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Cushion|Lab Grown|IGI

3.01ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG578311056

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG578311056

Diamond specifications and retailer prices

From $672 USD
As of October 28, 2026
Save $4,048 USD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,720 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct 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 LG578311056 or 578311056. Listed at 16 retailers as of October 28, 2026, with prices from $672 to $4,720, a $4,048 spread on the same certified stone. Brilliant Earth lists it at $4,720. 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

3.01
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle31.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578311056
Dimensions9.25 × 7.72 × 4.92 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
9.25 mm7.72 mm3.01 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578311056
Side View
Table 61.0%Crown 32.6°Girdle: MED-STKPavilion 31.6°Culet: NoneDepth 63.7%

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 28
Current: $4,720 USD|Low: $592 USD|High: $4,860 USD|Avg: $1,676 USD
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 29, 2026
Retailer 5$672 USD
Retailer 14$745 USD
Retailer 11$833 USD
Retailer 12$860 USD
Retailer 4$1,014 USD
Retailer 15$1,090 USD
Retailer 13$1,142 USD
Retailer 9$1,160 USD
Retailer 10$1,582 USD
Retailer 8$1,617 USD
Retailer 3$2,164 USD
Retailer 7$2,408 USD
Retailer 6$2,472 USD
Retailer 2$3,250 USD
Brilliant Earth$4,720 USD

42 data points across 15 retailers

16 retailers$672 USD to $4,720 USD

A
Cheapest Retailer
-
$672 USD
Final sale: no returns
A
Retailer 2
-
$745 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
$833 USD
£656 GBP
View
Price last confirmed 10 days ago
A
Retailer 4
-
$860 USD
View
A
Retailer 5
-
$1,014 USD
View
A
Retailer 6
-
$1,090 USD
View
A
Retailer 7
-
$1,142 USD
View
A
Retailer 8
-
$1,160 USD
£913 GBP
View
B+
Retailer 9
-
$1,582 USD
A$2,434 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,617 USD
ZAR 26,125 ZAR
View
B+
Retailer 11
-
$2,164 USD
£1,704 GBP
View
B+
Retailer 12
-
$2,394 USD
HK$18,700 HKD
View
B+
Retailer 13
-
$2,408 USD
View
B
Retailer 14
-
$2,472 USD
View
B
Retailer 15
-
$3,250 USD
£2,559 GBP
View
Most Expensive
B
Brilliant Earth
17969422A · Oct 28
$4,720 USD
View
15 more retailers have this diamond
Prices start from $672 USDSave up to $4,048 USD

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
3.01ct Cushion
$672 USD