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Radiant|Lab Grown|IGI

55.33ct J VS1 Radiant Lab Grown Diamond

EX • J/VS1 • IGI LG828681648

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

Certificate IGI LG828681648

Diamond specifications and retailer prices

From $77,054 AUD
£42,619 GBP
As of October 30, 2026
Save $34,264 AUD (31%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $111,318 AUD at The Perfect Carat · As of October 28, 2026
View at The Perfect Carat

About this 55.33ct lab-grown radiant diamond

This 55.33ct lab-grown radiant sits in the over five carat band, graded J colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG828681648 or 828681648. Listed at 3 retailers as of October 28, 2026, with prices from $77,054 to $111,318, a $34,264 spread on the same certified stone. The Perfect Carat lists it at $111,318. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

55.33
Carat
J
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle30.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828681648
Dimensions22.46 × 18.78 × 12.96 mm
L/W Ratio1.20
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
22.46 mm18.78 mm55.33 ctJ / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828681648
Side View
Table 69.0%Crown 38.8°Girdle: ThickPavilion 30.3°Culet: NoneDepth 69.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: $77,054 AUD|Low: $7,528 AUD|High: $123,157 AUD|Avg: $99,896 AUD|-0.4%
Retailer 1
Retailer 2
The Perfect Carat
October 30, 2026
Retailer 1$77,054 AUD
Retailer 2$106,890 AUD
The Perfect Carat$111,318 AUD

39 data points across 3 retailers

3 retailers$77,054 AUD to $111,318 AUD

A
Cheapest Retailer
-
$77,054 AUD
£42,619 GBP
B
Retailer 2
-
$106,890 AUD
$75,084 USD
View
Most Expensive
B
The Perfect Carat
tpc_ddcc55aa-0b0a-4b20-8258-c872f33e1602 · Oct 28
$111,318 AUD
$78,195 USD
View
2 more retailers have this diamond
Prices start from $77,054 AUDSave up to $34,264 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
55.33ct Radiant
$77,054 AUD