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Round|Natural|GIA

5.05ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6491265563

Certificate GIA 6491265563

Diamond specifications and retailer prices

From £37,270 GBP
As of November 6, 2026
Save £6,746 GBP (15%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £44,015 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 5.05ct natural round diamond

This 5.05ct natural round sits in the over five carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6491265563. Listed at 3 retailers as of November 5, 2026, with prices from £37,270 to £44,015, a £6,746 spread on the same certified stone. Yorxs lists it at £44,015. 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

5.05
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6491265563
Dimensions10.95 × 11.01 × 6.74 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Cert comments
Additional pinpoints are not shown. Surface graining is not shown.
Key to symbols
Crystal, Feather, Pinpoint
Top View
10.95 mm11.01 mm5.05 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6491265563
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 6
Current: £37,270 GBP|Low: £37,028 GBP|High: £44,252 GBP|Avg: £39,834 GBP|-1.5%
Retailer 1
Retailer 2
Yorxs
November 6, 2026
Retailer 1£37,270 GBP
Retailer 2£37,482 GBP
Yorxs£44,015 GBP

39 data points across 3 retailers

3 retailers£37,270 GBP to £44,015 GBP

B+
Cheapest Retailer
-
£37,270 GBP
B
Retailer 2
-
£37,482 GBP
View
Most Expensive
B
Yorxs
HPD8477KZ/BCE · Nov 5
£44,015 GBP
€56,420 EUR
View
2 more retailers have this diamond
Prices start from £37,270 GBPSave up to £6,746 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+
5.05ct Round
£37,270 GBP