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Cushion|Natural|IGI

1.21ct H SI1 Cushion Natural Diamond

VG • H/SI1 • IGI 803629203

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 803629203

Diamond specifications and retailer prices

From $2,673 NZD
As of November 6, 2026
Save $2,490 NZD (48%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $5,164 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural cushion diamond

This 1.21ct natural cushion sits in the classic one-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI 803629203. Listed at 12 retailers as of November 4, 2026, with prices from $2,673 to $5,164, a $2,490 spread on the same certified stone. MOH London lists it at $5,164. 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
H
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.8°
OriginNatural
Grading LabIGI
CertificateIGI 803629203
Dimensions7.24 × 5.56 × 3.78 mm
L/W Ratio1.30
Girdle conditionFaceted
Top View
7.24 mm5.56 mm1.21 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 803629203
Side View
Table 63.0%Crown 34.2°Girdle: THN-THKPavilion 36.8°Culet: NoneDepth 68.0%

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 6
Current: $5,164 NZD|Low: $2,576 NZD|High: $5,400 NZD|Avg: $3,495 NZD|-3.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 4$2,673 NZD
Retailer 5$2,686 NZD
Retailer 9$2,742 NZD
Retailer 10$3,018 NZD
Retailer 3$3,045 NZD
Retailer 11$3,092 NZD
Retailer 7$3,142 NZD
Retailer 2$3,269 NZD
Retailer 8$3,606 NZD
Retailer 6$3,675 NZD
MOH London$5,164 NZD

44 data points across 11 retailers

12 retailers$2,673 NZD to $5,164 NZD

A
Cheapest Retailer
-
$2,673 NZD
Final sale: no returns
A
Retailer 2
-
$2,686 NZD
View
A
Retailer 3
-
$2,742 NZD
View
A
Retailer 4
-
$3,018 NZD
View
Retailer 5
-
$3,045 NZD
View
Price last confirmed 22 days ago
B+
Retailer 6
-
$3,092 NZD
View
B+
Retailer 7
-
$3,092 NZD
View
A
Retailer 8
-
$3,142 NZD
View
A
Retailer 9
-
$3,269 NZD
View
A
Retailer 10
-
$3,606 NZD
View
A
Retailer 11
-
$3,675 NZD
View
Most Expensive
B
MOH London
0CDBA82A1 · Nov 4
$5,164 NZD
£2,254 GBP
View
11 more retailers have this diamond
Prices start from $2,673 NZDSave up to $2,490 NZD

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 Cushion
$2,673 NZD