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1.26ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG720547128

Shape and cutting style on the report: Round brilliant

Certificate IGI LG720547128

Diamond specifications and retailer prices

From HK$1,263 HKD
As of November 5, 2026
Save HK$6,050 HKD (83%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$7,313 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.26ct lab-grown round diamond

This 1.26ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG720547128 or 720547128. Listed at 19 retailers as of November 4, 2026, with prices from HK$1,263 to HK$7,313, a HK$6,050 spread on the same certified stone. MOH London lists it at HK$7,313. 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

1.26
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720547128
Dimensions7.07 × 7.03 × 4.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.07 mm7.03 mm1.26 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720547128
Side View
Table 59.0%Crown 34°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 59.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: HK$7,313 HKD|Low: HK$1,216 HKD|High: HK$7,453 HKD|Avg: HK$3,369 HKD|-0.3%
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 8HK$1,263 HKD
Retailer 3HK$1,569 HKD
Retailer 9HK$1,569 HKD
Retailer 4HK$2,714 HKD
Retailer 2HK$2,722 HKD
Retailer 10HK$2,840 HKD
Retailer 6HK$3,295 HKD
Retailer 11HK$3,546 HKD
Retailer 7HK$4,119 HKD
Retailer 5HK$4,472 HKD
MOH LondonHK$7,313 HKD

44 data points across 11 retailers

19 retailersHK$1,263 HKD to HK$7,313 HKD

A
Cheapest Retailer
-
HK$1,263 HKD
A
Retailer 2
-
HK$1,467 HKD
View
Retailer 3
-
HK$1,569 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$1,569 HKD
View
A
Retailer 5
-
HK$2,714 HKD
View
A
Retailer 6
-
HK$2,722 HKD
View
B+
Retailer 7
-
HK$2,840 HKD
View
A
Retailer 8
-
HK$3,295 HKD
View
B+
Retailer 9
-
HK$3,444 HKD
View
B+
Retailer 10
-
HK$3,546 HKD
View
B+
Retailer 11
-
HK$3,687 HKD
View
Retailer 12
-
HK$3,766 HKD
View
Price last confirmed 16 days ago
B+
Retailer 13
-
HK$4,119 HKD
View
B+
Retailer 14
-
HK$4,472 HKD
View
B+
Retailer 15
-
HK$4,472 HKD
View
B+
Retailer 16
-
HK$4,621 HKD
View
B+
Retailer 17
-
HK$5,044 HKD
View
B
Retailer 18
-
HK$5,468 HKD
View
Most Expensive
B
MOH London
LG720547128 · Nov 4
HK$7,313 HKD
£734 GBP
View
18 more retailers have this diamond
Prices start from HK$1,263 HKDSave up to HK$6,050 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
1.26ct Round
HK$1,263 HKD