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1.54ct J SI1 Round Lab Grown Diamond

EX • J/SI1 • IGI LG485136600

Shape and cutting style on the report: Round brilliant

Certificate IGI LG485136600

Diamond specifications and retailer prices

From HK$6,747 HKD
$860 USD
As of November 2, 2026
Save HK$28,087 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$34,834 HKD at MOH London · As of November 1, 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG485136600 or 485136600. Listed at 11 retailers as of November 1, 2026, with prices from HK$6,747 to HK$34,834, a HK$28,087 spread on the same certified stone. MOH London lists it at HK$34,834. 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
J
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG485136600
Dimensions7.34 × 7.29 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.34 mm7.29 mm1.54 ctJ / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG485136600
Side View
Table 55.5%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: HK$34,834 HKD|Low: HK$6,747 HKD|High: HK$35,303 HKD|Avg: HK$16,126 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 2HK$6,747 HKD
Retailer 3HK$9,344 HKD
Retailer 6HK$10,466 HKD
Retailer 4HK$10,843 HKD
Retailer 7HK$12,200 HKD
Retailer 9HK$15,370 HKD
Retailer 5HK$17,206 HKD
Retailer 8HK$20,768 HKD
MOH LondonHK$34,834 HKD

16 data points across 9 retailers

11 retailersHK$6,747 HKD to HK$34,834 HKD

A
Cheapest Retailer
-
HK$6,747 HKD
$860 USD
B+
Retailer 2
-
HK$9,344 HKD
$1,191 USD
View
B+
Retailer 3
-
HK$10,168 HKD
$1,296 USD
View
B+
Retailer 4
-
HK$10,466 HKD
$1,334 USD
View
Final sale: no returns
Retailer 5
-
HK$10,843 HKD
$1,382 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
HK$10,843 HKD
$1,382 USD
View
B+
Retailer 7
-
HK$12,200 HKD
$1,555 USD
View
B
Retailer 8
-
HK$17,206 HKD
$2,193 USD
View
B
Retailer 9
-
HK$20,320 HKD
$2,590 USD
View
B
Retailer 10
-
HK$20,768 HKD
$2,647 USD
View
Most Expensive
B
MOH London
LG485136600 · Nov 1
HK$34,834 HKD
£3,496 GBP
View
10 more retailers have this diamond
Prices start from HK$6,747 HKDSave up to HK$28,087 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$6,747 HKD