Radiant|Lab Grown|IGI

1.81ct H VS2 Radiant Lab Grown Diamond

ID • H/VS2 • IGI LG508137673

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

Certificate IGI LG508137673

Diamond specifications and retailer prices

From HK$9,258 HKD
$1,180 USD
As of October 31, 2026
Save HK$24,700 HKD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: HK$51,414 HKD at MOH London · As of October 29, 2026
View at MOH London

About this 1.81ct lab-grown radiant diamond

This 1.81ct lab-grown radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG508137673 or 508137673. Listed at 11 retailers as of October 31, 2026, with a 267% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.9°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG508137673
Dimensions7.74 × 6.01 × 4.20 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
7.74 mm6.01 mm1.81 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG508137673
Side View
Table 68.5%Crown 48.9°Girdle: STK-THKPavilion 31.2°Culet: NoneDepth 69.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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$51,414 HKD|Low: HK$9,258 HKD|High: HK$51,823 HKD|Avg: HK$26,105 HKD|+0.5%
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
October 30, 2026
Retailer 2HK$9,258 HKD
Retailer 7HK$15,440 HKD
Retailer 11HK$16,798 HKD
Retailer 8HK$17,904 HKD
Retailer 4HK$18,823 HKD
Retailer 13HK$19,222 HKD
Retailer 3HK$22,917 HKD
Retailer 10HK$24,612 HKD
Retailer 9HK$28,033 HKD
Retailer 6HK$29,406 HKD
Retailer 12HK$33,957 HKD
Retailer 5HK$40,084 HKD
MOH LondonHK$51,414 HKD

18 data points across 13 retailers

11 retailersHK$9,258 HKD to HK$33,957 HKD

B+
Cheapest Retailer
-
HK$9,258 HKD
$1,180 USD
B
Retailer 2
-
HK$15,440 HKD
$1,968 USD
View
B
Retailer 3
-
HK$16,798 HKD
$2,141 USD
View
Retailer 4
-
HK$17,904 HKD
$2,282 USD
View
Price last confirmed 21 days ago
B
Retailer 5
-
HK$17,904 HKD
$2,282 USD
View
B
Retailer 6
-
HK$19,222 HKD
$2,450 USD
View
B
Retailer 7
-
HK$24,612 HKD
$3,137 USD
View
B
Retailer 8
-
HK$28,033 HKD
$3,573 USD
View
B
Retailer 9
-
HK$29,406 HKD
$3,748 USD
View
B
Retailer 10
-
HK$33,957 HKD
£3,408 GBP
View
Most Expensive
MOH London
LG508137673 · Oct 29
HK$51,414 HKD
£5,160 GBP
View
Price under review
10 more retailers have this diamond
Prices start from HK$9,258 HKDSave up to HK$24,700 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+
1.81ct Radiant
HK$9,258 HKD