Cushion|Lab Grown|IGI

3.04ct H SI1 Cushion Lab Grown Diamond

EX • H/SI1 • IGI LG607333486

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG607333486

Diamond specifications and retailer prices

From $491 USD
£387 GBP
As of November 2, 2026
Save $2,169 USD (82%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $11,378 USD at Diamond Quarter · As of November 2, 2026
View at Diamond Quarter

About this 3.04ct lab-grown cushion diamond

This 3.04ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG607333486 or 607333486. Listed at 7 retailers as of November 2, 2026, with a 442% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
H
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607333486
Dimensions10.35 × 7.53 × 4.99 mm
L/W Ratio1.37
Girdle conditionFaceted
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
10.35 mm7.53 mm3.04 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607333486
Side View
Table 60.0%Crown 35.4°Girdle: MED-STKPavilion 38°Culet: NoneDepth 66.3%

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 2
Current: $11,378 USD|Low: $491 USD|High: $11,378 USD|Avg: $2,939 USD
Diamond Quarter
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 2$491 USD
Retailer 6$530 USD
Retailer 4$608 USD
Retailer 3$1,645 USD
Retailer 7$2,040 USD
Retailer 5$2,660 USD
Diamond Quarter$11,378 USD

2 data points across 7 retailers

7 retailers$491 USD to $2,660 USD

A
Cheapest Retailer
-
$491 USD
£387 GBP
A
Retailer 2
-
$530 USD
View
B+
Retailer 3
-
$608 USD
View
B+
Retailer 4
-
$1,645 USD
£1,295 GBP
View
B+
Retailer 5
-
$2,040 USD
View
B
Retailer 6
-
$2,660 USD
View
Most Expensive
Diamond Quarter
3.04SI1H51GI9541FGD · Nov 2
$11,378 USD
£8,959 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $491 USDSave up to $2,169 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
$491 USD