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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 $3,037 NZD
As of November 4, 2026
Save $7,240 NZD (70%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,277 NZD at Taylor and Hart · As of November 4, 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 November 4, 2026, with prices from $3,037 to $10,277, a $7,240 spread on the same certified stone. Taylor and Hart lists it at $10,277. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $4,054 NZD|Low: $2,909 NZD|High: $8,391 NZD|Avg: $4,767 NZD|-1.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 5, 2026
Retailer 5$3,037 NZD
Retailer 1$4,054 NZD
Retailer 4$4,158 NZD
Retailer 2$4,412 NZD
Retailer 3$8,279 NZD

43 data points across 5 retailers

7 retailers$3,037 NZD to $10,277 NZD

A
Cheapest Retailer
-
$3,037 NZD
A
Retailer 2
-
$4,054 NZD
View
A
Retailer 3
-
$4,158 NZD
View
A
Retailer 4
-
$4,412 NZD
View
A
Retailer 5
-
$4,545 NZD
View
B+
Retailer 6
-
$8,279 NZD
View
Most Expensive
B
Taylor and Hart
XSG1D9Z · Nov 4
$10,277 NZD
$5,793 USD
View
6 more retailers have this diamond
Prices start from $3,037 NZDSave up to $7,240 NZD

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
$3,037 NZD