Cushion|Lab Grown|IGI

3.05ct G IF Cushion Lab Grown Diamond

EX • G/IF • IGI LG629477689

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG629477689

Diamond specifications and retailer prices

From $1,712 USD
As of November 2, 2026
Save $4,081 USD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $5,793 USD at Taylor and Hart · As of October 31, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG629477689 or 629477689. Listed at 7 retailers as of October 31, 2026, with prices from $1,712 to $5,793, a $4,081 spread on the same certified stone. Taylor and Hart lists it at $5,793. 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
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629477689
Dimensions9.93 × 7.72 × 5.05 mm
L/W Ratio1.29
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
9.93 mm7.72 mm3.05 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629477689
Side View
Table 65.0%Crown 36.6°Girdle: MED-STKPavilion 37.9°Culet: NoneDepth 65.4%

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: $2,486 USD|Low: $1,640 USD|High: $5,793 USD|Avg: $3,111 USD|+2.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
November 2, 2026
Retailer 5$1,712 USD
Retailer 2$2,306 USD
Retailer 4$2,344 USD
Retailer 1$2,486 USD
Retailer 6$2,562 USD
Retailer 3$4,667 USD
Taylor and Hart$5,793 USD

41 data points across 7 retailers

7 retailers$1,712 USD to $5,793 USD

A
Cheapest Retailer
-
$1,712 USD
A
Retailer 2
-
$2,306 USD
£1,816 GBP
View
A
Retailer 3
-
$2,344 USD
View
A
Retailer 4
-
$2,486 USD
€2,368 EUR
View
A
Retailer 5
-
$2,562 USD
View
B+
Retailer 6
-
$4,667 USD
£3,675 GBP
View
Most Expensive
B
Taylor and Hart
XSG1D9Z · Oct 31
$5,793 USD
View
6 more retailers have this diamond
Prices start from $1,712 USDSave up to $4,081 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
$1,712 USD