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3.50ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 6532677179

Certificate GIA 6532677179

Diamond specifications and retailer prices

From £21,530 GBP
As of November 5, 2026
Save £6,400 GBP (23%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £27,930 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 3.5ct natural round diamond

This 3.5ct 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 6532677179. Listed at 3 retailers as of November 5, 2026, with prices from £21,530 to £27,930, a £6,400 spread on the same certified stone. Yorxs lists it at £27,930. 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

3.50
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 6532677179
Dimensions9.67 × 9.61 × 5.99 mm
L/W Ratio1.01
Top View
9.67 mm9.61 mm3.50 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6532677179
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: £25,459 GBP|Low: £17,656 GBP|High: £28,080 GBP|Avg: £23,267 GBP|+0.2%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 3£17,656 GBP
Retailer 2£21,530 GBP
Retailer 1£25,459 GBP
Yorxs£27,930 GBP

44 data points across 4 retailers

3 retailers£21,530 GBP to £27,930 GBP

B+
Cheapest Retailer
-
£21,530 GBP
B
Retailer 2
-
£25,459 GBP
View
Most Expensive
B
Yorxs
D4942501 · Nov 5
£27,930 GBP
€35,801 EUR
View
2 more retailers have this diamond
Prices start from £21,530 GBPSave up to £6,400 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+
3.50ct Round
£21,530 GBP