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Round|Lab Grown|IGI

1.00ct J I1 Round Lab Grown Diamond

EX • J/I1

Diamond specifications and retailer prices

From HK$2,824 HKD
$360 USD
As of November 1, 2026
Save HK$8,434 HKD (75%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$11,259 HKD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded J colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI. Listed at 3 retailers as of October 30, 2026, with prices from HK$2,824 to HK$11,259, a HK$8,434 spread on the same certified stone. NZ Jewellers lists it at HK$11,259. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
J
Colour
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions6.49 × 6.52 × 3.87 mm
L/W Ratio1.00
Top View
6.49 mm6.52 mm1.00 ctJ / I1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 57.0%CrownGirdle: MediumPavilionCuletDepth 60.4%

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: HK$11,259 HKD|Low: HK$2,715 HKD|High: HK$16,398 HKD|Avg: HK$6,782 HKD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 10, 2026
Retailer 2HK$2,824 HKD
Retailer 3HK$3,280 HKD
Retailer 4HK$3,460 HKD
Retailer 5HK$3,507 HKD
NZ JewellersHK$11,259 HKD
Retailer 6HK$16,398 HKD

3 data points across 6 retailers

3 retailersHK$2,824 HKD to HK$11,259 HKD

B+
Cheapest Retailer
-
HK$2,824 HKD
$360 USD
B+
Retailer 2
-
HK$3,280 HKD
$418 USD
View
Most Expensive
B
NZ Jewellers
933e2085-3eaf-46c9-91cb-b3468be82c17 · Oct 30
HK$11,259 HKD
$1,435 USD
View
2 more retailers have this diamond
Prices start from HK$2,824 HKDSave up to HK$8,434 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.

B+
1.00ct Round
HK$2,824 HKD