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Round|Lab Grown|IGI

1.21ct H VS1 Round Lab Grown Diamond

ID • H/VS1 • IGI LG783646807

Shape and cutting style on the report: Round brilliant

Certificate IGI LG783646807

Diamond specifications and retailer prices

From HK$1,585 HKD
$202 USD
As of November 3, 2026
Save HK$7,582 HKD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$9,167 HKD at MOH London · As of November 2, 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 LG783646807 or 783646807. Listed at 17 retailers as of November 2, 2026, with prices from HK$1,585 to HK$9,167, a HK$7,582 spread on the same certified stone. MOH London lists it at HK$9,167. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783646807
Dimensions6.88 × 6.86 × 4.19 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.88 mm6.86 mm1.21 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783646807
Side View
Table 57.0%Crown 33.4°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.0%

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: Nov 3
Current: HK$9,167 HKD|Low: HK$1,522 HKD|High: HK$9,277 HKD|Avg: HK$4,281 HKD|-1.1%
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
November 2, 2026
Retailer 10HK$1,585 HKD
Retailer 12HK$1,962 HKD
Retailer 5HK$3,240 HKD
Retailer 8HK$3,386 HKD
Retailer 13HK$3,397 HKD
Retailer 7HK$3,600 HKD
Retailer 3HK$3,876 HKD
Retailer 9HK$4,119 HKD
Retailer 11HK$4,708 HKD
Retailer 2HK$4,784 HKD
Retailer 6HK$5,100 HKD
Retailer 4HK$7,069 HKD
MOH LondonHK$9,167 HKD

29 data points across 13 retailers

17 retailersHK$1,585 HKD to HK$9,167 HKD

A
Cheapest Retailer
-
HK$1,585 HKD
$202 USD
A
Retailer 2
-
HK$1,836 HKD
$234 USD
View
Retailer 3
-
HK$1,962 HKD
$250 USD
View
Price last confirmed 9 days ago
A
Retailer 4
-
HK$1,962 HKD
$250 USD
View
A
Retailer 5
-
HK$3,240 HKD
$413 USD
View
A
Retailer 6
-
HK$3,386 HKD
ZAR 6,971 ZAR
View
A
Retailer 7
-
HK$3,397 HKD
$433 USD
View
B+
Retailer 8
-
HK$3,600 HKD
€437 EUR
View
B+
Retailer 9
-
HK$3,876 HKD
$494 USD
View
B+
Retailer 10
-
HK$4,119 HKD
$525 USD
View
B+
Retailer 11
-
HK$4,708 HKD
$600 USD
View
B+
Retailer 12
-
HK$4,784 HKD
A$938 AUD
View
B+
Retailer 13
-
HK$5,100 HKD
$650 USD
View
B
Retailer 14
-
HK$6,300 HKD
$803 USD
View
B
Retailer 15
-
HK$6,723 HKD
$857 USD
View
B
Retailer 16
-
HK$7,210 HKD
$919 USD
View
Most Expensive
B
MOH London
LG783646807 · Nov 2
HK$9,167 HKD
£920 GBP
View
16 more retailers have this diamond
Prices start from HK$1,585 HKDSave up to HK$7,582 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$1,585 HKD