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Radiant|Lab Grown|IGI

1.81ct H VS2 Radiant Lab Grown Diamond

VG • H/VS2 • IGI LG528224139

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

Certificate IGI LG528224139

Diamond specifications and retailer prices

From $1,680 AUD
$1,180 USD
As of October 31, 2026
Save $3,407 AUD (67%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,291 AUD at MOH London · As of October 27, 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 very-good cut grade and certified by IGI LG528224139 or 528224139. Listed at 3 retailers as of October 26, 2026, with a 203% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.81
Carat
H
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle30.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG528224139
Dimensions8.17 × 5.78 × 4.10 mm
L/W Ratio1.41
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
8.17 mm5.78 mm1.81 ctH / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG528224139
Side View
Table 65.0%Crown 39.6°Girdle: STK-THKPavilion 30.6°Culet: NoneDepth 70.9%

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: $9,291 AUD|Low: $1,680 AUD|High: $9,403 AUD|Avg: $5,383 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 2$1,680 AUD
Retailer 7$3,415 AUD
Retailer 6$3,488 AUD
Retailer 4$4,158 AUD
Retailer 3$5,087 AUD
MOH London$9,291 AUD
Retailer 5$9,302 AUD

10 data points across 7 retailers

3 retailers$1,680 AUD to $5,087 AUD

B+
Cheapest Retailer
-
$1,680 AUD
$1,180 USD
C
Retailer 2
-
$5,087 AUD
$3,573 USD
View
Most Expensive
MOH London
LG528224139 · Oct 27
$9,291 AUD
£5,139 GBP
View
Price under review
2 more retailers have this diamond
Prices start from $1,680 AUDSave up to $3,407 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