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1.21ct J VVS1 Round Lab Grown Diamond

ID • J/VVS1 • IGI LG549283635

Shape and cutting style on the report: Round brilliant

Certificate IGI LG549283635

Diamond specifications and retailer prices

From HK$3,099 HKD
$395 USD
As of October 30, 2026
Save HK$5,111 HKD (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$8,210 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.21ct lab-grown round diamond

This 1.21ct 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 LG549283635 or 549283635. Listed at 4 retailers as of October 29, 2026, with prices from HK$3,099 to HK$8,210, a HK$5,111 spread on the same certified stone. MOH London lists it at HK$8,210. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
J
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG549283635
Dimensions6.78 × 6.82 × 4.24 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
6.78 mm6.82 mm1.21 ctJ / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG549283635
Side View
Table 55.5%Crown 35.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 62.3%

Caratlytics Score

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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 30
Current: HK$8,210 HKD|Low: HK$2,354 HKD|High: HK$9,415 HKD|Avg: HK$6,820 HKD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3HK$3,099 HKD
Retailer 4HK$5,374 HKD
Retailer 2HK$6,044 HKD
Retailer 7HK$6,355 HKD
MOH LondonHK$8,210 HKD
Retailer 5HK$9,415 HKD
Retailer 6HK$9,415 HKD

12 data points across 7 retailers

4 retailersHK$3,099 HKD to HK$8,210 HKD

A
Cheapest Retailer
-
HK$3,099 HKD
$395 USD
B+
Retailer 2
-
HK$5,374 HKD
$685 USD
View
B+
Retailer 3
-
HK$6,044 HKD
$770 USD
View
Most Expensive
B+
MOH London
LG549283635 · Oct 29
HK$8,210 HKD
£824 GBP
View
3 more retailers have this diamond
Prices start from HK$3,099 HKDSave up to HK$5,111 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
1.21ct Round
HK$3,099 HKD