CaratHunter
Plans
Radiant|Lab Grown|IGI

1.56ct H SI1 Radiant Lab Grown Diamond

ID • H/SI1 • IGI LG512224126

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG512224126

Diamond specifications and retailer prices

From HK$7,846 HKD
$1,000 USD
As of October 31, 2026
Save HK$30,825 HKD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: HK$38,670 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.56ct lab-grown radiant diamond

This 1.56ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG512224126 or 512224126. Listed at 10 retailers as of October 31, 2026, with prices from HK$7,846 to HK$38,670, a HK$30,825 spread on the same certified stone. MOH London lists it at HK$38,670. 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
H
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG512224126
Dimensions7.91 × 6.11 × 3.93 mm
L/W Ratio1.29
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
7.91 mm6.11 mm1.56 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG512224126
Side View
Table 66.5%Crown 38.1°Girdle: Slightly ThickPavilion 35.6°Culet: NoneDepth 64.3%

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: Oct 31
Current: HK$38,670 HKD|Low: HK$7,846 HKD|High: HK$39,189 HKD|Avg: HK$19,825 HKD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2HK$7,846 HKD
Retailer 3HK$11,674 HKD
Retailer 4HK$13,542 HKD
Retailer 6HK$14,868 HKD
Retailer 8HK$18,359 HKD
Retailer 5HK$21,332 HKD
Retailer 7HK$24,573 HKD
MOH LondonHK$38,670 HKD

14 data points across 8 retailers

10 retailersHK$7,846 HKD to HK$38,670 HKD

A
Cheapest Retailer
-
HK$7,846 HKD
$1,000 USD
B+
Retailer 2
-
HK$11,674 HKD
$1,488 USD
View
B+
Retailer 3
-
HK$12,702 HKD
$1,619 USD
View
Retailer 4
-
HK$13,542 HKD
$1,726 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
HK$13,542 HKD
$1,726 USD
View
B+
Retailer 6
-
HK$14,868 HKD
$1,895 USD
View
B
Retailer 7
-
HK$21,332 HKD
$2,719 USD
View
B
Retailer 8
-
HK$24,573 HKD
$3,132 USD
View
B
Retailer 9
-
HK$25,381 HKD
$3,235 USD
View
Most Expensive
B
MOH London
LG512224126 · Nov 1
HK$38,670 HKD
£3,881 GBP
View
9 more retailers have this diamond
Prices start from HK$7,846 HKDSave up to HK$30,825 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 Radiant
HK$7,846 HKD