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Cushion|Natural|IGI

0.39ct I SI1 Cushion Natural Diamond

GD • I/SI1 • IGI 841683654

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI 841683654

Diamond specifications and retailer prices

From £220 GBP
$295 USD
As of November 1, 2026
Save £269 GBP (55%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £489 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.39ct natural cushion diamond

This 0.39ct natural cushion sits in the sub-half-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI 841683654. Listed at 9 retailers as of October 29, 2026, with prices from £220 to £489, a £269 spread on the same certified stone. MOH London lists it at £489. 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

0.39
Carat
I
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle32.8°
Pavilion angle37.9°
OriginNatural
Grading LabIGI
CertificateIGI 841683654
Dimensions4.40 × 4.12 × 2.58 mm
L/W Ratio1.07
Girdle conditionFaceted
Top View
4.40 mm4.12 mm0.39 ctI / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI 841683654
Side View
Table 70.0%Crown 32.8°Girdle: THK-ETKPavilion 37.9°Culet: NoneDepth 62.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £489 GBP|Low: £220 GBP|High: £507 GBP|Avg: £354 GBP|-3.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 3£220 GBP
Retailer 9£227 GBP
Retailer 5£275 GBP
Retailer 8£308 GBP
Retailer 7£326 GBP
Retailer 6£342 GBP
Retailer 4£404 GBP
Retailer 2£426 GBP
MOH London£489 GBP

11 data points across 9 retailers

9 retailers£220 GBP to £489 GBP

B+
Cheapest Retailer
-
£220 GBP
$295 USD
B+
Retailer 2
-
£227 GBP
$304 USD
View
B+
Retailer 3
-
£275 GBP
View
B+
Retailer 4
-
£308 GBP
$413 USD
View
B+
Retailer 5
-
£326 GBP
ZAR 7,078 ZAR
View
B+
Retailer 6
-
£342 GBP
$459 USD
View
B
Retailer 7
-
£404 GBP
€516 EUR
View
B
Retailer 8
-
£426 GBP
View
Most Expensive
B
MOH London
7801FB9C5 · Oct 29
£489 GBP
View
8 more retailers have this diamond
Prices start from £220 GBPSave up to £269 GBP

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.

B+
0.39ct Cushion
£220 GBP