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1.58ct L SI1 Round Natural Diamond

EX • L/SI1 • GIA 7503143297

Certificate GIA 7503143297

Diamond specifications and retailer prices

From £2,239 GBP
As of November 4, 2026
Save £962 GBP (30%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,201 GBP at Cape Diamonds · As of November 5, 2026
View at Cape Diamonds

About this 1.58ct natural round diamond

This 1.58ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7503143297. Listed at 9 retailers as of November 4, 2026, with prices from £2,239 to £3,201, a £962 spread on the same certified stone. Cape Diamonds lists it at £3,201. 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

1.58
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7503143297
Dimensions7.52 × 7.55 × 4.58 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Culet sizeNone
Cert comments
Additional twinning wisps pinpoints and surface graining are not shown.
Top View
7.52 mm7.55 mm1.58 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7503143297
Side View
Table 57.0%Crown 33.5°GirdlePavilion 41°Culet: NoneDepth 60.8%

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: Nov 4
Current: £3,201 GBP|Low: £2,239 GBP|High: £3,395 GBP|Avg: £2,745 GBP|-5.7%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 7£2,239 GBP
Retailer 6£2,328 GBP
Retailer 5£2,390 GBP
Retailer 8£2,522 GBP
Retailer 3£2,697 GBP
Retailer 9£2,730 GBP
Retailer 2£2,855 GBP
Retailer 4£3,046 GBP
Cape Diamonds£3,201 GBP

31 data points across 9 retailers

9 retailers£2,239 GBP to £3,201 GBP

A
Cheapest Retailer
-
£2,239 GBP
B+
Retailer 2
-
£2,328 GBP
View
B+
Retailer 3
-
£2,390 GBP
View
B+
Retailer 4
-
£2,522 GBP
View
B+
Retailer 5
-
£2,697 GBP
View
B+
Retailer 6
-
£2,730 GBP
View
B
Retailer 7
-
£2,855 GBP
View
B
Retailer 8
-
£3,046 GBP
View
Most Expensive
B
Cape Diamonds
cert_7503143297 · Nov 5
£3,201 GBP
ZAR 69,593 ZAR
View
8 more retailers have this diamond
Prices start from £2,239 GBPSave up to £962 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
1.58ct Round
£2,239 GBP