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Cushion|Lab Grown|IGI

3.04ct E SI1 Cushion Lab Grown Diamond

EX • E/SI1 • IGI LG647483488

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG647483488

Diamond specifications and retailer prices

From $655 USD
As of October 29, 2026
Save $2,925 USD (82%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,580 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.04ct lab-grown cushion diamond

This 3.04ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG647483488 or 647483488. Listed at 9 retailers as of October 29, 2026, with prices from $655 to $3,580, a $2,925 spread on the same certified stone. Brilliant Earth lists it at $3,580. 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

3.04
Carat
E
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.5°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647483488
Dimensions9.73 × 7.78 × 5.29 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.73 mm7.78 mm3.04 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647483488
Side View
Table 64.0%Crown 29.5°Girdle: MED-STKPavilion 38.4°Culet: NoneDepth 68.0%

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: $3,580 USD|Low: $532 USD|High: $4,000 USD|Avg: $1,231 USD|-10.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 5$532 USD
Retailer 6$655 USD
Retailer 7$695 USD
Retailer 3$739 USD
Retailer 2$777 USD
Retailer 8$823 USD
Retailer 9$988 USD
Retailer 4$1,698 USD
Brilliant Earth$3,580 USD

37 data points across 9 retailers

9 retailers$655 USD to $3,580 USD

Retailer 1
-
$532 USD
£419 GBP
Price last confirmed 13 days ago
A
Retailer 2
-
$655 USD
View
B+
Retailer 3
-
$695 USD
View
A
Retailer 4
-
$739 USD
€704 EUR
View
A
Retailer 5
-
$777 USD
£612 GBP
View
A
Retailer 6
-
$823 USD
View
A
Retailer 7
-
$988 USD
View
B+
Retailer 8
-
$1,698 USD
£1,337 GBP
View
Most Expensive
B
Brilliant Earth
11456151A · Oct 29
$3,580 USD
View
8 more retailers have this diamond
Prices start from $655 USDSave up to $2,925 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
3.04ct Cushion
$655 USD