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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 $682 USD
As of October 29, 2026
Save $4,108 USD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,790 USD at Brilliant Earth · As of October 28, 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 28, 2026, with prices from $682 to $4,790, a $4,108 spread on the same certified stone. Brilliant Earth lists it at $4,790. 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

How it works →
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: $4,790 USD|Low: $601 USD|High: $4,940 USD|Avg: $1,815 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
October 29, 2026
Retailer 3$682 USD
Retailer 9$875 USD
Retailer 13$1,027 USD
Retailer 11$1,122 USD
Retailer 10$1,159 USD
Retailer 2$1,181 USD
Retailer 8$1,607 USD
Retailer 7$1,643 USD
Retailer 12$2,195 USD
Retailer 5$2,445 USD
Retailer 4$2,502 USD
Retailer 6$3,301 USD
Brilliant Earth$4,790 USD

39 data points across 13 retailers

14 retailers$682 USD to $4,790 USD

A
Cheapest Retailer
-
$682 USD
Final sale: no returns
A
Retailer 2
-
$875 USD
View
A
Retailer 3
-
$1,027 USD
View
A
Retailer 4
-
$1,122 USD
View
A
Retailer 5
-
$1,159 USD
View
A
Retailer 6
-
$1,181 USD
£930 GBP
View
B+
Retailer 7
-
$1,607 USD
A$2,473 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$1,643 USD
ZAR 26,538 ZAR
View
B+
Retailer 9
-
$2,195 USD
£1,728 GBP
View
B+
Retailer 10
-
$2,432 USD
HK$19,000 HKD
View
B+
Retailer 11
-
$2,445 USD
View
B
Retailer 12
-
$2,502 USD
View
B
Retailer 13
-
$3,301 USD
£2,599 GBP
View
Most Expensive
B
Brilliant Earth
17969334A · Oct 28
$4,790 USD
View
13 more retailers have this diamond
Prices start from $682 USDSave up to $4,108 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
3.06ct Cushion
$682 USD