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Round|Natural|GIA

3.03ct K SI1 Round Natural Diamond

VG • K/SI1 • GIA 2306524442

Certificate GIA 2306524442

Diamond specifications and retailer prices

From £15,806 GBP
As of November 5, 2026
Save £928 GBP (6%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £16,734 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 3.03ct natural round diamond

This 3.03ct natural round sits in the three to five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 2306524442. Listed at 2 retailers as of November 5, 2026, with a relatively tight 6% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
K
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 2306524442
Dimensions9.03 × 9.08 × 5.80 mm
L/W Ratio1.01
Top View
9.03 mm9.08 mm3.03 ctK / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2306524442
Side View
Table 58.0%CrownGirdlePavilionCuletDepth 64.1%

Caratlytics Score

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

Last verified: Nov 5
Current: £15,806 GBP|Low: £15,677 GBP|High: £16,860 GBP|Avg: £16,316 GBP|+0.8%
Retailer 1
Yorxs
November 5, 2026
Retailer 1£15,806 GBP
Yorxs£16,734 GBP

36 data points across 2 retailers

2 retailers£15,806 GBP to £16,734 GBP

B+
Cheapest Retailer
-
£15,806 GBP
Most Expensive
B
Yorxs
25553 · Nov 5
£16,734 GBP
€21,450 EUR
View
1 more retailer has this diamond
Prices start from £15,806 GBPSave up to £928 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+
3.03ct Round
£15,806 GBP