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1.20ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG602308624

Shape and cutting style on the report: Round brilliant

Certificate IGI LG602308624

Diamond specifications and retailer prices

From HK$3,237 HKD
As of November 6, 2026
Save HK$5,940 HKD (65%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$9,177 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602308624 or 602308624. Listed at 2 retailers as of November 1, 2026, with prices from HK$3,237 to HK$9,177, a HK$5,940 spread on the same certified stone. MOH London lists it at HK$9,177. 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

1.20
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602308624
Dimensions6.77 × 6.71 × 4.22 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
6.77 mm6.71 mm1.20 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602308624
Side View
Table 56.0%Crown 36.1°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$9,177 HKD|Low: HK$2,931 HKD|High: HK$9,287 HKD|Avg: HK$4,846 HKD|+1.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 4, 2026
Retailer 2HK$3,237 HKD
Retailer 4HK$3,401 HKD
Retailer 5HK$3,543 HKD
Retailer 7HK$4,122 HKD
Retailer 6HK$4,224 HKD
Retailer 3HK$5,494 HKD
Retailer 8HK$5,682 HKD
MOH LondonHK$9,177 HKD

10 data points across 8 retailers

2 retailersHK$3,237 HKD to HK$9,177 HKD

B+
Cheapest Retailer
-
HK$3,237 HKD
Most Expensive
B
MOH London
LG602308624 · Nov 1
HK$9,177 HKD
£922 GBP
View
1 more retailer has this diamond
Prices start from HK$3,237 HKDSave up to HK$5,940 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+
1.20ct Round
HK$3,237 HKD