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Round|Lab Grown|IGI

1.21ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG660459176

Certificate IGI LG660459176

Diamond specifications and retailer prices

From HK$6,119 HKD
As of November 4, 2026
Save HK$4,236 HKD (41%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$10,356 HKD at Jared · As of November 4, 2026
View at Jared

About this 1.21ct lab-grown round diamond

This 1.21ct lab-grown round sits in the classic one-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660459176 or 660459176. Listed at 3 retailers as of November 4, 2026, with prices from HK$6,119 to HK$10,356, a HK$4,236 spread on the same certified stone. Jared lists it at HK$10,356. 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

1.21
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG660459176
Dimensions6.90 × 6.93 mm
L/W Ratio1.00
Top View
6.90 mm6.93 mm1.21 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660459176
Side View
Table 58.0%CrownGirdle: MediumPavilionCulet: NoneDepth 59.9%

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$10,356 HKD|Low: HK$6,119 HKD|High: HK$10,356 HKD|Avg: HK$8,115 HKD
Jared
Retailer 2
Retailer 3
April 27, 2026
Retailer 2HK$6,119 HKD
Retailer 3HK$6,119 HKD
JaredHK$10,356 HKD

7 data points across 3 retailers

3 retailersHK$6,119 HKD to HK$10,356 HKD

B
Cheapest Retailer
-
HK$6,119 HKD
B
Retailer 2
-
HK$6,119 HKD
View
Most Expensive
B
Jared
154541438 · Nov 4
HK$10,356 HKD
$1,320 USD
View
2 more retailers have this diamond
Prices start from HK$6,119 HKDSave up to HK$4,236 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
1.21ct Round
HK$6,119 HKD