CaratHunter
Plans
Round|Lab Grown|IGI

1.21ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG754510328

Shape and cutting style on the report: Round brilliant

Certificate IGI LG754510328

Diamond specifications and retailer prices

From HK$4,786 HKD
$610 USD
As of October 28, 2026
15 retailers carry this diamond
Most expensive: HK$7,354 HKD at MOH London · As of October 26, 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 H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG754510328 or 754510328. Listed at 15 retailers as of October 28, 2026. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754510328
Dimensions6.79 × 6.75 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.79 mm6.75 mm1.21 ctH / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG754510328
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: HK$7,354 HKD|Low: HK$1,263 HKD|High: HK$7,433 HKD|Avg: HK$4,154 HKD
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
Retailer 15
October 26, 2026
Retailer 8HK$1,263 HKD
Retailer 13HK$1,483 HKD
Retailer 3HK$1,585 HKD
Retailer 11HK$1,585 HKD
Retailer 14HK$2,684 HKD
Retailer 10HK$2,840 HKD
Retailer 12HK$2,941 HKD
Retailer 6HK$3,131 HKD
Retailer 2HK$3,531 HKD
Retailer 5HK$4,786 HKD
Retailer 4HK$5,108 HKD
Retailer 15HK$5,390 HKD
Retailer 9HK$5,478 HKD
Retailer 7HK$6,991 HKD
MOH LondonHK$7,354 HKD

26 data points across 15 retailers

15 retailers

Retailer 1
-
HK$1,263 HKD
$161 USD
Price last confirmed 8 days ago
Retailer 2
-
HK$1,483 HKD
$189 USD
View
Price last confirmed 10 days ago
Retailer 3
-
HK$1,585 HKD
$202 USD
View
Price last confirmed 11 days ago
Retailer 4
-
HK$1,585 HKD
$202 USD
View
Price last confirmed 9 days ago
Retailer 5
-
HK$2,684 HKD
ZAR 5,527 ZAR
View
Price last confirmed 11 days ago
Retailer 6
-
HK$2,840 HKD
$362 USD
View
Price last confirmed 9 days ago
Retailer 7
-
HK$2,941 HKD
€357 EUR
View
Price last confirmed 7 days ago
Retailer 8
-
HK$3,131 HKD
$399 USD
View
Price last confirmed 8 days ago
Retailer 9
-
HK$3,531 HKD
$450 USD
View
Price last confirmed 8 days ago
Retailer 10
-
HK$4,001 HKD
$510 USD
View
Price last confirmed 13 days ago
B
Retailer 11
-
HK$4,786 HKD
$610 USD
View
Retailer 12
-
HK$5,108 HKD
$651 USD
View
Price last confirmed 10 days ago
Retailer 13
-
HK$5,390 HKD
$687 USD
View
Price last confirmed 8 days ago
Retailer 14
-
HK$5,478 HKD
$698 USD
View
Price last confirmed 8 days ago
Most Expensive
MOH London
LG754510328 · Oct 26
HK$7,354 HKD
£738 GBP
View
Price last confirmed 8 days ago
14 more retailers have this diamond
Prices start from HK$4,786 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
1.21ct Round
HK$4,786 HKD