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1.22ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG779630515

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779630515

Diamond specifications and retailer prices

From HK$2,103 HKD
As of November 6, 2026
Save HK$5,101 HKD (71%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: HK$7,204 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.22ct lab-grown round diamond

This 1.22ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG779630515 or 779630515. Listed at 6 retailers as of November 4, 2026, with prices from HK$2,103 to HK$7,204, a HK$5,101 spread on the same certified stone. MOH London lists it at HK$7,204. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.22
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779630515
Dimensions6.84 × 6.87 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.84 mm6.87 mm1.22 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779630515
Side View
Table 57.0%Crown 34°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.4%

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 6
Current: HK$7,204 HKD|Low: HK$769 HKD|High: HK$7,821 HKD|Avg: HK$3,618 HKD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 6HK$2,103 HKD
Retailer 2HK$2,589 HKD
Retailer 3HK$2,683 HKD
Retailer 4HK$2,981 HKD
Retailer 5HK$3,515 HKD
MOH LondonHK$7,204 HKD

44 data points across 6 retailers

6 retailersHK$2,103 HKD to HK$7,204 HKD

B+
Cheapest Retailer
-
HK$2,103 HKD
A
Retailer 2
-
HK$2,589 HKD
View
A
Retailer 3
-
HK$2,683 HKD
View
A
Retailer 4
-
HK$2,981 HKD
View
B+
Retailer 5
-
HK$3,515 HKD
View
Most Expensive
B
MOH London
LG779630515 · Nov 4
HK$7,204 HKD
£723 GBP
View
5 more retailers have this diamond
Prices start from HK$2,103 HKDSave up to HK$5,101 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
1.22ct Round
HK$2,103 HKD