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1.22ct I SI1 Round Lab Grown Diamond

EX • I/SI1 • IGI LG447001343

Shape and cutting style on the report: Round brilliant

Certificate IGI LG447001343

Diamond specifications and retailer prices

From HK$4,707 HKD
As of November 5, 2026
Save HK$31,340 HKD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$36,048 HKD at MOH London · As of November 5, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001343 or 447001343. Listed at 13 retailers as of November 5, 2026, with prices from HK$4,707 to HK$36,048, a HK$31,340 spread on the same certified stone. MOH London lists it at HK$36,048. 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
I
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001343
Dimensions6.82 × 6.78 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
6.82 mm6.78 mm1.22 ctI / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001343
Side View
Table 56.5%Crown 35.9°Girdle: MediumPavilion 41°Culet: NoneDepth 62.9%

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 5
Current: HK$36,048 HKD|Low: HK$4,707 HKD|High: HK$36,625 HKD|Avg: HK$16,679 HKD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 5HK$4,707 HKD
Retailer 6HK$10,913 HKD
Retailer 11HK$11,870 HKD
Retailer 10HK$12,215 HKD
Retailer 7HK$12,654 HKD
Retailer 9HK$12,654 HKD
Retailer 2HK$16,467 HKD
Retailer 8HK$19,974 HKD
Retailer 4HK$21,449 HKD
Retailer 3HK$23,716 HKD
MOH LondonHK$36,048 HKD

46 data points across 11 retailers

13 retailersHK$4,707 HKD to HK$36,048 HKD

A
Cheapest Retailer
-
HK$4,707 HKD
B+
Retailer 2
-
HK$10,913 HKD
View
B+
Retailer 3
-
HK$11,870 HKD
View
B+
Retailer 4
-
HK$12,215 HKD
View
Final sale: no returns
Retailer 5
-
HK$12,654 HKD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
HK$12,654 HKD
View
B
Retailer 7
-
HK$14,004 HKD
View
B+
Retailer 8
-
HK$16,467 HKD
View
B
Retailer 9
-
HK$19,974 HKD
View
B
Retailer 10
-
HK$21,449 HKD
View
B
Retailer 11
-
HK$22,963 HKD
View
B
Retailer 12
-
HK$23,716 HKD
View
Most Expensive
B
MOH London
LG447001343 · Nov 5
HK$36,048 HKD
£3,618 GBP
View
12 more retailers have this diamond
Prices start from HK$4,707 HKDSave up to HK$31,340 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$4,707 HKD