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1.25ct D SI1 Round Lab Grown Diamond

VG • D/SI1 • IGI LG784643984

Shape and cutting style on the report: Round brilliant

Certificate IGI LG784643984

Diamond specifications and retailer prices

From HK$1,342 HKD
As of November 1, 2026
Save HK$6,460 HKD (83%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$7,801 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 very-good cut grade and certified by IGI LG784643984 or 784643984. Listed at 11 retailers as of November 1, 2026, with prices from HK$1,342 to HK$7,801, a HK$6,460 spread on the same certified stone. MOH London lists it at HK$7,801. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.25
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.9°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784643984
Dimensions6.84 × 6.76 × 4.27 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
6.84 mm6.76 mm1.25 ctD / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG784643984
Side View
Table 59.0%Crown 38.9°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 62.7%

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 1
Current: HK$7,801 HKD|Low: HK$808 HKD|High: HK$7,891 HKD|Avg: HK$3,039 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
November 4, 2026
Retailer 4HK$808 HKD
Retailer 8HK$1,342 HKD
Retailer 9HK$1,506 HKD
Retailer 3HK$1,671 HKD
Retailer 5HK$2,840 HKD
Retailer 6HK$2,965 HKD
Retailer 12HK$2,973 HKD
Retailer 11HK$3,138 HKD
Retailer 10HK$3,632 HKD
Retailer 2HK$3,805 HKD
Retailer 7HK$4,338 HKD
MOH LondonHK$7,801 HKD

34 data points across 12 retailers

11 retailersHK$1,342 HKD to HK$7,801 HKD

A
Cheapest Retailer
-
HK$1,342 HKD
A
Retailer 2
-
HK$1,506 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,671 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$2,840 HKD
View
B+
Retailer 5
-
HK$2,965 HKD
View
B+
Retailer 6
-
HK$2,973 HKD
View
B+
Retailer 7
-
HK$3,138 HKD
View
B+
Retailer 8
-
HK$3,632 HKD
View
B+
Retailer 9
-
HK$3,805 HKD
View
B
Retailer 10
-
HK$4,338 HKD
View
Most Expensive
B
MOH London
LG784643984 · Nov 2
HK$7,801 HKD
£783 GBP
View
10 more retailers have this diamond
Prices start from HK$1,342 HKDSave up to HK$6,460 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$1,342 HKD