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Cushion|Lab Grown|IGI

3.75ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG813602086

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG813602086

Diamond specifications and retailer prices

From $669 AUD
$470 USD
As of October 31, 2026
Save $4,086 AUD (86%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,755 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.75ct lab-grown cushion diamond

This 3.75ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG813602086 or 813602086. Listed at 4 retailers as of October 31, 2026, with prices from $669 to $4,755, a $4,086 spread on the same certified stone. Brilliant Earth lists it at $4,755. 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

3.75
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813602086
Dimensions11.02 × 8.07 × 5.38 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.02 mm8.07 mm3.75 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813602086
Side View
Table 63.0%Crown 35.4°Girdle: MED-THKPavilion 39°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: $4,755 AUD|Low: $669 AUD|High: $4,897 AUD|Avg: $2,873 AUD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 1, 2026
Retailer 3$669 AUD
Retailer 2$1,267 AUD
Retailer 4$3,751 AUD
Brilliant Earth$4,755 AUD

39 data points across 4 retailers

4 retailers$669 AUD to $4,755 AUD

A
Cheapest Retailer
-
$669 AUD
$470 USD
Final sale: no returns
A
Retailer 2
-
$1,267 AUD
£701 GBP
View
Retailer 3
-
$3,751 AUD
$2,635 USD
View
Price last confirmed 13 days ago
Most Expensive
B
Brilliant Earth
21263217A · Oct 31
$4,755 AUD
$3,340 USD
View
3 more retailers have this diamond
Prices start from $669 AUDSave up to $4,086 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
3.75ct Cushion
$669 AUD