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1.54ct F SI1 Round Lab Grown Diamond

EX • F/SI1 • IGI LG779639055

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779639055

Diamond specifications and retailer prices

From HK$1,567 HKD
As of November 5, 2026
Save HK$7,524 HKD (83%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$9,091 HKD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG779639055 or 779639055. Listed at 16 retailers as of November 5, 2026, with prices from HK$1,567 to HK$9,091, a HK$7,524 spread on the same certified stone. Brilliant Earth lists it at HK$9,091. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779639055
Dimensions7.37 × 7.31 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.37 mm7.31 mm1.54 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779639055
Side View
Table 58.0%Crown 34.9°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.5%

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 5
Current: HK$3,550 HKD|Low: HK$1,505 HKD|High: HK$9,193 HKD|Avg: HK$4,553 HKD
Retailer 1
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$1,567 HKD
Retailer 12HK$1,944 HKD
Retailer 10HK$2,626 HKD
Retailer 4HK$3,448 HKD
Retailer 5HK$3,519 HKD
Retailer 1HK$3,550 HKD
Retailer 11HK$4,264 HKD
Retailer 2HK$4,554 HKD
Retailer 6HK$5,721 HKD
Retailer 8HK$6,270 HKD
Retailer 3HK$6,333 HKD
Retailer 7HK$9,084 HKD

45 data points across 12 retailers

16 retailersHK$1,567 HKD to HK$9,091 HKD

A
Cheapest Retailer
-
HK$1,567 HKD
A
Retailer 2
-
HK$1,818 HKD
View
Retailer 3
-
HK$1,944 HKD
View
Price last confirmed 12 days ago
A
Retailer 4
-
HK$1,944 HKD
View
B+
Retailer 5
-
HK$2,626 HKD
View
A
Retailer 6
-
HK$3,448 HKD
View
A
Retailer 7
-
HK$3,519 HKD
View
A
Retailer 8
-
HK$3,550 HKD
View
B+
Retailer 9
-
HK$4,264 HKD
View
B+
Retailer 10
-
HK$4,554 HKD
View
B+
Retailer 11
-
HK$5,721 HKD
View
B+
Retailer 12
-
HK$6,254 HKD
View
B+
Retailer 13
-
HK$6,270 HKD
View
B+
Retailer 14
-
HK$6,333 HKD
View
B
Retailer 15
-
HK$9,084 HKD
View
Most Expensive
B
Brilliant Earth
20762835A · Nov 5
HK$9,091 HKD
$1,160 USD
View
15 more retailers have this diamond
Prices start from HK$1,567 HKDSave up to HK$7,524 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