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1.22ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG776611628

Shape and cutting style on the report: Round brilliant

Certificate IGI LG776611628

Diamond specifications and retailer prices

From HK$2,055 HKD
As of November 6, 2026
Save HK$5,088 HKD (71%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$7,144 HKD at MOH London · As of November 2, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG776611628 or 776611628. Listed at 7 retailers as of November 2, 2026, with prices from HK$2,055 to HK$7,144, a HK$5,088 spread on the same certified stone. MOH London lists it at HK$7,144. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776611628
Dimensions6.95 × 6.92 × 4.16 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
6.95 mm6.92 mm1.22 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776611628
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°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: Nov 6
Current: HK$7,144 HKD|Low: HK$2,055 HKD|High: HK$7,223 HKD|Avg: HK$3,489 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 6HK$2,055 HKD
Retailer 2HK$2,628 HKD
Retailer 4HK$2,636 HKD
Retailer 7HK$2,926 HKD
Retailer 3HK$3,452 HKD
Retailer 5HK$3,499 HKD
MOH LondonHK$7,144 HKD

43 data points across 7 retailers

7 retailersHK$2,055 HKD to HK$7,144 HKD

B+
Cheapest Retailer
-
HK$2,055 HKD
A
Retailer 2
-
HK$2,628 HKD
View
A
Retailer 3
-
HK$2,636 HKD
View
A
Retailer 4
-
HK$2,926 HKD
View
B+
Retailer 5
-
HK$3,452 HKD
View
B+
Retailer 6
-
HK$3,499 HKD
View
Most Expensive
B
MOH London
LG776611628 · Nov 2
HK$7,144 HKD
£717 GBP
View
6 more retailers have this diamond
Prices start from HK$2,055 HKDSave up to HK$5,088 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$2,055 HKD