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3.37ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 522256840

Shape and cutting style on the report: Round brilliant

Certificate IGI 522256840

Diamond specifications and retailer prices

From £22,639 GBP
₹2,888,874 INR
As of October 31, 2026
Save £18,484 GBP (45%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £41,123 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.37ct natural round diamond

This 3.37ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI 522256840. Listed at 20 retailers as of October 29, 2026, with prices from £22,639 to £41,123, a £18,484 spread on the same certified stone. MOH London lists it at £41,123. 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

3.37
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 522256840
Dimensions9.49 × 9.56 × 5.95 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
9.49 mm9.56 mm3.37 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 522256840
Side View
Table 57.5%Crown 36.1°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.5%

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: Oct 31
Current: £41,123 GBP|Low: £22,581 GBP|High: £41,397 GBP|Avg: £30,195 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 2£22,639 GBP
Retailer 6£24,983 GBP
Retailer 3£26,591 GBP
Retailer 8£28,043 GBP
Retailer 7£28,910 GBP
Retailer 4£30,762 GBP
Retailer 10£31,319 GBP
Retailer 9£32,524 GBP
Retailer 5£33,772 GBP
MOH London£41,123 GBP

38 data points across 10 retailers

20 retailers£22,639 GBP to £41,123 GBP

A
Cheapest Retailer
-
£22,639 GBP
₹2,888,874 INR
Retailer 2
-
£24,983 GBP
$33,475 USD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
£26,321 GBP
$35,267 USD
View
B+
Retailer 4
-
£26,406 GBP
$35,381 USD
View
B+
Retailer 5
-
£26,500 GBP
$35,507 USD
View
Final sale: no returns
B+
Retailer 6
-
£26,591 GBP
View
Retailer 7
-
£27,282 GBP
$36,555 USD
View
Price last confirmed 47 days ago
Retailer 8
-
£27,282 GBP
$36,555 USD
View
Price last confirmed 40 days ago
B+
Retailer 9
-
£28,043 GBP
$37,575 USD
View
Retailer 10
-
£28,910 GBP
$38,736 USD
View
Price last confirmed 24 days ago
Retailer 11
-
£30,114 GBP
$40,350 USD
View
Price last confirmed 32 days ago
B
Retailer 12
-
£30,762 GBP
€39,255 EUR
View
Retailer 13
-
£31,319 GBP
$41,964 USD
View
Price last confirmed 48 days ago
Retailer 14
-
£31,319 GBP
$41,964 USD
View
Price last confirmed 39 days ago
Retailer 15
-
£31,319 GBP
$41,964 USD
View
Price last confirmed 24 days ago
Retailer 16
-
£32,524 GBP
$43,578 USD
View
Price last confirmed 47 days ago
Retailer 17
-
£32,524 GBP
$43,578 USD
View
Price last confirmed 22 days ago
Retailer 18
-
£32,524 GBP
$43,578 USD
View
Price last confirmed 40 days ago
B
Retailer 19
-
£33,772 GBP
ZAR 731,036 ZAR
View
Most Expensive
B
MOH London
4CEB0EEBE · Oct 29
£41,123 GBP
View
19 more retailers have this diamond
Prices start from £22,639 GBPSave up to £18,484 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.

A
3.37ct Round
£22,639 GBP