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Round|Natural|GIA

0.66ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 6562568893

Certificate GIA 6562568893

Diamond specifications and retailer prices

From £375 GBP
₹47,884 INR
As of October 29, 2026
Save £1,230 GBP (77%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £1,605 GBP at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

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 6562568893. Listed at 15 retailers as of October 27, 2026, with prices from £375 to £1,605, a £1,230 spread on the same certified stone. NZ Jewellers lists it at £1,605. 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
Crown angle31.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6562568893
Dimensions5.64 × 5.66 × 3.39 mm
L/W Ratio1.00
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Knot
Top View
5.64 mm5.66 mm0.66 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6562568893
Side View
Table 59.0%Crown 31.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 60.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £1,605 GBP|Low: £374 GBP|High: £1,701 GBP|Avg: £673 GBP|-5.7%
NZ Jewellers
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
Retailer 15
Retailer 16
October 29, 2026
Retailer 10£375 GBP
Retailer 4£472 GBP
Retailer 2£478 GBP
Retailer 11£502 GBP
Retailer 16£502 GBP
Retailer 8£504 GBP
Retailer 15£522 GBP
Retailer 7£525 GBP
Retailer 5£591 GBP
Retailer 12£600 GBP
Retailer 9£614 GBP
Retailer 6£620 GBP
Retailer 14£633 GBP
Retailer 3£685 GBP
Retailer 13£1,166 GBP
NZ Jewellers£1,605 GBP

18 data points across 16 retailers

15 retailers£375 GBP to £1,605 GBP

A
Cheapest Retailer
-
£375 GBP
₹47,884 INR
A
Retailer 2
-
£478 GBP
A$988 AUD
View
A
Retailer 3
-
£502 GBP
$674 USD
View
A
Retailer 4
-
£502 GBP
$674 USD
View
Retailer 5
-
£504 GBP
$676 USD
View
Price last confirmed 10 days ago
A
Retailer 6
-
£522 GBP
$700 USD
View
Retailer 7
-
£525 GBP
$705 USD
View
Price last confirmed 8 days ago
A
Retailer 8
-
£591 GBP
$793 USD
View
A
Retailer 9
-
£600 GBP
View
A
Retailer 10
-
£614 GBP
View
Retailer 11
-
£620 GBP
$833 USD
View
Price last confirmed 7 days ago
A
Retailer 12
-
£633 GBP
$850 USD
View
A
Retailer 13
-
£685 GBP
€876 EUR
View
B
Retailer 14
-
£1,166 GBP
View
Most Expensive
B
NZ Jewellers
2346b6f9-1ba6-4115-80b9-46c8ecac9b4a · Oct 27
£1,605 GBP
$2,154 USD
View
14 more retailers have this diamond
Prices start from £375 GBPSave up to £1,230 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
0.66ct Round
£375 GBP