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Cushion|Lab Grown|IGI

55.55ct H VS2 Cushion Lab Grown Diamond

ID • H/VS2 • IGI LG821638953

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG821638953

Diamond specifications and retailer prices

From $89,916 AUD
$63,170 USD
As of October 29, 2026
Save $151,031 AUD (63%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $240,947 AUD at Adiamor · As of October 30, 2026
View at Adiamor

About this 55.55ct lab-grown cushion diamond

This 55.55ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821638953 or 821638953. Listed at 6 retailers as of October 29, 2026, with prices from $89,916 to $240,947, a $151,031 spread on the same certified stone. Adiamor lists it at $240,947. 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

55.55
Carat
H
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle30.1°
Pavilion angle29.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821638953
Dimensions21.42 × 21.36 × 13.50 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
21.42 mm21.36 mm55.55 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821638953
Side View
Table 60.0%Crown 30.1°Girdle: MED-THKPavilion 29.9°Culet: NoneDepth 63.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $240,947 AUD|Low: $64,607 AUD|High: $247,415 AUD|Avg: $130,156 AUD|-2.6%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 26, 2026
Retailer 3$64,607 AUD
Retailer 4$89,916 AUD
Retailer 2$91,001 AUD
Retailer 6$108,033 AUD
Retailer 5$111,298 AUD
Adiamor$240,947 AUD

12 data points across 6 retailers

6 retailers$89,916 AUD to $240,947 AUD

Retailer 1
-
$64,607 AUD
£35,739 GBP
Price last confirmed 13 days ago
B
Retailer 2
-
$89,916 AUD
$63,170 USD
View
B
Retailer 3
-
$91,001 AUD
$63,932 USD
View
Retailer 4
-
$108,033 AUD
$75,898 USD
View
Price last confirmed 17 days ago
B
Retailer 5
-
$111,298 AUD
$78,192 USD
View
Final sale: no returns
Most Expensive
B
Adiamor
D-81808336 · Oct 30
$240,947 AUD
$169,276 USD
View
5 more retailers have this diamond
Prices start from $89,916 AUDSave up to $151,031 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
55.55ct Cushion
$89,916 AUD