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Round|Natural|GIA

3.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 1559241006

Certificate GIA 1559241006

Diamond specifications and retailer prices

From £22,902 GBP
A$47,209 AUD
As of November 1, 2026
Save £14,741 GBP (39%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £37,643 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3ct natural round diamond

This 3ct natural round sits in the three to five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1559241006. Listed at 14 retailers as of November 1, 2026, with prices from £22,902 to £37,643, a £14,741 spread on the same certified stone. MOH London lists it at £37,643. 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

3.00
Carat
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1559241006
Dimensions9.53 × 9.57 × 5.51 mm
L/W Ratio1.00
Key to symbols
Cloud, Crystal, Needle
Top View
9.53 mm9.57 mm3.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1559241006
Side View
Table 60.0%Crown 31.5°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 57.7%

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 1
Current: £37,643 GBP|Low: £23,515 GBP|High: £37,845 GBP|Avg: £27,579 GBP|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 1, 2026
Retailer 5£23,515 GBP
Retailer 6£24,087 GBP
Retailer 4£24,110 GBP
Retailer 12£24,223 GBP
Retailer 10£25,108 GBP
Retailer 3£25,823 GBP
Retailer 11£26,606 GBP
Retailer 13£27,936 GBP
Retailer 8£28,823 GBP
Retailer 2£29,263 GBP
Retailer 9£29,932 GBP
Retailer 7£31,247 GBP
MOH London£37,643 GBP

11 data points across 13 retailers

14 retailers£22,902 GBP to £37,643 GBP

B+
Cheapest Retailer
-
£22,902 GBP
A$47,209 AUD
B+
Retailer 2
-
£23,515 GBP
$31,508 USD
View
Final sale: no returns
B+
Retailer 3
-
£24,087 GBP
View
B+
Retailer 4
-
£24,110 GBP
$32,305 USD
View
B+
Retailer 5
-
£24,223 GBP
$32,456 USD
View
B+
Retailer 6
-
£25,108 GBP
$33,642 USD
View
B+
Retailer 7
-
£25,823 GBP
$34,600 USD
View
B+
Retailer 8
-
£26,606 GBP
$35,649 USD
View
Retailer 9
-
£27,936 GBP
$37,431 USD
View
Price last confirmed 7 days ago
B+
Retailer 10
-
£28,823 GBP
$38,619 USD
View
B+
Retailer 11
-
£29,263 GBP
View
B
Retailer 12
-
£29,932 GBP
$40,105 USD
View
B
Retailer 13
-
£31,247 GBP
ZAR 676,365 ZAR
View
Most Expensive
B
MOH London
637783D7F · Nov 1
£37,643 GBP
View
13 more retailers have this diamond
Prices start from £22,902 GBPSave up to £14,741 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+
3.00ct Round
£22,902 GBP