CaratHunter
Plans
Round|Lab Grown|IGI

1.21ct J VS1 Round Lab Grown Diamond

EX • J/VS1 • IGI LG480171498

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480171498

Diamond specifications and retailer prices

From HK$5,414 HKD
$690 USD
As of October 31, 2026
Save HK$31,772 HKD (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$37,186 HKD at MOH London · As of October 27, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG480171498 or 480171498. Listed at 12 retailers as of October 27, 2026, with prices from HK$5,414 to HK$37,186, a HK$31,772 spread on the same certified stone. MOH London lists it at HK$37,186. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle31.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480171498
Dimensions6.97 × 6.93 × 4.16 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
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
6.97 mm6.93 mm1.21 ctJ / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480171498
Side View
Table 55.0%Crown 31.5°Girdle: MediumPavilion 40.5°Culet: NoneDepth 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 31
Current: HK$37,186 HKD|Low: HK$5,414 HKD|High: HK$37,634 HKD|Avg: HK$18,539 HKD|+0.1%
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
October 30, 2026
Retailer 2HK$5,414 HKD
Retailer 7HK$9,964 HKD
Retailer 11HK$11,157 HKD
Retailer 8HK$11,557 HKD
Retailer 10HK$11,557 HKD
Retailer 12HK$12,906 HKD
Retailer 13HK$15,888 HKD
Retailer 9HK$18,304 HKD
Retailer 6HK$21,249 HKD
Retailer 3HK$21,544 HKD
Retailer 5HK$25,871 HKD
Retailer 4HK$33,101 HKD
MOH LondonHK$37,186 HKD

21 data points across 13 retailers

12 retailersHK$5,414 HKD to HK$37,186 HKD

A
Cheapest Retailer
-
HK$5,414 HKD
$690 USD
B+
Retailer 2
-
HK$9,964 HKD
$1,270 USD
View
B+
Retailer 3
-
HK$10,843 HKD
$1,382 USD
View
B+
Retailer 4
-
HK$11,157 HKD
$1,422 USD
View
Final sale: no returns
Retailer 5
-
HK$11,557 HKD
$1,473 USD
View
Price last confirmed 19 days ago
B
Retailer 6
-
HK$11,557 HKD
$1,473 USD
View
B+
Retailer 7
-
HK$12,906 HKD
$1,645 USD
View
B
Retailer 8
-
HK$18,304 HKD
$2,333 USD
View
B
Retailer 9
-
HK$21,249 HKD
ZAR 43,754 ZAR
View
B
Retailer 10
-
HK$21,544 HKD
$2,746 USD
View
B
Retailer 11
-
HK$21,670 HKD
$2,762 USD
View
Most Expensive
B
MOH London
LG480171498 · Oct 27
HK$37,186 HKD
£3,732 GBP
View
11 more retailers have this diamond
Prices start from HK$5,414 HKDSave up to HK$31,772 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$5,414 HKD