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Cushion|Lab Grown|IGI

3.06ct G SI1 Cushion Lab Grown Diamond

EX • G/SI1 • IGI LG539216023

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG539216023

Diamond specifications and retailer prices

From $775 USD
As of November 3, 2026
Save $3,795 USD (83%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,570 USD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG539216023 or 539216023. Listed at 10 retailers as of November 2, 2026, with prices from $775 to $4,570, a $3,795 spread on the same certified stone. Do Amore Diamonds lists it at $4,570. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.06
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG539216023
Dimensions8.27 × 8.22 × 5.64 mm
L/W Ratio1.01
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
8.27 mm8.22 mm3.06 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG539216023
Side View
Table 64.0%Crown 34.4°Girdle: STK-VTKPavilion 40.1°Culet: NoneDepth 68.6%

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: Nov 3
Current: $4,570 USD|Low: $493 USD|High: $4,570 USD|Avg: $1,665 USD|+29.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 6$639 USD
Retailer 4$775 USD
Retailer 5$875 USD
Retailer 7$991 USD
Retailer 2$1,100 USD
Retailer 8$1,459 USD
Retailer 9$2,375 USD
Retailer 3$3,059 USD
Do Amore Diamonds$4,570 USD

32 data points across 9 retailers

10 retailers$775 USD to $4,570 USD

Retailer 1
-
$639 USD
Price last confirmed 17 days ago
B+
Retailer 2
-
$775 USD
View
A
Retailer 3
-
$875 USD
View
B+
Retailer 4
-
$991 USD
View
B+
Retailer 5
-
$1,100 USD
£866 GBP
View
B+
Retailer 6
-
$1,459 USD
View
Retailer 7
-
$1,845 USD
View
Price last confirmed 12 days ago
B
Retailer 8
-
$2,375 USD
View
B
Retailer 9
-
$3,059 USD
£2,409 GBP
View
Most Expensive
B
Do Amore Diamonds
27-37C8DF0F4 · Nov 2
$4,570 USD
View
9 more retailers have this diamond
Prices start from $775 USDSave up to $3,795 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
$775 USD