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Cushion|Lab Grown|IGI

3.06ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG783608018

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

Certificate IGI LG783608018

Diamond specifications and retailer prices

From $557 CAD
$399 USD
As of October 29, 2026
Save $3,256 CAD (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,677 CAD at Brilliant Earth · As of October 20, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct 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 LG783608018 or 783608018. Listed at 16 retailers as of October 29, 2026, with a 584% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.06
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783608018
Dimensions8.46 × 8.26 × 5.36 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.26 mm3.06 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783608018
Side View
Table 61.0%Crown 40.5°Girdle: STK-THKPavilion 36°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $6,677 CAD|Low: $557 CAD|High: $6,677 CAD|Avg: $1,568 CAD|+55.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 5$557 CAD
Retailer 6$616 CAD
Retailer 7$743 CAD
Retailer 12$831 CAD
Retailer 15$1,059 CAD
Retailer 8$1,104 CAD
Retailer 2$1,110 CAD
Retailer 10$1,304 CAD
Retailer 11$1,338 CAD
Retailer 13$1,446 CAD
Retailer 14$1,446 CAD
Retailer 4$2,039 CAD
Retailer 3$2,329 CAD
Retailer 9$2,422 CAD
Brilliant Earth$6,677 CAD

37 data points across 15 retailers

16 retailers$557 CAD to $3,814 CAD

A
Cheapest Retailer
-
$557 CAD
$399 USD
Final sale: no returns
A
Retailer 2
-
$616 CAD
$441 USD
View
B+
Retailer 3
-
$743 CAD
$532 USD
View
A
Retailer 4
-
$831 CAD
$595 USD
View
A
Retailer 5
-
$1,059 CAD
$758 USD
View
A
Retailer 6
-
$1,104 CAD
€753 EUR
View
A
Retailer 7
-
$1,110 CAD
£626 GBP
View
A
Retailer 8
-
$1,304 CAD
A$1,436 AUD
View
A
Retailer 9
-
$1,338 CAD
ZAR 15,478 ZAR
View
A
Retailer 10
-
$1,446 CAD
$1,035 USD
View
A
Retailer 11
-
$1,446 CAD
$1,035 USD
View
A
Retailer 12
-
$2,039 CAD
$1,460 USD
View
B+
Retailer 13
-
$2,329 CAD
$1,667 USD
View
B+
Retailer 14
-
$2,422 CAD
£1,365 GBP
View
B
Retailer 15
-
$3,814 CAD
$2,730 USD
View
Most Expensive
Brilliant Earth
18311981A · Oct 20
$6,677 CAD
$4,780 USD
View
Price last confirmed 10 days ago
15 more retailers have this diamond
Prices start from $557 CADSave up to $3,256 CAD

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
3.06ct Cushion
$557 CAD