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Radiant|Lab Grown|IGI

1.55ct H VS1 Radiant Lab Grown Diamond

ID • H/VS1 • IGI LG773644719

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

Certificate IGI LG773644719

Diamond specifications and retailer prices

From $562 AUD
$395 USD
As of November 1, 2026
Save $924 AUD (62%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,486 AUD at MOH London · As of November 1, 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 LG773644719 or 773644719. Listed at 4 retailers as of November 1, 2026, with prices from $562 to $1,486, a $924 spread on the same certified stone. MOH London lists it at $1,486. 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 angle38.3°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773644719
Dimensions7.92 × 5.63 × 4.10 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.92 mm5.63 mm1.55 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773644719
Side View
Table 66.0%Crown 38.3°Girdle: MediumPavilion 34.3°Culet: NoneDepth 72.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,486 AUD|Low: $527 AUD|High: $1,504 AUD|Avg: $953 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$562 AUD
Retailer 2$717 AUD
Retailer 4$1,099 AUD
MOH London$1,486 AUD

9 data points across 4 retailers

4 retailers$562 AUD to $1,486 AUD

B+
Cheapest Retailer
-
$562 AUD
$395 USD
A
Retailer 2
-
$717 AUD
$504 USD
View
B+
Retailer 3
-
$1,099 AUD
$772 USD
View
Most Expensive
B+
MOH London
LG773644719 · Nov 1
$1,486 AUD
£822 GBP
View
3 more retailers have this diamond
Prices start from $562 AUDSave up to $924 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
$562 AUD