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1.54ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG787620025

Shape and cutting style on the report: Round brilliant

Certificate IGI LG787620025

Diamond specifications and retailer prices

From HK$1,567 HKD
As of November 1, 2026
Save HK$7,520 HKD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$9,088 HKD at MOH London · As of November 2, 2026
View at MOH London

About this 1.54ct lab-grown round diamond

This 1.54ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG787620025 or 787620025. Listed at 13 retailers as of November 1, 2026, with prices from HK$1,567 to HK$9,088, a HK$7,520 spread on the same certified stone. MOH London lists it at HK$9,088. 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

1.54
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787620025
Dimensions7.42 × 7.37 × 4.57 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
7.42 mm7.37 mm1.54 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787620025
Side View
Table 56.0%Crown 35.4°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 61.8%

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$9,088 HKD|Low: HK$1,520 HKD|High: HK$11,678 HKD|Avg: HK$4,322 HKD|-1.2%
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
November 6, 2026
Retailer 11HK$1,567 HKD
Retailer 12HK$1,756 HKD
Retailer 5HK$1,920 HKD
Retailer 4HK$1,944 HKD
Retailer 2HK$3,292 HKD
Retailer 3HK$3,378 HKD
Retailer 8HK$3,550 HKD
Retailer 7HK$3,566 HKD
Retailer 13HK$3,966 HKD
Retailer 6HK$5,212 HKD
Retailer 10HK$6,035 HKD
Retailer 9HK$8,856 HKD
MOH LondonHK$9,088 HKD

35 data points across 13 retailers

13 retailersHK$1,567 HKD to HK$9,088 HKD

A
Cheapest Retailer
-
HK$1,567 HKD
Retailer 2
-
HK$1,920 HKD
View
Price last confirmed 52 days ago
Retailer 3
-
HK$1,944 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$3,292 HKD
View
B+
Retailer 5
-
HK$3,378 HKD
View
A
Retailer 6
-
HK$3,448 HKD
View
A
Retailer 7
-
HK$3,550 HKD
View
A
Retailer 8
-
HK$3,566 HKD
View
A
Retailer 9
-
HK$3,966 HKD
View
B+
Retailer 10
-
HK$5,212 HKD
View
Retailer 11
-
HK$6,035 HKD
View
Price last confirmed 16 days ago
B
Retailer 12
-
HK$8,856 HKD
View
Most Expensive
B
MOH London
LG787620025 · Nov 2
HK$9,088 HKD
£913 GBP
View
12 more retailers have this diamond
Prices start from HK$1,567 HKDSave up to HK$7,520 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
1.54ct Round
HK$1,567 HKD