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Round|Natural|GIA

3.00ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6505897367

Certificate GIA 6505897367

Diamond specifications and retailer prices

From £23,736 GBP
$31,803 USD
As of October 31, 2026
Save £17,229 GBP (42%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £40,965 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 6505897367. Listed at 18 retailers as of October 31, 2026, with prices from £23,736 to £40,965, a £17,229 spread on the same certified stone. MOH London lists it at £40,965. 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 angle36.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 6505897367
Dimensions9.16 × 9.11 × 5.76 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
9.16 mm9.11 mm3.00 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6505897367
Side View
Table 55.0%Crown 36.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 63.1%

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: £40,965 GBP|Low: £22,715 GBP|High: £41,458 GBP|Avg: £28,956 GBP|-1.1%
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
Retailer 14
November 1, 2026
Retailer 3£22,715 GBP
Retailer 5£23,880 GBP
Retailer 6£25,675 GBP
Retailer 8£26,219 GBP
Retailer 10£26,230 GBP
Retailer 4£26,423 GBP
Retailer 13£27,322 GBP
Retailer 11£27,541 GBP
Retailer 12£28,415 GBP
Retailer 14£29,508 GBP
Retailer 2£31,684 GBP
Retailer 7£31,845 GBP
Retailer 9£34,003 GBP
MOH London£40,965 GBP

29 data points across 14 retailers

18 retailers£23,736 GBP to £40,965 GBP

Retailer 1
-
£22,715 GBP
$30,435 USD
Price last confirmed 7 days ago
B+
Retailer 2
-
£23,736 GBP
$31,803 USD
View
B+
Retailer 3
-
£23,880 GBP
$31,997 USD
View
Retailer 4
-
£25,675 GBP
A$52,926 AUD
View
Price last confirmed 33 days ago
B+
Retailer 5
-
£26,219 GBP
View
B+
Retailer 6
-
£26,230 GBP
$35,145 USD
View
B+
Retailer 7
-
£26,423 GBP
$35,404 USD
View
Retailer 8
-
£26,423 GBP
$35,404 USD
View
Price last confirmed 18 days ago
Retailer 9
-
£26,423 GBP
$35,404 USD
View
Price last confirmed 34 days ago
B
Retailer 10
-
£27,322 GBP
$36,609 USD
View
B+
Retailer 11
-
£27,541 GBP
$36,902 USD
View
B
Retailer 12
-
£28,047 GBP
$37,580 USD
View
B
Retailer 13
-
£28,415 GBP
$38,073 USD
View
B
Retailer 14
-
£29,508 GBP
$39,538 USD
View
B
Retailer 15
-
£31,684 GBP
€40,431 EUR
View
B
Retailer 16
-
£31,845 GBP
View
B
Retailer 17
-
£34,003 GBP
ZAR 736,027 ZAR
View
Most Expensive
B
MOH London
5BE6B6843 · Nov 1
£40,965 GBP
View
17 more retailers have this diamond
Prices start from £23,736 GBPSave up to £17,229 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
£23,736 GBP