CaratHunter
Plans
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 $1,966 AUD
As of November 5, 2026
Save $1,749 AUD (47%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $3,715 AUD 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 $1,966 to $3,715, a $1,749 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,715. 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

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 5
Current: $2,234 AUD|Low: $1,786 AUD|High: $4,009 AUD|Avg: $2,866 AUD|-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$1,786 AUD
Retailer 2$1,966 AUD
Retailer 1$2,234 AUD
Retailer 4$2,270 AUD
Retailer 3$2,547 AUD
Retailer 5$2,984 AUD
Retailer 9$3,042 AUD
Wholesale Diamonds Direct$3,715 AUD
Retailer 8$3,723 AUD
Retailer 7$3,729 AUD

20 data points across 10 retailers

7 retailers$1,966 AUD to $3,715 AUD

A
Cheapest Retailer
-
$1,966 AUD
A
Retailer 2
-
$2,234 AUD
View
A
Retailer 3
-
$2,270 AUD
View
A
Retailer 4
-
$2,547 AUD
View
A
Retailer 5
-
$2,984 AUD
View
A
Retailer 6
-
$3,042 AUD
View
Most Expensive
A
Wholesale Diamonds Direct
444917127 · Nov 6
$3,715 AUD
$2,553 USD
View
6 more retailers have this diamond
Prices start from $1,966 AUDSave up to $1,749 AUD

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
$1,966 AUD