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Round|Lab Grown|IGI

1.23ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG741564265

Shape and cutting style on the report: Round brilliant

Certificate IGI LG741564265

Diamond specifications and retailer prices

From HK$1,191 HKD
As of November 1, 2026
Save HK$5,726 HKD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$6,918 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.23ct lab-grown round diamond

This 1.23ct lab-grown round sits in the classic one-carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG741564265 or 741564265. Listed at 12 retailers as of November 1, 2026, with prices from HK$1,191 to HK$6,918, a HK$5,726 spread on the same certified stone. MOH London lists it at HK$6,918. 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

1.23
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741564265
Dimensions6.88 × 6.80 × 4.19 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
6.88 mm6.80 mm1.23 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741564265
Side View
Table 62.0%Crown 37.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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 1
Current: HK$6,918 HKD|Low: HK$1,191 HKD|High: HK$7,356 HKD|Avg: HK$3,349 HKD|-6.0%
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 6, 2026
Retailer 9HK$1,191 HKD
Retailer 10HK$1,332 HKD
Retailer 4HK$1,528 HKD
Retailer 7HK$2,571 HKD
Retailer 2HK$2,673 HKD
Retailer 3HK$2,712 HKD
Retailer 12HK$2,947 HKD
Retailer 11HK$3,456 HKD
Retailer 5HK$3,488 HKD
Retailer 6HK$3,966 HKD
Retailer 8HK$4,311 HKD
MOH LondonHK$6,918 HKD

37 data points across 12 retailers

12 retailersHK$1,191 HKD to HK$6,918 HKD

A
Cheapest Retailer
-
HK$1,191 HKD
A
Retailer 2
-
HK$1,332 HKD
View
Final sale: no returns
Retailer 3
-
HK$1,528 HKD
View
Price last confirmed 13 days ago
A
Retailer 4
-
HK$2,571 HKD
View
B+
Retailer 5
-
HK$2,673 HKD
View
B+
Retailer 6
-
HK$2,712 HKD
View
A
Retailer 7
-
HK$2,947 HKD
View
B+
Retailer 8
-
HK$3,456 HKD
View
B+
Retailer 9
-
HK$3,488 HKD
View
B
Retailer 10
-
HK$3,966 HKD
View
B
Retailer 11
-
HK$4,311 HKD
View
Most Expensive
B
MOH London
LG741564265 · Nov 1
HK$6,918 HKD
£695 GBP
View
11 more retailers have this diamond
Prices start from HK$1,191 HKDSave up to HK$5,726 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
1.23ct Round
HK$1,191 HKD