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Cushion|Lab Grown|IGI

53.68ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG776669354

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

Certificate IGI LG776669354

Diamond specifications and retailer prices

From $75,213 AUD
£41,601 GBP
As of October 30, 2026
Save $136,942 AUD (65%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $212,155 AUD at Adiamor · As of October 31, 2026
View at Adiamor

About this 53.68ct lab-grown cushion diamond

This 53.68ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776669354 or 776669354. Listed at 5 retailers as of October 30, 2026, with prices from $75,213 to $212,155, a $136,942 spread on the same certified stone. Adiamor lists it at $212,155. 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

53.68
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle29.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776669354
Dimensions21.54 × 21.48 × 12.87 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
21.54 mm21.48 mm53.68 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776669354
Side View
Table 61.0%Crown 35.2°Girdle: STK-THKPavilion 29.4°Culet: NoneDepth 59.9%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $212,155 AUD|Low: $74,960 AUD|High: $328,120 AUD|Avg: $158,033 AUD|-10.8%
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 2$75,213 AUD
Retailer 5$104,220 AUD
Retailer 3$126,043 AUD
Retailer 6$183,118 AUD
Retailer 4$193,276 AUD
Adiamor$212,155 AUD

28 data points across 6 retailers

5 retailers$75,213 AUD to $212,155 AUD

B+
Cheapest Retailer
-
$75,213 AUD
£41,601 GBP
B
Retailer 2
-
$104,220 AUD
$73,209 USD
View
Retailer 3
-
$126,043 AUD
$88,538 USD
View
Price last confirmed 18 days ago
B
Retailer 4
-
$193,276 AUD
$135,766 USD
View
Most Expensive
B
Adiamor
D-82376169 · Oct 31
$212,155 AUD
$149,027 USD
View
4 more retailers have this diamond
Prices start from $75,213 AUDSave up to $136,942 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+
53.68ct Cushion
$75,213 AUD