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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 $1,192 NZD
$672 USD
As of October 30, 2026
Save $7,182 NZD (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $8,375 NZD at Brilliant Earth · As of October 29, 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 29, 2026, with prices from $1,192 to $8,375, a $7,182 spread on the same certified stone. Brilliant Earth lists it at $8,375. 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
Colour
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 30
Current: $8,375 NZD|Low: $1,050 NZD|High: $8,623 NZD|Avg: $2,982 NZD
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$1,192 NZD
Retailer 14$1,322 NZD
Retailer 8$1,475 NZD
Retailer 12$1,526 NZD
Retailer 4$1,799 NZD
Retailer 15$1,934 NZD
Retailer 13$2,026 NZD
Retailer 9$2,067 NZD
Retailer 2$2,791 NZD
Retailer 11$2,869 NZD
Retailer 3$3,840 NZD
Retailer 7$4,273 NZD
Retailer 6$4,385 NZD
Retailer 10$5,766 NZD
Brilliant Earth$8,375 NZD

43 data points across 15 retailers

16 retailers$1,192 NZD to $8,375 NZD

A
Cheapest Retailer
-
$1,192 NZD
$672 USD
Final sale: no returns
Retailer 2
-
$1,322 NZD
$745 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$1,475 NZD
£655 GBP
View
A
Retailer 4
-
$1,526 NZD
$860 USD
View
A
Retailer 5
-
$1,799 NZD
$1,014 USD
View
A
Retailer 6
-
$1,934 NZD
$1,090 USD
View
A
Retailer 7
-
$2,026 NZD
$1,142 USD
View
A
Retailer 8
-
$2,067 NZD
£917 GBP
View
B+
Retailer 9
-
$2,791 NZD
A$2,420 AUD
View
B+
Retailer 10
-
$2,869 NZD
ZAR 26,125 ZAR
View
B+
Retailer 11
-
$3,840 NZD
£1,704 GBP
View
B+
Retailer 12
-
$4,247 NZD
HK$18,700 HKD
View
B+
Retailer 13
-
$4,273 NZD
$2,408 USD
View
B
Retailer 14
-
$4,385 NZD
$2,472 USD
View
B
Retailer 15
-
$5,766 NZD
£2,559 GBP
View
Most Expensive
B
Brilliant Earth
17969422A · Oct 29
$8,375 NZD
$4,720 USD
View
15 more retailers have this diamond
Prices start from $1,192 NZDSave up to $7,182 NZD

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
$1,192 NZD