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1.29ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG816613930

Shape and cutting style on the report: Round brilliant

Certificate IGI LG816613930

Diamond specifications and retailer prices

From HK$1,365 HKD
As of November 5, 2026
Save HK$6,536 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$7,901 HKD at MOH London · As of November 5, 2026
View at MOH London

About this 1.29ct lab-grown round diamond

This 1.29ct 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 LG816613930 or 816613930. Listed at 16 retailers as of November 5, 2026, with prices from HK$1,365 to HK$7,901, a HK$6,536 spread on the same certified stone. MOH London lists it at HK$7,901. 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

1.29
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816613930
Dimensions7.00 × 6.95 × 4.27 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.00 mm6.95 mm1.29 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816613930
Side View
Table 58.0%Crown 34.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

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$7,901 HKD|Low: HK$1,365 HKD|High: HK$8,011 HKD|Avg: HK$3,726 HKD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 7HK$1,365 HKD
Retailer 9HK$1,695 HKD
Retailer 2HK$2,903 HKD
Retailer 4HK$2,989 HKD
Retailer 10HK$3,013 HKD
Retailer 5HK$3,373 HKD
Retailer 3HK$3,750 HKD
Retailer 6HK$4,315 HKD
Retailer 8HK$4,629 HKD
MOH LondonHK$7,901 HKD

45 data points across 10 retailers

16 retailersHK$1,365 HKD to HK$7,901 HKD

A
Cheapest Retailer
-
HK$1,365 HKD
A
Retailer 2
-
HK$1,585 HKD
View
Retailer 3
-
HK$1,695 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$1,695 HKD
View
A
Retailer 5
-
HK$2,903 HKD
View
A
Retailer 6
-
HK$2,989 HKD
View
B+
Retailer 7
-
HK$3,013 HKD
View
A
Retailer 8
-
HK$3,373 HKD
View
B+
Retailer 9
-
HK$3,624 HKD
View
A
Retailer 10
-
HK$3,750 HKD
View
B+
Retailer 11
-
HK$4,315 HKD
View
B+
Retailer 12
-
HK$4,629 HKD
View
B+
Retailer 13
-
HK$5,256 HKD
View
B
Retailer 14
-
HK$5,445 HKD
View
B+
Retailer 15
-
HK$5,868 HKD
View
Most Expensive
B
MOH London
LG816613930 · Nov 5
HK$7,901 HKD
£793 GBP
View
15 more retailers have this diamond
Prices start from HK$1,365 HKDSave up to HK$6,536 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
1.29ct Round
HK$1,365 HKD