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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 $51,245 AUD
As of November 6, 2026
Save $4,785 AUD (9%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $56,030 AUD 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

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $51,245 AUD|Low: $43,172 AUD|High: $56,670 AUD|Avg: $51,914 AUD|+17.5%
Retailer 1
Yorxs
November 6, 2026
Retailer 1$51,245 AUD
Yorxs$56,030 AUD

39 data points across 2 retailers

2 retailers$51,245 AUD to $56,030 AUD

B+
Cheapest Retailer
-
$51,245 AUD
Most Expensive
B+
Yorxs
6748 · Nov 5
$56,030 AUD
€37,355 EUR
View
1 more retailer has this diamond
Prices start from $51,245 AUDSave up to $4,785 AUD

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
$51,245 AUD