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Round|Natural|GIA

3.00ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2566718620

Certificate GIA 2566718620

Diamond specifications and retailer prices

From £18,533 GBP
HK$194,000 HKD
As of October 30, 2026
Save £15,159 GBP (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £33,692 GBP at MOH London · As of October 29, 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2566718620. Listed at 12 retailers as of October 29, 2026, with prices from £18,533 to £33,692, a £15,159 spread on the same certified stone. MOH London lists it at £33,692. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2566718620
Dimensions9.11 × 9.17 × 5.78 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Feather, Cloud, Crystal, Indented Natural, Needle, Natural
Top View
9.11 mm9.17 mm3.00 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2566718620
Side View
Table 58.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.2%

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: Oct 30
Current: £33,692 GBP|Low: £18,533 GBP|High: £33,692 GBP|Avg: £23,711 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 8£18,533 GBP
Retailer 4£18,795 GBP
Retailer 3£21,132 GBP
Retailer 11£21,237 GBP
Retailer 5£22,353 GBP
Retailer 9£24,870 GBP
Retailer 7£25,494 GBP
Retailer 10£25,660 GBP
Retailer 6£26,472 GBP
Retailer 2£26,646 GBP
MOH London£33,692 GBP

4 data points across 11 retailers

12 retailers£18,533 GBP to £33,692 GBP

A
Cheapest Retailer
-
£18,533 GBP
HK$194,000 HKD
A
Retailer 2
-
£18,795 GBP
₹2,398,351 INR
View
B+
Retailer 3
-
£20,580 GBP
A$42,423 AUD
View
B+
Retailer 4
-
£21,132 GBP
$28,314 USD
View
Final sale: no returns
B+
Retailer 5
-
£21,237 GBP
$28,455 USD
View
B+
Retailer 6
-
£22,353 GBP
$29,950 USD
View
B+
Retailer 7
-
£24,870 GBP
$33,323 USD
View
B+
Retailer 8
-
£25,494 GBP
€32,533 EUR
View
B+
Retailer 9
-
£25,660 GBP
$34,381 USD
View
B
Retailer 10
-
£26,472 GBP
View
B
Retailer 11
-
£26,646 GBP
$35,703 USD
View
Most Expensive
B
MOH London
AD5A09E6D · Oct 29
£33,692 GBP
View
11 more retailers have this diamond
Prices start from £18,533 GBPSave up to £15,159 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
3.00ct Round
£18,533 GBP