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Round|Natural|GIA

3.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6545739238

Certificate GIA 6545739238

Diamond specifications and retailer prices

From £23,241 GBP
$31,141 USD
As of October 31, 2026
Save £16,861 GBP (42%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £40,102 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 6545739238. Listed at 16 retailers as of October 31, 2026, with prices from £23,241 to £40,102, a £16,861 spread on the same certified stone. MOH London lists it at £40,102. 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
FluorescenceFaint
Crown angle35°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 6545739238
Dimensions9.16 × 9.22 × 5.75 mm
L/W Ratio1.01
Top View
9.16 mm9.22 mm3.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6545739238
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 62.6%

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: Oct 31
Current: £40,102 GBP|Low: £22,961 GBP|High: £40,585 GBP|Avg: £29,030 GBP|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 6£23,241 GBP
Retailer 5£24,931 GBP
Retailer 7£25,429 GBP
Retailer 3£25,665 GBP
Retailer 2£29,421 GBP
Retailer 4£33,287 GBP
MOH London£40,102 GBP

40 data points across 7 retailers

16 retailers£23,241 GBP to £40,102 GBP

B+
Cheapest Retailer
-
£23,241 GBP
$31,141 USD
B+
Retailer 2
-
£23,377 GBP
$31,323 USD
View
B+
Retailer 3
-
£24,217 GBP
CA$45,066 CAD
View
B+
Retailer 4
-
£24,931 GBP
$33,405 USD
View
Retailer 5
-
£25,429 GBP
A$52,418 AUD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
£25,665 GBP
View
Retailer 7
-
£25,677 GBP
$34,405 USD
View
Price last confirmed 20 days ago
Retailer 8
-
£26,747 GBP
$35,838 USD
View
Price last confirmed 34 days ago
Retailer 9
-
£26,961 GBP
$36,125 USD
View
Price last confirmed 33 days ago
Retailer 10
-
£27,817 GBP
$37,272 USD
View
Price last confirmed 24 days ago
B
Retailer 11
-
£28,212 GBP
$37,801 USD
View
Retailer 12
-
£28,887 GBP
$38,705 USD
View
Price last confirmed 23 days ago
B+
Retailer 13
-
£29,421 GBP
€37,544 EUR
View
B
Retailer 14
-
£30,031 GBP
$40,238 USD
View
B
Retailer 15
-
£33,287 GBP
ZAR 720,530 ZAR
View
Most Expensive
B
MOH London
DE634E100 · Nov 1
£40,102 GBP
View
15 more retailers have this diamond
Prices start from £23,241 GBPSave up to £16,861 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
£23,241 GBP