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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 $1,680 AUD
$1,180 USD
As of October 31, 2026
Save $4,482 AUD (73%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,329 AUD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $9,329 AUD|Low: $1,680 AUD|High: $9,403 AUD|Avg: $4,737 AUD|+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 2$1,680 AUD
Retailer 7$2,802 AUD
Retailer 11$3,048 AUD
Retailer 8$3,249 AUD
Retailer 4$3,415 AUD
Retailer 13$3,488 AUD
Retailer 3$4,158 AUD
Retailer 10$4,466 AUD
Retailer 9$5,087 AUD
Retailer 6$5,336 AUD
Retailer 12$6,162 AUD
Retailer 5$7,273 AUD
MOH London$9,329 AUD

18 data points across 13 retailers

11 retailers$1,680 AUD to $6,162 AUD

B+
Cheapest Retailer
-
$1,680 AUD
$1,180 USD
B
Retailer 2
-
$2,802 AUD
$1,968 USD
View
B
Retailer 3
-
$3,048 AUD
$2,141 USD
View
Retailer 4
-
$3,249 AUD
$2,282 USD
View
Price last confirmed 20 days ago
B
Retailer 5
-
$3,249 AUD
$2,282 USD
View
B
Retailer 6
-
$3,488 AUD
$2,450 USD
View
B
Retailer 7
-
$4,466 AUD
$3,137 USD
View
B
Retailer 8
-
$5,087 AUD
$3,573 USD
View
B
Retailer 9
-
$5,336 AUD
$3,748 USD
View
B
Retailer 10
-
$6,162 AUD
£3,408 GBP
View
Most Expensive
MOH London
LG508137673 · Oct 29
$9,329 AUD
£5,160 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $1,680 AUDSave up to $4,482 AUD

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
$1,680 AUD