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1.25ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG777606396

Shape and cutting style on the report: Round brilliant

Certificate IGI LG777606396

Diamond specifications and retailer prices

From HK$2,236 HKD
As of November 4, 2026
Save HK$5,476 HKD (71%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: HK$7,712 HKD at MOH London · As of November 2, 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 LG777606396 or 777606396. Listed at 9 retailers as of November 2, 2026, with prices from HK$2,236 to HK$7,712, a HK$5,476 spread on the same certified stone. MOH London lists it at HK$7,712. 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 angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG777606396
Dimensions6.99 × 6.98 × 4.17 mm
L/W Ratio1.00
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
6.99 mm6.98 mm1.25 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG777606396
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°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 4
Current: HK$7,712 HKD|Low: HK$2,236 HKD|High: HK$7,801 HKD|Avg: HK$4,314 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 4, 2026
Retailer 7HK$2,236 HKD
Retailer 2HK$2,903 HKD
Retailer 3HK$3,075 HKD
Retailer 5HK$3,687 HKD
Retailer 6HK$4,205 HKD
Retailer 4HK$6,355 HKD
MOH LondonHK$7,712 HKD

39 data points across 7 retailers

9 retailersHK$2,236 HKD to HK$7,712 HKD

B+
Cheapest Retailer
-
HK$2,236 HKD
A
Retailer 2
-
HK$2,903 HKD
View
Retailer 3
-
HK$3,075 HKD
View
Price last confirmed 8 days ago
A
Retailer 4
-
HK$3,130 HKD
View
B+
Retailer 5
-
HK$3,687 HKD
View
B+
Retailer 6
-
HK$4,205 HKD
View
B
Retailer 7
-
HK$5,727 HKD
View
B
Retailer 8
-
HK$6,355 HKD
View
Most Expensive
B
MOH London
LG777606396 · Nov 2
HK$7,712 HKD
£774 GBP
View
8 more retailers have this diamond
Prices start from HK$2,236 HKDSave up to HK$5,476 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$2,236 HKD