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1.25ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG805675956

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805675956

Diamond specifications and retailer prices

From HK$2,785 HKD
As of November 5, 2026
Save HK$4,648 HKD (63%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: HK$7,433 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 1.25ct lab-grown round diamond

This 1.25ct 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 LG805675956 or 805675956. Listed at 8 retailers as of November 4, 2026, with prices from HK$2,785 to HK$7,433, a HK$4,648 spread on the same certified stone. MOH London lists it at HK$7,433. 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

1.25
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805675956
Dimensions6.92 × 6.88 × 4.24 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
6.92 mm6.88 mm1.25 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805675956
Side View
Table 57.0%Crown 34.9°Girdle: MediumPavilion 40.5°Culet: NoneDepth 61.4%

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$7,433 HKD|Low: HK$2,667 HKD|High: HK$7,492 HKD|Avg: HK$4,094 HKD|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 2HK$2,785 HKD
Retailer 4HK$2,840 HKD
Retailer 7HK$2,871 HKD
Retailer 6HK$3,115 HKD
Retailer 3HK$3,138 HKD
Retailer 8HK$4,707 HKD
Retailer 5HK$5,413 HKD
MOH LondonHK$7,433 HKD

19 data points across 8 retailers

8 retailersHK$2,785 HKD to HK$7,433 HKD

A
Cheapest Retailer
-
HK$2,785 HKD
A
Retailer 2
-
HK$2,840 HKD
View
B+
Retailer 3
-
HK$2,871 HKD
View
A
Retailer 4
-
HK$3,115 HKD
View
A
Retailer 5
-
HK$3,138 HKD
View
B
Retailer 6
-
HK$4,707 HKD
View
B
Retailer 7
-
HK$5,413 HKD
View
Most Expensive
B
MOH London
LG805675956 · Nov 4
HK$7,433 HKD
£746 GBP
View
7 more retailers have this diamond
Prices start from HK$2,785 HKDSave up to HK$4,648 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
1.25ct Round
HK$2,785 HKD