Marquise|Natural|IGI

2.10ct H SI1 Marquise Natural Diamond

VG • H/SI1 • IGI 803629237

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 803629237

Diamond specifications and retailer prices

From $15,375 AUD
As of November 6, 2026
Save $11,003 AUD (42%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $26,378 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 2.1ct natural marquise diamond

This 2.1ct natural marquise sits in the two to three carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 803629237. Listed at 15 retailers as of November 5, 2026, with prices from $15,375 to $26,378, a $11,003 spread on the same certified stone. MOH London lists it at $26,378. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

2.10
Carat
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle40.6°
OriginNatural
Grading LabIGI
CertificateIGI 803629237
Dimensions12.57 × 6.55 × 4.23 mm
L/W Ratio1.92
Girdle conditionFaceted
Top View
12.57 mm6.55 mm2.10 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629237
Side View
Table 62.0%Crown 39.9°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 64.6%

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 6
Current: $26,378 AUD|Low: $15,375 AUD|High: $27,581 AUD|Avg: $20,167 AUD|-4.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5$15,375 AUD
Retailer 4$17,086 AUD
Retailer 2$17,650 AUD
Retailer 7$18,126 AUD
Retailer 9$18,382 AUD
Retailer 3$19,710 AUD
Retailer 10$19,939 AUD
Retailer 11$20,418 AUD
Retailer 6$20,440 AUD
Retailer 8$23,253 AUD
MOH London$26,378 AUD

34 data points across 11 retailers

15 retailers$15,375 AUD to $26,378 AUD

A
Cheapest Retailer
-
$15,375 AUD
A
Retailer 2
-
$17,086 AUD
View
A
Retailer 3
-
$17,650 AUD
View
Final sale: no returns
A
Retailer 4
-
$18,126 AUD
View
B+
Retailer 5
-
$18,382 AUD
View
B+
Retailer 6
-
$19,710 AUD
View
B+
Retailer 7
-
$19,939 AUD
View
B+
Retailer 8
-
$20,418 AUD
View
B+
Retailer 9
-
$20,440 AUD
View
Retailer 10
-
$20,866 AUD
View
Price last confirmed 46 days ago
Retailer 11
-
$21,669 AUD
View
Price last confirmed 46 days ago
Retailer 12
-
$21,669 AUD
View
Price last confirmed 62 days ago
Retailer 13
-
$21,669 AUD
View
Price last confirmed 53 days ago
B+
Retailer 14
-
$23,253 AUD
View
Most Expensive
B
MOH London
484AB62D0 · Nov 4
$26,378 AUD
£14,271 GBP
View
14 more retailers have this diamond
Prices start from $15,375 AUDSave up to $11,003 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
2.10ct Marquise
$15,375 AUD