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1.54ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621455497

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621455497

Diamond specifications and retailer prices

From HK$1,687 HKD
As of November 3, 2026
Save HK$6,683 HKD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$8,369 HKD at MOH London · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621455497 or 621455497. Listed at 14 retailers as of November 3, 2026, with prices from HK$1,687 to HK$8,369, a HK$6,683 spread on the same certified stone. MOH London lists it at HK$8,369. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621455497
Dimensions7.48 × 7.42 × 4.52 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.48 mm7.42 mm1.54 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621455497
Side View
Table 58.0%Crown 34°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.7%

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 3
Current: HK$8,369 HKD|Low: HK$1,459 HKD|High: HK$8,549 HKD|Avg: HK$4,190 HKD|-2.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
November 5, 2026
Retailer 12HK$1,687 HKD
Retailer 10HK$1,961 HKD
Retailer 9HK$2,095 HKD
Retailer 15HK$2,095 HKD
Retailer 8HK$3,248 HKD
Retailer 4HK$3,468 HKD
Retailer 5HK$3,585 HKD
Retailer 14HK$3,624 HKD
Retailer 2HK$3,828 HKD
Retailer 3HK$4,684 HKD
Retailer 13HK$6,731 HKD
Retailer 11HK$6,755 HKD
Retailer 7HK$6,982 HKD
Retailer 6HK$7,367 HKD
MOH LondonHK$8,369 HKD

38 data points across 15 retailers

14 retailersHK$1,687 HKD to HK$8,369 HKD

A
Cheapest Retailer
-
HK$1,687 HKD
A
Retailer 2
-
HK$1,961 HKD
View
A
Retailer 3
-
HK$2,095 HKD
View
Retailer 4
-
HK$2,095 HKD
View
Price last confirmed 12 days ago
A
Retailer 5
-
HK$3,248 HKD
View
A
Retailer 6
-
HK$3,468 HKD
View
B+
Retailer 7
-
HK$3,585 HKD
View
B+
Retailer 8
-
HK$3,828 HKD
View
B+
Retailer 9
-
HK$4,684 HKD
View
B
Retailer 10
-
HK$6,731 HKD
View
B
Retailer 11
-
HK$6,755 HKD
View
B
Retailer 12
-
HK$6,982 HKD
View
B
Retailer 13
-
HK$7,367 HKD
View
Most Expensive
B
MOH London
LG621455497 · Nov 5
HK$8,369 HKD
£840 GBP
View
13 more retailers have this diamond
Prices start from HK$1,687 HKDSave up to HK$6,683 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$1,687 HKD