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 $1,968 USD
As of October 30, 2026
Save $2,360 USD (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,553 USD 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 29, 2026, with a 120% 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
Color
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 30
Current: $6,553 USD|Low: $2,040 USD|High: $6,605 USD|Avg: $3,519 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 4$2,040 USD
Retailer 5$2,282 USD
Retailer 11$2,399 USD
Retailer 9$2,450 USD
Retailer 10$2,921 USD
Retailer 7$3,137 USD
Retailer 6$3,573 USD
Retailer 2$3,748 USD
Retailer 8$4,328 USD
Retailer 3$5,109 USD
MOH London$6,553 USD

15 data points across 11 retailers

11 retailers$1,968 USD to $4,328 USD

B+
Cheapest Retailer
-
$1,968 USD
B
Retailer 2
-
$2,040 USD
View
B
Retailer 3
-
$2,141 USD
View
Retailer 4
-
$2,282 USD
View
Price last confirmed 19 days ago
B
Retailer 5
-
$2,282 USD
View
B
Retailer 6
-
$2,450 USD
View
B
Retailer 7
-
$3,137 USD
View
B
Retailer 8
-
$3,573 USD
View
B
Retailer 9
-
$3,748 USD
View
B
Retailer 10
-
$4,328 USD
£3,408 GBP
View
Most Expensive
MOH London
LG508137673 · Oct 29
$6,553 USD
£5,160 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,968 USDSave up to $2,360 USD

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
$1,968 USD