Cushion|Lab Grown|IGI

3.05ct F SI2 Cushion Lab Grown Diamond

ID • F/SI2 • IGI LG625428284

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG625428284

Diamond specifications and retailer prices

From $473 USD
As of November 1, 2026
Save $1,518 USD (76%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,991 USD at MOH London · As of November 1, 2026
View at MOH London

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG625428284 or 625428284. Listed at 11 retailers as of November 1, 2026, with prices from $473 to $1,991, a $1,518 spread on the same certified stone. MOH London lists it at $1,991. 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

3.05
Carat
F
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625428284
Dimensions10.45 × 7.73 × 4.97 mm
L/W Ratio1.35
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
10.45 mm7.73 mm3.05 ctF / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625428284
Side View
Table 60.0%Crown 34.5°Girdle: THN-MEDPavilion 35.4°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $1,991 USD|Low: $460 USD|High: $3,620 USD|Avg: $1,182 USD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$473 USD
Retailer 10$510 USD
Retailer 9$682 USD
Retailer 5$811 USD
Retailer 11$813 USD
Retailer 4$832 USD
Retailer 3$964 USD
Retailer 2$1,234 USD
Retailer 7$1,920 USD
Retailer 8$1,950 USD
MOH London$1,991 USD

42 data points across 11 retailers

11 retailers$473 USD to $1,991 USD

A
Cheapest Retailer
-
$473 USD
Final sale: no returns
Retailer 2
-
$510 USD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$682 USD
View
A
Retailer 4
-
$811 USD
€772 EUR
View
A
Retailer 5
-
$813 USD
View
A
Retailer 6
-
$832 USD
£655 GBP
View
A
Retailer 7
-
$964 USD
View
B+
Retailer 8
-
$1,234 USD
View
B+
Retailer 9
-
$1,920 USD
View
B
Retailer 10
-
$1,950 USD
View
Most Expensive
B+
MOH London
LG625428284 · Nov 1
$1,991 USD
£1,568 GBP
View
10 more retailers have this diamond
Prices start from $473 USDSave up to $1,518 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
$473 USD