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0.53ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 6291111817

Certificate GIA 6291111817

Diamond specifications and retailer prices

From £616 GBP
As of November 4, 2026
Save £343 GBP (36%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £959 GBP at 77 Diamonds · As of November 6, 2026
View at 77 Diamonds

About this 0.53ct natural round diamond

This 0.53ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6291111817. Listed at 3 retailers as of November 4, 2026, with prices from £616 to £959, a £343 spread on the same certified stone. 77 Diamonds lists it at £959. 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

0.53
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6291111817
Dimensions5.16 × 5.19 × 3.23 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
5.16 mm5.19 mm0.53 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6291111817
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.8°CuletDepth 62.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 4
Current: £959 GBP|Low: £661 GBP|High: £980 GBP|Avg: £820 GBP|+0.2%
77 Diamonds
Retailer 2
November 6, 2026
Retailer 2£669 GBP
77 Diamonds£959 GBP

37 data points across 2 retailers

3 retailers£616 GBP to £959 GBP

B
Cheapest Retailer
-
£616 GBP
B
Retailer 2
-
£669 GBP
View
Most Expensive
B
77 Diamonds
RBZVXBF43EC · Nov 6
£959 GBP
View
2 more retailers have this diamond
Prices start from £616 GBPSave up to £343 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
0.53ct Round
£616 GBP