CaratHunter
Plans
Round|Lab Grown|IGI

1.29ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG800683786

Shape and cutting style on the report: Round brilliant

Certificate IGI LG800683786

Diamond specifications and retailer prices

From HK$1,396 HKD
As of November 1, 2026
Save HK$6,704 HKD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,100 HKD at MOH London · As of November 1, 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 LG800683786 or 800683786. Listed at 14 retailers as of November 1, 2026, with prices from HK$1,396 to HK$8,100, a HK$6,704 spread on the same certified stone. MOH London lists it at HK$8,100. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800683786
Dimensions6.98 × 6.92 × 4.28 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.98 mm6.92 mm1.29 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800683786
Side View
Table 57.0%Crown 35.2°Girdle: Slightly ThickPavilion 40.3°Culet: NoneDepth 61.7%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: HK$8,100 HKD|Low: HK$1,326 HKD|High: HK$8,190 HKD|Avg: HK$3,352 HKD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
November 6, 2026
Retailer 11HK$1,396 HKD
Retailer 12HK$1,561 HKD
Retailer 6HK$1,687 HKD
Retailer 5HK$1,734 HKD
Retailer 2HK$2,973 HKD
Retailer 4HK$3,067 HKD
Retailer 10HK$3,099 HKD
Retailer 3HK$3,319 HKD
Retailer 9HK$3,421 HKD
Retailer 14HK$3,703 HKD
Retailer 7HK$3,805 HKD
Retailer 8HK$4,582 HKD
Retailer 13HK$4,864 HKD
MOH LondonHK$8,100 HKD

35 data points across 14 retailers

14 retailersHK$1,396 HKD to HK$8,100 HKD

A
Cheapest Retailer
-
HK$1,396 HKD
A
Retailer 2
-
HK$1,561 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,687 HKD
View
Price last confirmed 52 days ago
Retailer 4
-
HK$1,734 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$2,973 HKD
View
A
Retailer 6
-
HK$3,067 HKD
View
A
Retailer 7
-
HK$3,099 HKD
View
A
Retailer 8
-
HK$3,319 HKD
View
A
Retailer 9
-
HK$3,421 HKD
View
B+
Retailer 10
-
HK$3,703 HKD
View
B+
Retailer 11
-
HK$3,805 HKD
View
B+
Retailer 12
-
HK$4,582 HKD
View
B
Retailer 13
-
HK$4,864 HKD
View
Most Expensive
B
MOH London
LG800683786 · Nov 1
HK$8,100 HKD
£813 GBP
View
13 more retailers have this diamond
Prices start from HK$1,396 HKDSave up to HK$6,704 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$1,396 HKD