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5.13ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 2173882338

Certificate GIA 2173882338

Diamond specifications and retailer prices

From £40,320 GBP
As of November 5, 2026
Save £11,680 GBP (22%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £51,999 GBP at Yorxs · As of November 5, 2026
View at Yorxs

About this 5.13ct natural round diamond

This 5.13ct 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 2173882338. Listed at 7 retailers as of November 5, 2026, with prices from £40,320 to £51,999, a £11,680 spread on the same certified stone. Yorxs lists it at £51,999. 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

5.13
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle31.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 2173882338
Dimensions11.31 × 11.28 × 6.74 mm
L/W Ratio1.00
Culet sizeNone
Top View
11.31 mm11.28 mm5.13 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2173882338
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 41.8°Culet: NoneDepth 59.7%

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: £44,099 GBP|Low: £38,078 GBP|High: £52,503 GBP|Avg: £46,117 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Yorxs
November 6, 2026
Retailer 3£38,078 GBP
Retailer 2£40,320 GBP
Retailer 6£44,053 GBP
Retailer 1£44,099 GBP
Retailer 4£47,724 GBP
Retailer 5£49,559 GBP
Yorxs£51,999 GBP

39 data points across 7 retailers

7 retailers£40,320 GBP to £51,999 GBP

B+
Cheapest Retailer
-
£40,320 GBP
B
Retailer 2
-
£44,099 GBP
View
B
Retailer 3
-
£45,888 GBP
View
B
Retailer 4
-
£45,888 GBP
View
B
Retailer 5
-
£47,724 GBP
View
B
Retailer 6
-
£49,559 GBP
View
Most Expensive
B
Yorxs
254544498 · Nov 5
£51,999 GBP
€66,654 EUR
View
6 more retailers have this diamond
Prices start from £40,320 GBPSave up to £11,680 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+
5.13ct Round
£40,320 GBP