CaratHunter
Plans
Round|Natural|GIA

5.06ct K SI1 Round Natural Diamond

EX • K/SI1 • GIA 2557644548

Certificate GIA 2557644548

Diamond specifications and retailer prices

From £38,642 GBP
As of November 6, 2026
Save £14,363 GBP (27%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £53,005 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 5.06ct natural round diamond

This 5.06ct natural round sits in the over five carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2557644548. Listed at 4 retailers as of November 5, 2026, with prices from £38,642 to £53,005, a £14,363 spread on the same certified stone. Yorxs lists it at £53,005. 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

5.06
Carat
K
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2557644548
Dimensions10.94 × 10.99 × 6.81 mm
L/W Ratio1.00
Culet sizeNone
Key to symbols
Crystal
Top View
10.94 mm10.99 mm5.06 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2557644548
Side View
Table 60.0%Crown 33°Girdle: Slightly ThickPavilion 41.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £38,642 GBP|Low: £38,642 GBP|High: £54,695 GBP|Avg: £48,878 GBP|-5.8%
Retailer 1
Retailer 2
Retailer 3
Yorxs
November 6, 2026
Retailer 1£38,642 GBP
Retailer 2£48,274 GBP
Retailer 3£50,881 GBP
Yorxs£53,005 GBP

44 data points across 4 retailers

4 retailers£38,642 GBP to £53,005 GBP

A
Cheapest Retailer
-
£38,642 GBP
B+
Retailer 2
-
£48,274 GBP
View
B+
Retailer 3
-
£50,881 GBP
View
Most Expensive
B+
Yorxs
E407259A1A · Nov 5
£53,005 GBP
€67,943 EUR
View
3 more retailers have this diamond
Prices start from £38,642 GBPSave up to £14,363 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.

A
5.06ct Round
£38,642 GBP