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Round|Natural|GIA

4.02ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2125192217

Certificate GIA 2125192217

Diamond specifications and retailer prices

From €40,176 EUR
As of November 6, 2026
Save €3,778 EUR (9%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €43,953 EUR at Yorxs · As of November 3, 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 2125192217. Listed at 2 retailers as of November 3, 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 2125192217
Dimensions10.10 × 10.14 × 6.27 mm
L/W Ratio1.00
Top View
10.10 mm10.14 mm4.02 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2125192217
Side View
Table 59.0%CrownGirdlePavilionCuletDepth 61.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: €40,176 EUR|Low: €39,848 EUR|High: €44,067 EUR|Avg: €42,076 EUR|+0.8%
Retailer 1
Yorxs
November 6, 2026
Retailer 1€40,176 EUR
Yorxs€43,953 EUR

34 data points across 2 retailers

2 retailers€40,176 EUR to €43,953 EUR

B
Cheapest Retailer
-
€40,176 EUR
Most Expensive
B
Yorxs
DC8048 · Nov 3
€43,953 EUR
View
1 more retailer has this diamond
Prices start from €40,176 EURSave up to €3,778 EUR

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
€40,176 EUR