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Round|Natural|GIA

3.38ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 12666432

Certificate GIA 12666432

Diamond specifications and retailer prices

From £27,575 GBP
$36,947 USD
As of October 31, 2026
Save £9,964 GBP (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £37,538 GBP at Yorxs · As of October 31, 2026
View at Yorxs

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 GIA 12666432. Listed at 6 retailers as of October 31, 2026, with prices from £27,575 to £37,538, a £9,964 spread on the same certified stone. Yorxs lists it at £37,538. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 12666432
Dimensions9.77 × 9.81 × 5.90 mm
L/W Ratio1.00
Top View
9.77 mm9.81 mm3.38 ctI / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 12666432
Side View
Table 58.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.3%

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: Oct 31
Current: £28,885 GBP|Low: £27,575 GBP|High: £37,538 GBP|Avg: £31,951 GBP|-1.0%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 1, 2026
Retailer 3£27,575 GBP
Retailer 1£28,885 GBP
Retailer 2£34,563 GBP
Yorxs£37,538 GBP

46 data points across 4 retailers

6 retailers£27,575 GBP to £37,538 GBP

B+
Cheapest Retailer
-
£27,575 GBP
$36,947 USD
B+
Retailer 2
-
£28,885 GBP
₹3,685,923 INR
View
B+
Retailer 3
-
£29,236 GBP
$39,172 USD
View
B+
Retailer 4
-
£29,649 GBP
$39,726 USD
View
B
Retailer 5
-
£34,563 GBP
View
Most Expensive
B
Yorxs
RB3255 · Oct 31
£37,538 GBP
€47,902 EUR
View
5 more retailers have this diamond
Prices start from £27,575 GBPSave up to £9,964 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+
3.38ct Round
£27,575 GBP