone. Wholesale Diamonds Direct lists it at $2,553. 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
Color
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

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 5
Current: $1,351 USD|Low: $1,227 USD|High: $2,754 USD|Avg: $1,972 USD|-2.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Wholesale Diamonds Direct
November 5, 2026
Retailer 6$1,227 USD
Retailer 1$1,351 USD
Retailer 3$1,560 USD
Retailer 5$1,567 USD
Retailer 2$1,750 USD
Retailer 4$2,050 USD
Retailer 9$2,090 USD
Wholesale Diamonds Direct$2,553 USD
Retailer 8$2,558 USD
Retailer 7$2,562 USD

19 data points across 10 retailers

7 retailers$1,351 USD to $2,553 USD

A
Cheapest Retailer
-
$1,351 USD
A
Retailer 2
-
$1,560 USD
View
A
Retailer 3
-
$1,567 USD
View
A
Retailer 4
-
$1,750 USD
View
A
Retailer 5
-
$2,050 USD
View
A
Retailer 6
-
$2,090 USD
View
Most Expensive
A
Wholesale Diamonds Direct
444917127 · Nov 4
$2,553 USD
View
6 more retailers have this diamond
Prices start from $1,351 USDSave up to $1,202 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
$1,351 USD