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1.29ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG766644317

Shape and cutting style on the report: Round brilliant

Certificate IGI LG766644317

Diamond specifications and retailer prices

From HK$2,895 HKD
As of November 3, 2026
Save HK$5,066 HKD (64%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$7,961 HKD at MOH London · As of November 2, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG766644317 or 766644317. Listed at 10 retailers as of November 2, 2026, with prices from HK$2,895 to HK$7,961, a HK$5,066 spread on the same certified stone. MOH London lists it at HK$7,961. 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
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG766644317
Dimensions6.94 × 6.89 × 4.35 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 High Pressure High Temperature (HPHT) growth process Type II
Top View
6.94 mm6.89 mm1.29 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG766644317
Side View
Table 57.0%Crown 36.4°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 62.9%

Caratlytics Score

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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 3
Current: HK$7,961 HKD|Low: HK$847 HKD|High: HK$8,190 HKD|Avg: HK$3,654 HKD|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 4, 2026
Retailer 3HK$847 HKD
Retailer 7HK$1,702 HKD
Retailer 4HK$2,895 HKD
Retailer 9HK$3,028 HKD
Retailer 6HK$3,036 HKD
Retailer 10HK$3,311 HKD
Retailer 8HK$3,672 HKD
Retailer 2HK$3,805 HKD
Retailer 5HK$4,472 HKD
Retailer 11HK$4,864 HKD
MOH LondonHK$7,961 HKD

34 data points across 11 retailers

10 retailersHK$2,895 HKD to HK$7,961 HKD

Retailer 1
-
HK$1,702 HKD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$2,895 HKD
View
B+
Retailer 3
-
HK$3,028 HKD
View
A
Retailer 4
-
HK$3,036 HKD
View
A
Retailer 5
-
HK$3,311 HKD
View
B+
Retailer 6
-
HK$3,672 HKD
View
B+
Retailer 7
-
HK$3,805 HKD
View
B
Retailer 8
-
HK$4,472 HKD
View
B
Retailer 9
-
HK$4,864 HKD
View
Most Expensive
B
MOH London
LG766644317 · Nov 2
HK$7,961 HKD
£799 GBP
View
9 more retailers have this diamond
Prices start from HK$2,895 HKDSave up to HK$5,066 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$2,895 HKD