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Cushion|Lab Grown|IGI

3.05ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG840609765

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG840609765

Diamond specifications and retailer prices

From $6,912 USD
As of October 26, 2026
Save $9,210 USD (57%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $16,572 USD at Taylor and Hart · As of October 14, 2026
View at Taylor and Hart

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840609765 or 840609765. Listed at 8 retailers as of October 26, 2026, with a 133% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.05
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840609765
Dimensions10.79 × 7.64 × 4.66 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.79 mm7.64 mm3.05 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840609765
Side View
Table 57.0%Crown 34.9°Girdle: MED-STKPavilion 37.4°Culet: LargeDepth 61.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $7,681 USD|Low: $4,246 USD|High: $16,572 USD|Avg: $9,705 USD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Taylor and Hart
October 29, 2026
Retailer 5$4,246 USD
Retailer 6$6,299 USD
Retailer 7$6,912 USD
Retailer 1$7,681 USD
Retailer 3$10,910 USD
Retailer 2$11,394 USD
Retailer 4$16,122 USD
Taylor and Hart$16,572 USD

10 data points across 8 retailers

8 retailers$6,912 USD to $16,122 USD

A
Retailer 1
-
$4,246 USD
Price last confirmed 9 days ago
B+
Retailer 2
-
$6,299 USD
£4,960 GBP
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$6,912 USD
View
B+
Retailer 4
-
$7,681 USD
€7,315 EUR
View
B
Retailer 5
-
$10,910 USD
View
B
Retailer 6
-
$11,394 USD
View
B
Retailer 7
-
$16,122 USD
SGD 21,787 SGD
View
Most Expensive
B
Taylor and Hart
L5T8QL2 · Oct 14
$16,572 USD
View
Price last confirmed 14 days ago
7 more retailers have this diamond
Prices start from $6,912 USDSave up to $9,210 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
3.05ct Cushion
$6,912 USD