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Radiant|Lab Grown|IGI

1.55ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG546223616

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

Certificate IGI LG546223616

Diamond specifications and retailer prices

From $419 AUD
$294 USD
As of November 1, 2026
Save $1,451 AUD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,869 AUD at MOH London · As of October 29, 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 LG546223616 or 546223616. Listed at 17 retailers as of October 29, 2026, with prices from $419 to $1,869, a $1,451 spread on the same certified stone. MOH London lists it at $1,869. 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 angle39.6°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG546223616
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
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
10.37 mm7.13 mm1.55 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG546223616
Side View
Table 64.5%Crown 39.6°Girdle: MED-STKPavilion 33°Culet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,869 AUD|Low: $359 AUD|High: $1,882 AUD|Avg: $983 AUD|+0.6%
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 2, 2026
Retailer 15$359 AUD
Retailer 5$419 AUD
Retailer 3$464 AUD
Retailer 14$464 AUD
Retailer 13$626 AUD
Retailer 9$719 AUD
Retailer 6$759 AUD
Retailer 16$772 AUD
Retailer 2$800 AUD
Retailer 4$947 AUD
Retailer 10$1,079 AUD
Retailer 8$1,244 AUD
Retailer 12$1,425 AUD
Retailer 11$1,552 AUD
Retailer 7$1,801 AUD
MOH London$1,869 AUD

35 data points across 16 retailers

17 retailers$419 AUD to $1,869 AUD

Retailer 1
-
$359 AUD
$252 USD
Price last confirmed 30 days ago
A
Retailer 2
-
$419 AUD
$294 USD
View
Final sale: no returns
Retailer 3
-
$434 AUD
$305 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$464 AUD
$326 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$626 AUD
£346 GBP
View
Price last confirmed 17 days ago
A
Retailer 6
-
$719 AUD
$505 USD
View
A
Retailer 7
-
$759 AUD
$533 USD
View
A
Retailer 8
-
$772 AUD
$542 USD
View
A
Retailer 9
-
$800 AUD
ZAR 9,077 ZAR
View
B+
Retailer 10
-
$947 AUD
$665 USD
View
B+
Retailer 11
-
$1,079 AUD
View
B+
Retailer 12
-
$1,291 AUD
£714 GBP
View
B+
Retailer 13
-
$1,425 AUD
$1,001 USD
View
Retailer 14
-
$1,492 AUD
$1,048 USD
View
Price last confirmed 32 days ago
B+
Retailer 15
-
$1,552 AUD
$1,090 USD
View
B+
Retailer 16
-
$1,564 AUD
$1,099 USD
View
Most Expensive
B
MOH London
LG546223616 · Oct 29
$1,869 AUD
£1,034 GBP
View
16 more retailers have this diamond
Prices start from $419 AUDSave up to $1,451 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.

A
1.55ct Radiant
$419 AUD