CaratHunter
Plans
Round|Natural|GIA

0.66ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 2328192455

Certificate GIA 2328192455

Diamond specifications and retailer prices

From £886 GBP
$1,189 USD
As of November 1, 2026
Save £438 GBP (33%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,324 GBP at Yorxs · As of November 1, 2026
View at Yorxs

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 2328192455. Listed at 4 retailers as of November 1, 2026, with prices from £886 to £1,324, a £438 spread on the same certified stone. Yorxs lists it at £1,324. 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 2328192455
Dimensions5.54 × 5.57 × 3.49 mm
L/W Ratio1.01
Top View
5.54 mm5.57 mm0.66 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2328192455
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

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: £1,294 GBP|Low: £876 GBP|High: £1,331 GBP|Avg: £1,165 GBP|+0.4%
Retailer 1
Retailer 2
Yorxs
November 1, 2026
Retailer 2£888 GBP
Retailer 1£1,294 GBP
Yorxs£1,324 GBP

32 data points across 3 retailers

4 retailers£886 GBP to £1,324 GBP

B+
Cheapest Retailer
-
£886 GBP
$1,189 USD
B+
Retailer 2
-
£888 GBP
$1,192 USD
View
B
Retailer 3
-
£1,294 GBP
View
Most Expensive
B
Yorxs
E-3454 · Nov 1
£1,324 GBP
€1,692 EUR
View
3 more retailers have this diamond
Prices start from £886 GBPSave up to £438 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
£886 GBP