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Radiant|Lab Grown|IGI

1.55ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG620421277

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

Certificate IGI LG620421277

Diamond specifications and retailer prices

From HK$1,655 HKD
$211 USD
As of October 27, 2026
Save HK$6,575 HKD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$8,230 HKD at MOH London · As of November 1, 2026
View at MOH London

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG620421277 or 620421277. Listed at 16 retailers as of October 27, 2026, with prices from HK$1,655 to HK$8,230, a HK$6,575 spread on the same certified stone. MOH London lists it at HK$8,230. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620421277
Dimensions8.29 × 5.80 × 3.81 mm
L/W Ratio1.43
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
8.29 mm5.80 mm1.55 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG620421277
Side View
Table 63.0%Crown 40.5°Girdle: MediumPavilion 34.9°Culet: NoneDepth 65.7%

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: Oct 27
Current: HK$8,230 HKD|Low: HK$1,648 HKD|High: HK$8,619 HKD|Avg: HK$4,378 HKD|-3.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 16HK$1,655 HKD
Retailer 10HK$1,852 HKD
Retailer 13HK$1,922 HKD
Retailer 6HK$2,126 HKD
Retailer 8HK$2,126 HKD
Retailer 12HK$2,762 HKD
Retailer 14HK$3,527 HKD
Retailer 2HK$3,855 HKD
Retailer 15HK$4,041 HKD
Retailer 11HK$4,064 HKD
Retailer 4HK$4,794 HKD
Retailer 9HK$5,312 HKD
Retailer 7HK$6,834 HKD
Retailer 3HK$7,017 HKD
Retailer 5HK$7,846 HKD
MOH LondonHK$8,230 HKD

27 data points across 16 retailers

16 retailersHK$1,655 HKD to HK$8,230 HKD

A
Cheapest Retailer
-
HK$1,655 HKD
$211 USD
A
Retailer 2
-
HK$1,852 HKD
$236 USD
View
Final sale: no returns
A
Retailer 3
-
HK$1,922 HKD
$245 USD
View
Retailer 4
-
HK$2,126 HKD
$271 USD
View
Price last confirmed 8 days ago
Retailer 5
-
HK$2,126 HKD
$271 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
HK$2,762 HKD
$352 USD
View
A
Retailer 7
-
HK$3,527 HKD
ZAR 7,263 ZAR
View
A
Retailer 8
-
HK$3,855 HKD
€468 EUR
View
A
Retailer 9
-
HK$4,041 HKD
$515 USD
View
A
Retailer 10
-
HK$4,064 HKD
$518 USD
View
A
Retailer 11
-
HK$4,794 HKD
A$940 AUD
View
A
Retailer 12
-
HK$5,312 HKD
$677 USD
View
Retailer 13
-
HK$6,834 HKD
$871 USD
View
Price last confirmed 7 days ago
B+
Retailer 14
-
HK$7,017 HKD
$894 USD
View
B+
Retailer 15
-
HK$7,846 HKD
$1,000 USD
View
Most Expensive
B+
MOH London
LG620421277 · Nov 1
HK$8,230 HKD
£826 GBP
View
15 more retailers have this diamond
Prices start from HK$1,655 HKDSave up to HK$6,575 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
1.55ct Radiant
HK$1,655 HKD