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Round|Natural|GIA

5.20ct H SI1 Round Natural Diamond

EX • H/SI1 • GIA 1553082016

Certificate GIA 1553082016

Diamond specifications and retailer prices

From £46,514 GBP
HK$486,900 HKD
As of October 29, 2026
Save £18,044 GBP (28%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £64,558 GBP at Yorxs · As of October 30, 2026
View at Yorxs

About this 5.2ct natural round diamond

This 5.2ct natural round sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1553082016. Listed at 4 retailers as of October 29, 2026, with prices from £46,514 to £64,558, a £18,044 spread on the same certified stone. Yorxs lists it at £64,558. 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

5.20
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
Crown angle33.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 1553082016
Dimensions11.03 × 10.97 × 6.95 mm
L/W Ratio1.01
Key to symbols
Crystal, Feather, Knot, Natural
Top View
11.03 mm10.97 mm5.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1553082016
Side View
Table 56.0%Crown 33.5°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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: Oct 29
Current: £48,291 GBP|Low: £46,514 GBP|High: £71,611 GBP|Avg: £54,739 GBP|-19.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Yorxs
November 1, 2026
Retailer 3£46,514 GBP
Retailer 1£48,291 GBP
Retailer 2£50,084 GBP
Retailer 5£52,678 GBP
Retailer 4£57,770 GBP
Yorxs£64,558 GBP

31 data points across 6 retailers

4 retailers£46,514 GBP to £64,558 GBP

A
Cheapest Retailer
-
£46,514 GBP
HK$486,900 HKD
A
Retailer 2
-
£48,291 GBP
€61,623 EUR
View
A
Retailer 3
-
£50,084 GBP
$67,107 USD
View
Most Expensive
B+
Yorxs
AK-661 · Oct 30
£64,558 GBP
€82,381 EUR
View
3 more retailers have this diamond
Prices start from £46,514 GBPSave up to £18,044 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
5.20ct Round
£46,514 GBP