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Cushion|Lab Grown|IGI

3.06ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG578311052

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG578311052

Diamond specifications and retailer prices

From $953 CAD
$682 USD
As of October 29, 2026
Save $5,738 CAD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $6,691 CAD at Brilliant Earth · As of October 29, 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 LG578311052 or 578311052. Listed at 14 retailers as of October 29, 2026, with prices from $953 to $6,691, a $5,738 spread on the same certified stone. Brilliant Earth lists it at $6,691. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle33.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578311052
Dimensions9.17 × 7.65 × 4.98 mm
L/W Ratio1.20
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
9.17 mm7.65 mm3.06 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578311052
Side View
Table 62.0%Crown 35.1°Girdle: MED-STKPavilion 33.6°Culet: NoneDepth 65.1%

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: $6,691 CAD|Low: $840 CAD|High: $6,901 CAD|Avg: $2,538 CAD
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
October 30, 2026
Retailer 3$953 CAD
Retailer 9$1,222 CAD
Retailer 13$1,435 CAD
Retailer 11$1,567 CAD
Retailer 10$1,619 CAD
Retailer 6$1,654 CAD
Retailer 2$2,233 CAD
Retailer 8$2,295 CAD
Retailer 12$3,066 CAD
Retailer 5$3,415 CAD
Retailer 4$3,495 CAD
Retailer 7$4,611 CAD
Brilliant Earth$6,691 CAD

40 data points across 13 retailers

14 retailers$953 CAD to $6,691 CAD

A
Cheapest Retailer
-
$953 CAD
$682 USD
Final sale: no returns
A
Retailer 2
-
$1,222 CAD
$875 USD
View
A
Retailer 3
-
$1,435 CAD
$1,027 USD
View
A
Retailer 4
-
$1,567 CAD
$1,122 USD
View
A
Retailer 5
-
$1,619 CAD
$1,159 USD
View
A
Retailer 6
-
$1,654 CAD
£932 GBP
View
B+
Retailer 7
-
$2,233 CAD
A$2,459 AUD
View
B+
Retailer 8
-
$2,295 CAD
ZAR 26,538 ZAR
View
B+
Retailer 9
-
$3,066 CAD
£1,728 GBP
View
B+
Retailer 10
-
$3,397 CAD
HK$19,000 HKD
View
B+
Retailer 11
-
$3,415 CAD
$2,445 USD
View
B
Retailer 12
-
$3,495 CAD
$2,502 USD
View
B
Retailer 13
-
$4,611 CAD
£2,599 GBP
View
Most Expensive
B
Brilliant Earth
17969334A · Oct 29
$6,691 CAD
$4,790 USD
View
13 more retailers have this diamond
Prices start from $953 CADSave up to $5,738 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
$953 CAD