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Round|Lab Grown|IGI

1.00ct J VVS1 Round Lab Grown Diamond

ID • J/VVS1 • IGI LG821638240

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821638240

Diamond specifications and retailer prices

From HK$1,051 HKD
As of November 5, 2026
Save HK$9,829 HKD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$10,880 HKD at MOH London · As of November 5, 2026
View at MOH London

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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821638240 or 821638240. Listed at 13 retailers as of November 5, 2026, with prices from HK$1,051 to HK$10,880, a HK$9,829 spread on the same certified stone. MOH London lists it at HK$10,880. 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
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638240
Dimensions6.43 × 6.39 × 3.89 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Light Blue
Top View
6.43 mm6.39 mm1.00 ctJ / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638240
Side View
Table 60.0%Crown 34.5°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.7%

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: Nov 5
Current: HK$10,880 HKD|Low: HK$1,051 HKD|High: HK$11,039 HKD|Avg: HK$3,382 HKD|-0.3%
MOH London
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
November 6, 2026
Retailer 13HK$1,051 HKD
Retailer 3HK$1,177 HKD
Retailer 12HK$1,224 HKD
Retailer 9HK$1,310 HKD
Retailer 14HK$1,310 HKD
Retailer 8HK$1,569 HKD
Retailer 7HK$2,252 HKD
Retailer 2HK$2,456 HKD
Retailer 4HK$3,232 HKD
Retailer 5HK$3,742 HKD
Retailer 11HK$4,197 HKD
Retailer 10HK$4,440 HKD
Retailer 6HK$4,637 HKD
MOH LondonHK$10,880 HKD

21 data points across 14 retailers

13 retailersHK$1,051 HKD to HK$10,880 HKD

A
Cheapest Retailer
-
HK$1,051 HKD
A
Retailer 2
-
HK$1,177 HKD
View
Final sale: no returns
A
Retailer 3
-
HK$1,224 HKD
View
Retailer 4
-
HK$1,310 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$1,310 HKD
View
A
Retailer 6
-
HK$2,252 HKD
View
A
Retailer 7
-
HK$2,456 HKD
View
A
Retailer 8
-
HK$3,232 HKD
View
A
Retailer 9
-
HK$3,742 HKD
View
A
Retailer 10
-
HK$4,197 HKD
View
B+
Retailer 11
-
HK$4,440 HKD
View
B+
Retailer 12
-
HK$4,637 HKD
View
Most Expensive
B
MOH London
LG821638240 · Nov 5
HK$10,880 HKD
£1,092 GBP
View
12 more retailers have this diamond
Prices start from HK$1,051 HKDSave up to HK$9,829 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
1.00ct Round
HK$1,051 HKD