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Cushion|Lab Grown|IGI

3.18ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG522237410

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG522237410

Diamond specifications and retailer prices

From $6,591 AUD
$4,630 USD
As of October 29, 2026
8 retailers carry this diamond
Most expensive: $15,432 AUD at William & Sons Jewelers · As of October 31, 2026
View at William & Sons Jewelers

About this 3.18ct lab-grown cushion diamond

This 3.18ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG522237410 or 522237410. Listed at 8 retailers as of October 29, 2026. 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

3.18
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237410
Dimensions8.71 × 7.89 × 5.36 mm
L/W Ratio1.10
Girdle conditionFaceted
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
8.71 mm7.89 mm3.18 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237410
Side View
Table 62.5%Crown 34.8°Girdle: THK-VTKPavilion 34.9°Culet: NoneDepth 67.9%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $18,971 AUD|Low: $6,591 AUD|High: $40,933 AUD|Avg: $19,779 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
William & Sons Jewelers
October 31, 2026
Retailer 3$6,591 AUD
William & Sons Jewelers$15,432 AUD
Retailer 4$15,984 AUD
Retailer 5$17,068 AUD
Retailer 1$18,971 AUD
Retailer 7$22,911 AUD
Retailer 2$25,816 AUD
Retailer 6$40,933 AUD

39 data points across 8 retailers

8 retailers

B
Cheapest Retailer
-
$6,591 AUD
$4,630 USD
Most Expensive
William & Sons Jewelers
cert_LG522237410 · Oct 31
$15,432 AUD
$10,840 USD
View
Price under review
Final sale: no returns
1 more retailer has this diamond
Prices start from $6,591 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
3.18ct Cushion
$6,591 AUD