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Round|Lab Grown|IGI

1.00ct J VS1 Round Lab Grown Diamond

ID • J/VS1 • IGI LG492122413

Shape and cutting style on the report: Round brilliant

Certificate IGI LG492122413

Diamond specifications and retailer prices

From HK$3,891 HKD
$496 USD
As of October 29, 2026
Save HK$16,355 HKD (81%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$20,247 HKD at MOH London · As of October 29, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG492122413 or 492122413. Listed at 13 retailers as of October 29, 2026, with prices from HK$3,891 to HK$20,247, a HK$16,355 spread on the same certified stone. MOH London lists it at HK$20,247. 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
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG492122413
Dimensions6.50 × 6.49 × 3.89 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.50 mm6.49 mm1.00 ctJ / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG492122413
Side View
Table 58.0%Crown 34.3°Girdle: THN-MEDPavilion 40.4°CuletDepth 59.9%

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: Oct 29
Current: HK$20,247 HKD|Low: HK$3,735 HKD|High: HK$20,386 HKD|Avg: HK$7,961 HKD|-0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 7HK$3,891 HKD
Retailer 8HK$4,347 HKD
Retailer 3HK$4,354 HKD
Retailer 10HK$4,825 HKD
Retailer 9HK$5,727 HKD
Retailer 5HK$5,924 HKD
Retailer 11HK$7,508 HKD
Retailer 4HK$8,292 HKD
Retailer 2HK$9,965 HKD
Retailer 6HK$12,969 HKD
MOH LondonHK$20,247 HKD

28 data points across 11 retailers

13 retailersHK$3,891 HKD to HK$20,247 HKD

A
Cheapest Retailer
-
HK$3,891 HKD
$496 USD
A
Retailer 2
-
HK$4,347 HKD
$554 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,354 HKD
$555 USD
View
A
Retailer 4
-
HK$4,825 HKD
$615 USD
View
Retailer 5
-
HK$4,825 HKD
$615 USD
View
Price last confirmed 14 days ago
B+
Retailer 6
-
HK$5,727 HKD
$730 USD
View
A
Retailer 7
-
HK$5,924 HKD
$755 USD
View
B+
Retailer 8
-
HK$7,508 HKD
$957 USD
View
B+
Retailer 9
-
HK$8,292 HKD
ZAR 17,074 ZAR
View
B+
Retailer 10
-
HK$9,965 HKD
£1,000 GBP
View
B
Retailer 11
-
HK$12,686 HKD
$1,617 USD
View
B
Retailer 12
-
HK$12,969 HKD
$1,653 USD
View
Most Expensive
B
MOH London
LG492122413 · Oct 29
HK$20,247 HKD
£2,032 GBP
View
12 more retailers have this diamond
Prices start from HK$3,891 HKDSave up to HK$16,355 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$3,891 HKD