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Marquise|Natural|IGI

1.21ct J SI2 Marquise Natural Diamond

VG • J/SI2 • IGI 667406295

Shape and cutting style on the report: Marquise brilliant

Certificate IGI 667406295

Diamond specifications and retailer prices

From $1,236 USD
As of November 4, 2026
Save $1,690 USD (58%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $2,926 USD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 667406295. Listed at 7 retailers as of November 4, 2026, with prices from $1,236 to $2,926, a $1,690 spread on the same certified stone. MOH London lists it at $2,926. 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

1.21
Carat
J
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle43.7°
Pavilion angle37.2°
OriginNatural
Grading LabIGI
CertificateIGI 667406295
Dimensions10.37 × 5.47 × 3.41 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizePointed
Top View
10.37 mm5.47 mm1.21 ctJ / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI 667406295
Side View
Table 58.0%Crown 43.7°Girdle: MED-STKPavilion 37.2°Culet: NoneDepth 62.3%

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 4
Current: $2,926 USD|Low: $1,143 USD|High: $2,969 USD|Avg: $1,681 USD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$1,143 USD
Retailer 7$1,236 USD
Retailer 5$1,400 USD
Retailer 6$1,560 USD
Retailer 4$1,595 USD
Retailer 2$1,668 USD
Retailer 3$1,875 USD
Retailer 9$1,895 USD
MOH London$2,926 USD

31 data points across 9 retailers

7 retailers$1,236 USD to $2,926 USD

A
Cheapest Retailer
-
$1,236 USD
B+
Retailer 2
-
$1,400 USD
View
Final sale: no returns
B+
Retailer 3
-
$1,560 USD
View
B+
Retailer 4
-
$1,595 USD
View
B+
Retailer 5
-
$1,668 USD
View
B+
Retailer 6
-
$1,875 USD
View
Most Expensive
B
MOH London
66795138C · Nov 4
$2,926 USD
£2,304 GBP
View
6 more retailers have this diamond
Prices start from $1,236 USDSave up to $1,690 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
1.21ct Marquise
$1,236 USD