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Round|Natural|GIA

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2215581894

Certificate GIA 2215581894

Diamond specifications and retailer prices

From £26,653 GBP
As of November 6, 2026
Save £2,489 GBP (9%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £29,142 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 4.02ct natural round diamond

This 4.02ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2215581894. Listed at 2 retailers as of November 5, 2026, with a relatively tight 9% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

4.02
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2215581894
Dimensions10.20 × 10.26 × 6.29 mm
L/W Ratio1.01
Top View
10.20 mm10.26 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2215581894
Side View
Table 55.0%CrownGirdlePavilionCuletDepth 61.5%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £26,653 GBP|Low: £22,455 GBP|High: £29,475 GBP|Avg: £27,002 GBP|+17.5%
Retailer 1
Yorxs
November 6, 2026
Retailer 1£26,653 GBP
Yorxs£29,142 GBP

39 data points across 2 retailers

2 retailers£26,653 GBP to £29,142 GBP

B+
Cheapest Retailer
-
£26,653 GBP
Most Expensive
B+
Yorxs
6748 · Nov 5
£29,142 GBP
€37,355 EUR
View
1 more retailer has this diamond
Prices start from £26,653 GBPSave up to £2,489 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+
4.02ct Round
£26,653 GBP