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Round|Natural|GIA

0.66ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 7361863098

Certificate GIA 7361863098

Diamond specifications and retailer prices

From £921 GBP
As of November 2, 2026
Save £788 GBP (46%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,709 GBP at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 0.66ct natural round diamond

This 0.66ct natural round sits in the half to three-quarter carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7361863098. Listed at 5 retailers as of November 2, 2026, with prices from £921 to £1,709, a £788 spread on the same certified stone. Diamond Quarter lists it at £1,709. 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

0.66
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7361863098
Dimensions5.63 × 5.65 × 3.41 mm
L/W Ratio1.00
Top View
5.63 mm5.65 mm0.66 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7361863098
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.4%

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 2
Current: £921 GBP|Low: £788 GBP|High: £1,456 GBP|Avg: £1,052 GBP|+5.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 4£788 GBP
Retailer 1£921 GBP
Retailer 2£1,097 GBP
Retailer 3£1,438 GBP

39 data points across 4 retailers

5 retailers£921 GBP to £1,709 GBP

Retailer 1
-
£697 GBP
$935 USD
Price last confirmed 39 days ago
B+
Retailer 2
-
£921 GBP
View
B+
Retailer 3
-
£1,097 GBP
€1,402 EUR
View
B
Retailer 4
-
£1,438 GBP
View
Most Expensive
B
Diamond Quarter
0.66SI2G7398E404N · Nov 2
£1,709 GBP
View
4 more retailers have this diamond
Prices start from £921 GBPSave up to £788 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+
0.66ct Round
£921 GBP