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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG621488045

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG621488045

Diamond specifications and retailer prices

From $1,005 AUD
£553 GBP
As of November 2, 2026
Save $4,852 AUD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $5,856 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 3.09ct lab-grown cushion diamond

This 3.09ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621488045 or 621488045. Listed at 14 retailers as of November 2, 2026, with prices from $1,005 to $5,856, a $4,852 spread on the same certified stone. Do Amore Diamonds lists it at $5,856. 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

3.09
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621488045
Dimensions8.68 × 8.34 × 5.46 mm
L/W Ratio1.04
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
8.68 mm8.34 mm3.09 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621488045
Side View
Table 58.0%Crown 39.1°Girdle: MED-THKPavilion 37.3°Culet: NoneDepth 65.5%

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: $5,856 AUD|Low: $1,004 AUD|High: $5,856 AUD|Avg: $2,349 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 3, 2026
Retailer 7$1,005 AUD
Retailer 10$1,124 AUD
Retailer 4$1,247 AUD
Retailer 12$1,279 AUD
Retailer 2$1,504 AUD
Retailer 8$1,906 AUD
Retailer 6$1,960 AUD
Retailer 3$2,640 AUD
Retailer 9$2,978 AUD
Retailer 11$3,060 AUD
Retailer 5$3,768 AUD
Do Amore Diamonds$5,856 AUD

43 data points across 12 retailers

14 retailers$1,005 AUD to $5,856 AUD

A
Cheapest Retailer
-
$1,005 AUD
£553 GBP
A
Retailer 2
-
$1,124 AUD
$785 USD
View
A
Retailer 3
-
$1,207 AUD
$843 USD
View
A
Retailer 4
-
$1,247 AUD
$871 USD
View
B+
Retailer 5
-
$1,279 AUD
$893 USD
View
A
Retailer 6
-
$1,504 AUD
£827 GBP
View
A
Retailer 7
-
$1,906 AUD
View
A
Retailer 8
-
$1,960 AUD
ZAR 22,111 ZAR
View
B+
Retailer 9
-
$2,640 AUD
£1,452 GBP
View
B+
Retailer 10
-
$2,978 AUD
$2,080 USD
View
B
Retailer 11
-
$3,060 AUD
$2,137 USD
View
B
Retailer 12
-
$3,105 AUD
$2,169 USD
View
B
Retailer 13
-
$3,768 AUD
£2,072 GBP
View
Most Expensive
B
Do Amore Diamonds
27-AF7763797 · Nov 2
$5,856 AUD
$4,090 USD
View
13 more retailers have this diamond
Prices start from $1,005 AUDSave up to $4,852 AUD

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
3.09ct Cushion
$1,005 AUD