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Radiant|Lab Grown|IGI

1.56ct G SI1 Radiant Lab Grown Diamond

EX • G/SI1 • IGI LG605366722

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

Certificate IGI LG605366722

Diamond specifications and retailer prices

From HK$2,001 HKD
$255 USD
As of November 1, 2026
Save HK$8,072 HKD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$10,073 HKD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG605366722 or 605366722. Listed at 16 retailers as of November 1, 2026, with prices from HK$2,001 to HK$10,073, a HK$8,072 spread on the same certified stone. Reve Diamonds lists it at HK$10,073. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle30.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG605366722
Dimensions8.50 × 5.49 × 3.67 mm
L/W Ratio1.55
Culet sizePointed
Top View
8.50 mm5.49 mm1.56 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG605366722
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 30.5°Culet: NoneDepth 66.8%

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 1
Current: HK$5,861 HKD|Low: HK$1,718 HKD|High: HK$9,008 HKD|Avg: HK$4,259 HKD|+11.7%
Retailer 1
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
November 2, 2026
Retailer 12HK$1,789 HKD
Retailer 6HK$2,001 HKD
Retailer 3HK$2,079 HKD
Retailer 4HK$2,220 HKD
Retailer 13HK$2,220 HKD
Retailer 9HK$3,707 HKD
Retailer 2HK$3,782 HKD
Retailer 10HK$4,033 HKD
Retailer 7HK$4,150 HKD
Retailer 5HK$4,810 HKD
Retailer 1HK$5,861 HKD
Retailer 11HK$6,944 HKD
Retailer 14HK$7,140 HKD
Retailer 8HK$8,898 HKD

39 data points across 14 retailers

16 retailersHK$2,001 HKD to HK$10,073 HKD

Retailer 1
-
HK$1,789 HKD
$228 USD
Price last confirmed 12 days ago
A
Retailer 2
-
HK$2,001 HKD
$255 USD
View
Final sale: no returns
Retailer 3
-
HK$2,079 HKD
$265 USD
View
Price last confirmed 13 days ago
Retailer 4
-
HK$2,220 HKD
$283 USD
View
Price last confirmed 17 days ago
Retailer 5
-
HK$2,220 HKD
$283 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
HK$3,707 HKD
€450 EUR
View
A
Retailer 7
-
HK$3,782 HKD
$482 USD
View
A
Retailer 8
-
HK$4,033 HKD
$514 USD
View
A
Retailer 9
-
HK$4,150 HKD
£416 GBP
View
B+
Retailer 10
-
HK$4,810 HKD
$613 USD
View
B+
Retailer 11
-
HK$5,861 HKD
$747 USD
View
Retailer 12
-
HK$6,944 HKD
$885 USD
View
Price last confirmed 15 days ago
Retailer 13
-
HK$7,140 HKD
$910 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
HK$7,550 HKD
$962 USD
View
B
Retailer 15
-
HK$8,898 HKD
£893 GBP
View
Most Expensive
B
Reve Diamonds
D19BAF116 · Nov 1
HK$10,073 HKD
$1,284 USD
View
15 more retailers have this diamond
Prices start from HK$2,001 HKDSave up to HK$8,072 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$2,001 HKD