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Round|Lab Grown|IGI

1.22ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG660459228

Certificate IGI LG660459228

Diamond specifications and retailer prices

From HK$6,276 HKD
As of November 4, 2026
Save HK$4,158 HKD (40%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$10,434 HKD at Jared · As of November 4, 2026
View at Jared

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 LG660459228 or 660459228. Listed at 3 retailers as of November 4, 2026, with prices from HK$6,276 to HK$10,434, a HK$4,158 spread on the same certified stone. Jared lists it at HK$10,434. 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
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459228
Dimensions6.88 × 6.93 mm
L/W Ratio1.01
Top View
6.88 mm6.93 mm1.22 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459228
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.6%

Caratlytics Score

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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: Nov 4
Current: HK$10,434 HKD|Low: HK$6,276 HKD|High: HK$10,434 HKD|Avg: HK$8,130 HKD
Jared
Retailer 2
Retailer 3
July 10, 2026
Retailer 2HK$6,276 HKD
Retailer 3HK$6,276 HKD
JaredHK$10,434 HKD

9 data points across 3 retailers

3 retailersHK$6,276 HKD to HK$10,434 HKD

B
Cheapest Retailer
-
HK$6,276 HKD
B
Retailer 2
-
HK$6,276 HKD
View
Most Expensive
B
Jared
154529048 · Nov 4
HK$10,434 HKD
$1,330 USD
View
2 more retailers have this diamond
Prices start from HK$6,276 HKDSave up to HK$4,158 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
1.22ct Round
HK$6,276 HKD