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Round|Natural|IGI

6.00ct L SI1 Round Natural Diamond

EX • L/SI1 • IGI 529250773

Shape and cutting style on the report: Round brilliant

Certificate IGI 529250773

Diamond specifications and retailer prices

From £32,498 GBP
As of November 4, 2026
Save £10,590 GBP (25%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: £43,088 GBP at Cape Diamonds · As of November 6, 2026
View at Cape Diamonds

About this 6ct natural round diamond

This 6ct 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 IGI 529250773. Listed at 3 retailers as of November 4, 2026, with prices from £32,498 to £43,088, a £10,590 spread on the same certified stone. Cape Diamonds lists it at £43,088. 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

6.00
Carat
L
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.5°
Pavilion angle40.9°
OriginNatural
Grading LabIGI
CertificateIGI 529250773
Dimensions11.37 × 11.47 × 7.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
11.37 mm11.47 mm6.00 ctL / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 529250773
Side View
Table 57.5%Crown 36.5°GirdlePavilion 40.9°Culet: NoneDepth 63.6%

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 4
Current: £43,088 GBP|Low: £24,714 GBP|High: £43,388 GBP|Avg: £33,370 GBP|+1.4%
Cape Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 5£24,714 GBP
Retailer 3£32,051 GBP
Retailer 2£32,498 GBP
Retailer 4£34,738 GBP
Cape Diamonds£43,088 GBP

9 data points across 5 retailers

3 retailers£32,498 GBP to £43,088 GBP

B+
Cheapest Retailer
-
£32,498 GBP
B+
Retailer 2
-
£34,738 GBP
View
Most Expensive
B
Cape Diamonds
cert_529250773 · Nov 6
£43,088 GBP
ZAR 936,876 ZAR
View
2 more retailers have this diamond
Prices start from £32,498 GBPSave up to £10,590 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+
6.00ct Round
£32,498 GBP