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1.56ct J SI1 Round Lab Grown Diamond

ID • J/SI1 • IGI LG494173834

Shape and cutting style on the report: Round brilliant

Certificate IGI LG494173834

Diamond specifications and retailer prices

From HK$6,747 HKD
$860 USD
As of November 2, 2026
Save HK$28,525 HKD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$35,273 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.56ct lab-grown round diamond

This 1.56ct 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 LG494173834 or 494173834. Listed at 11 retailers as of November 1, 2026, with prices from HK$6,747 to HK$35,273, a HK$28,525 spread on the same certified stone. MOH London lists it at HK$35,273. 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

1.56
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG494173834
Dimensions7.62 × 7.57 × 4.46 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
7.62 mm7.57 mm1.56 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG494173834
Side View
Table 59.0%Crown 32.9°Girdle: MediumPavilion 40.3°Culet: NoneDepth 58.7%

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$35,273 HKD|Low: HK$6,747 HKD|High: HK$35,701 HKD|Avg: HK$15,973 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$9,462 HKD
Retailer 6HK$10,600 HKD
Retailer 4HK$10,976 HKD
Retailer 7HK$12,318 HKD
Retailer 9HK$15,542 HKD
Retailer 5HK$17,410 HKD
Retailer 8HK$21,034 HKD
MOH LondonHK$35,273 HKD

14 data points across 9 retailers

11 retailersHK$6,747 HKD to HK$35,273 HKD

A
Cheapest Retailer
-
HK$6,747 HKD
$860 USD
A
Retailer 2
-
HK$9,462 HKD
$1,206 USD
View
B+
Retailer 3
-
HK$10,301 HKD
$1,313 USD
View
B+
Retailer 4
-
HK$10,600 HKD
$1,351 USD
View
Final sale: no returns
Retailer 5
-
HK$10,976 HKD
$1,399 USD
View
Price last confirmed 20 days ago
B+
Retailer 6
-
HK$10,976 HKD
$1,399 USD
View
B+
Retailer 7
-
HK$12,318 HKD
$1,570 USD
View
B
Retailer 8
-
HK$17,410 HKD
$2,219 USD
View
B
Retailer 9
-
HK$20,579 HKD
$2,623 USD
View
B
Retailer 10
-
HK$21,034 HKD
$2,681 USD
View
Most Expensive
B
MOH London
LG494173834 · Nov 1
HK$35,273 HKD
£3,540 GBP
View
10 more retailers have this diamond
Prices start from HK$6,747 HKDSave up to HK$28,525 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
1.56ct Round
HK$6,747 HKD