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0.51ct L SI2 Round Natural Diamond

GD • L/SI2 • GIA 1558785610

Certificate GIA 1558785610

Diamond specifications and retailer prices

From £142 GBP
As of November 4, 2026
Save £195 GBP (58%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £337 GBP at Yorxs · As of November 2, 2026
View at Yorxs

About this 0.51ct natural round diamond

This 0.51ct natural round sits in the half to three-quarter carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a standard cut grade and certified by GIA 1558785610. Listed at 8 retailers as of November 2, 2026, with prices from £142 to £337, a £195 spread on the same certified stone. Yorxs lists it at £337. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.51
Carat
L
Colour
SI2
Clarity
Good
Cut

Specifications

CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
Crown angle39.5°
Pavilion angle40°
OriginNatural
Grading LabGIA
CertificateGIA 1558785610
Dimensions4.89 × 4.90 × 3.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizeNone
Top View
4.89 mm4.90 mm0.51 ctL / SI2
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1558785610
Side View
Table 56.0%Crown 39.5°Girdle: THK-VTKPavilion 40°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £287 GBP|Low: £142 GBP|High: £474 GBP|Avg: £284 GBP|-21.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Yorxs
November 5, 2026
Retailer 2£142 GBP
Retailer 7£171 GBP
Retailer 3£172 GBP
Retailer 5£204 GBP
Retailer 4£255 GBP
Retailer 1£287 GBP
Retailer 6£321 GBP
Yorxs£337 GBP

39 data points across 8 retailers

8 retailers£142 GBP to £337 GBP

B+
Cheapest Retailer
-
£142 GBP
B+
Retailer 2
-
£171 GBP
View
B+
Retailer 3
-
£172 GBP
View
Final sale: no returns
Retailer 4
-
£204 GBP
View
Price last confirmed 8 days ago
B+
Retailer 5
-
£255 GBP
View
B+
Retailer 6
-
£287 GBP
View
B+
Retailer 7
-
£321 GBP
View
Most Expensive
B
Yorxs
TN0132009 · Nov 2
£337 GBP
€432 EUR
View
7 more retailers have this diamond
Prices start from £142 GBPSave up to £195 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+
0.51ct Round
£142 GBP