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3.38ct I SI1 Round Natural Diamond

EX • I/SI1 • IGI 799695393

Shape and cutting style on the report: Round brilliant

Certificate IGI 799695393

Diamond specifications and retailer prices

From £15,257 GBP
$20,442 USD
As of October 31, 2026
Save £8,793 GBP (37%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £24,050 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.38ct natural round diamond

This 3.38ct 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 799695393. Listed at 9 retailers as of October 29, 2026, with prices from £15,257 to £24,050, a £8,793 spread on the same certified stone. MOH London lists it at £24,050. 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

3.38
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.5°
Pavilion angle40.8°
OriginNatural
Grading LabIGI
CertificateIGI 799695393
Dimensions9.72 × 9.79 × 5.82 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
9.72 mm9.79 mm3.38 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 799695393
Side View
Table 58.0%Crown 32.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 59.6%

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: Oct 31
Current: £24,050 GBP|Low: £13,609 GBP|High: £24,905 GBP|Avg: £17,924 GBP|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 6£13,609 GBP
Retailer 5£15,257 GBP
Retailer 3£16,083 GBP
Retailer 8£16,594 GBP
Retailer 4£17,740 GBP
Retailer 9£17,740 GBP
Retailer 7£18,330 GBP
Retailer 2£19,333 GBP
MOH London£24,050 GBP

26 data points across 9 retailers

9 retailers£15,257 GBP to £24,050 GBP

Retailer 1
-
£13,609 GBP
$18,235 USD
Price last confirmed 10 days ago
A
Retailer 2
-
£15,257 GBP
$20,442 USD
View
A
Retailer 3
-
£16,083 GBP
$21,549 USD
View
A
Retailer 4
-
£16,594 GBP
$22,234 USD
View
A
Retailer 5
-
£17,740 GBP
$23,770 USD
View
A
Retailer 6
-
£17,740 GBP
$23,770 USD
View
A
Retailer 7
-
£18,330 GBP
$24,560 USD
View
A
Retailer 8
-
£19,333 GBP
€24,670 EUR
View
Most Expensive
B+
MOH London
7F142CE3B · Oct 29
£24,050 GBP
View
8 more retailers have this diamond
Prices start from £15,257 GBPSave up to £8,793 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
3.38ct Round
£15,257 GBP