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Round|Natural|GIA

0.66ct J I1 Round Natural Diamond

EX • J/I1 • GIA 1429708826

Certificate GIA 1429708826

Diamond specifications and retailer prices

From HK$2,331 HKD
₹28,290 INR
As of November 2, 2026
Save HK$3,313 HKD (59%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$11,950 HKD 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 1429708826. Listed at 9 retailers as of November 2, 2026, with a 142% 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
FluorescenceStrong
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 1429708826
Dimensions5.60 × 5.63 × 3.44 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Culet sizeNone
Key to symbols
Crystal, Feather
Top View
5.60 mm5.63 mm0.66 ctJ / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 1429708826
Side View
Table 56.0%Crown 35°Girdle: THN-MEDPavilion 40.8°Culet: NoneDepth 61.3%

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: HK$11,950 HKD|Low: HK$2,326 HKD|High: HK$11,950 HKD|Avg: HK$4,939 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 3, 2026
Retailer 3HK$2,331 HKD
Retailer 6HK$3,115 HKD
Retailer 4HK$3,403 HKD
Retailer 7HK$3,594 HKD
Retailer 5HK$4,527 HKD
Retailer 2HK$5,643 HKD
NZ JewellersHK$11,950 HKD

44 data points across 7 retailers

9 retailersHK$2,331 HKD to HK$5,643 HKD

A
Cheapest Retailer
-
HK$2,331 HKD
₹28,290 INR
B+
Retailer 2
-
HK$2,712 HKD
View
Retailer 3
-
HK$3,115 HKD
$397 USD
View
Price last confirmed 14 days ago
Retailer 4
-
HK$3,358 HKD
$428 USD
View
Price last confirmed 26 days ago
Retailer 5
-
HK$3,358 HKD
$428 USD
View
Price last confirmed 18 days ago
Retailer 6
-
HK$3,594 HKD
$458 USD
View
Price last confirmed 13 days ago
B+
Retailer 7
-
HK$4,527 HKD
$577 USD
View
B
Retailer 8
-
HK$5,643 HKD
€685 EUR
View
Most Expensive
NZ Jewellers
6f6e5b6e-d6be-4eaf-8838-811d86641dee · Oct 20
HK$11,950 HKD
$1,523 USD
View
Price last confirmed 13 days ago
8 more retailers have this diamond
Prices start from HK$2,331 HKDSave up to HK$3,313 HKD

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
HK$2,331 HKD