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Round|Natural|GIA

0.66ct J I1 Round Natural Diamond

EX • J/I1 • GIA 7516457086

Certificate GIA 7516457086

Diamond specifications and retailer prices

From £242 GBP
₹30,948 INR
As of November 2, 2026
Save £256 GBP (51%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,263 GBP at NZ Jewellers · As of October 20, 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 J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 7516457086. Listed at 18 retailers as of November 1, 2026, with a 106% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.66
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 7516457086
Dimensions5.52 × 5.55 × 3.47 mm
L/W Ratio1.01
Star length50%
Lower girdle75%
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Twinning Wisp, Feather
Top View
5.52 mm5.55 mm0.66 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 7516457086
Side View
Table 56.0%Crown 35°Girdle: STK-STKPavilion 41°Culet: NoneDepth 62.8%

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 2
Current: £1,263 GBP|Low: £242 GBP|High: £1,263 GBP|Avg: £441 GBP
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 2£242 GBP
Retailer 4£277 GBP
Retailer 7£329 GBP
Retailer 5£355 GBP
Retailer 6£380 GBP
Retailer 9£418 GBP
Retailer 8£436 GBP
Retailer 3£498 GBP
NZ Jewellers£1,263 GBP

44 data points across 9 retailers

18 retailers£242 GBP to £498 GBP

A
Cheapest Retailer
-
£242 GBP
₹30,948 INR
A
Retailer 2
-
£277 GBP
HK$2,900 HKD
View
Retailer 3
-
£329 GBP
$442 USD
View
Price last confirmed 13 days ago
B+
Retailer 4
-
£329 GBP
$442 USD
View
A
Retailer 5
-
£355 GBP
$476 USD
View
B+
Retailer 6
-
£355 GBP
$476 USD
View
Retailer 7
-
£376 GBP
$505 USD
View
Price last confirmed 25 days ago
Retailer 8
-
£380 GBP
$510 USD
View
Price last confirmed 12 days ago
Retailer 9
-
£405 GBP
$544 USD
View
Price last confirmed 18 days ago
Retailer 10
-
£405 GBP
$544 USD
View
Price last confirmed 34 days ago
Retailer 11
-
£405 GBP
$544 USD
View
Price last confirmed 21 days ago
Retailer 12
-
£434 GBP
$583 USD
View
Price last confirmed 24 days ago
Retailer 13
-
£434 GBP
$583 USD
View
Price last confirmed 33 days ago
B+
Retailer 14
-
£436 GBP
$585 USD
View
B+
Retailer 15
-
£498 GBP
€637 EUR
View
Retailer 16
-
£1,180 GBP
$1,584 USD
View
Price last confirmed 24 days ago
Retailer 17
-
£1,180 GBP
$1,584 USD
View
Price last confirmed 35 days ago
Most Expensive
NZ Jewellers
ece2066e-173b-48c8-afa3-4fd5db099cd2 · Oct 20
£1,263 GBP
$1,695 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from £242 GBPSave up to £256 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
£242 GBP