Radiant|Lab Grown|IGI

1.60ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG553222719

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

Certificate IGI LG553222719

Diamond specifications and retailer prices

From HK$7,571 HKD
£760 GBP
As of November 2, 2026
8 retailers carry this diamond
Most expensive: HK$8,629 HKD at MOH London · As of October 12, 2026
View at MOH London

About this 1.6ct lab-grown radiant diamond

This 1.6ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG553222719 or 553222719. Listed at 8 retailers as of November 2, 2026. 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

1.60
Carat
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG553222719
Dimensions8.43 × 5.68 × 3.91 mm
L/W Ratio1.48
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
8.43 mm5.68 mm1.60 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG553222719
Side View
Table 69.5%Crown 43.9°Girdle: MediumPavilion 35.5°Culet: NoneDepth 68.8%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
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$8,629 HKD|Low: HK$1,279 HKD|High: HK$12,788 HKD|Avg: HK$5,825 HKD|+2.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 8, 2026
Retailer 2HK$1,334 HKD
Retailer 9HK$1,491 HKD
Retailer 6HK$2,958 HKD
Retailer 11HK$3,169 HKD
Retailer 4HK$3,916 HKD
Retailer 12HK$4,693 HKD
Retailer 7HK$5,076 HKD
Retailer 8HK$5,951 HKD
Retailer 3HK$7,108 HKD
Retailer 5HK$8,003 HKD
MOH LondonHK$8,629 HKD
Retailer 10HK$12,788 HKD

12 data points across 12 retailers

8 retailers

Retailer 1
-
HK$1,334 HKD
$170 USD
Price last confirmed 25 days ago
Retailer 2
-
HK$1,546 HKD
$197 USD
View
Price last confirmed 35 days ago
Retailer 3
-
HK$2,958 HKD
$377 USD
View
Price last confirmed 22 days ago
Retailer 4
-
HK$5,076 HKD
$647 USD
View
Price last confirmed 19 days ago
Retailer 5
-
HK$5,861 HKD
$747 USD
View
Price last confirmed 32 days ago
B
Retailer 6
-
HK$7,571 HKD
£760 GBP
View
Retailer 7
-
HK$8,003 HKD
$1,020 USD
View
Price last confirmed 18 days ago
Most Expensive
MOH London
LG553222719 · Oct 12
HK$8,629 HKD
£866 GBP
View
Price last confirmed 21 days ago
7 more retailers have this diamond
Prices start from HK$7,571 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.

B
1.60ct Radiant
HK$7,571 HKD