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0.66ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1513699458

Certificate GIA 1513699458

Diamond specifications and retailer prices

From £429 GBP
HK$4,500 HKD
As of November 1, 2026
Save £1,349 GBP (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,778 GBP at NZ Jewellers · As of November 2, 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 1513699458. Listed at 10 retailers as of November 1, 2026, with prices from £429 to £1,778, a £1,349 spread on the same certified stone. NZ Jewellers lists it at £1,778. 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
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1513699458
Dimensions5.68 × 5.69 × 3.42 mm
L/W Ratio1.00
Girdle conditionFaceted
Key to symbols
Feather, Cloud
Top View
5.68 mm5.69 mm0.66 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1513699458
Side View
Table 59.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.1%

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: Nov 1
Current: £1,778 GBP|Low: £410 GBP|High: £1,778 GBP|Avg: £775 GBP|+7.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 6£429 GBP
Retailer 9£576 GBP
Retailer 10£592 GBP
Retailer 8£666 GBP
Retailer 7£672 GBP
Retailer 2£673 GBP
Retailer 3£678 GBP
Retailer 4£800 GBP
Retailer 5£1,038 GBP
NZ Jewellers£1,778 GBP

29 data points across 10 retailers

10 retailers£429 GBP to £1,778 GBP

A
Cheapest Retailer
-
£429 GBP
HK$4,500 HKD
A
Retailer 2
-
£576 GBP
$773 USD
View
Retailer 3
-
£592 GBP
SGD 1,073 SGD
View
Price last confirmed 7 days ago
A
Retailer 4
-
£666 GBP
$893 USD
View
A
Retailer 5
-
£672 GBP
View
A
Retailer 6
-
£673 GBP
View
A
Retailer 7
-
£678 GBP
View
B+
Retailer 8
-
£800 GBP
€1,022 EUR
View
B+
Retailer 9
-
£1,038 GBP
View
Most Expensive
B
NZ Jewellers
b9c6c624-caf3-48e1-807d-4a91c7d36cc0 · Nov 2
£1,778 GBP
$2,386 USD
View
9 more retailers have this diamond
Prices start from £429 GBPSave up to £1,349 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
£429 GBP