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Cushion|Lab Grown|IGI

3.09ct G VS1 Cushion Lab Grown Diamond

ID • G/VS1 • IGI LG817671723

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG817671723

Diamond specifications and retailer prices

From $1,304 AUD
$911 USD
As of November 3, 2026
Save $8,690 AUD (87%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $9,995 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 LG817671723 or 817671723. Listed at 13 retailers as of November 2, 2026, with prices from $1,304 to $9,995, a $8,690 spread on the same certified stone. Do Amore Diamonds lists it at $9,995. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.4°
Pavilion angle51.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817671723
Dimensions11.08 × 6.58 × 4.34 mm
L/W Ratio1.68
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.08 mm6.58 mm3.09 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817671723
Side View
Table 58.0%Crown 37.4°Girdle: MED-THKPavilion 51.4°Culet: LargeDepth 66.0%

Caratlytics Score

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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 3
Current: $9,995 AUD|Low: $1,304 AUD|High: $9,995 AUD|Avg: $3,495 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
Retailer 13
November 3, 2026
Retailer 4$1,304 AUD
Retailer 12$1,306 AUD
Retailer 13$1,561 AUD
Retailer 11$1,840 AUD
Retailer 10$1,841 AUD
Retailer 2$2,216 AUD
Retailer 8$2,978 AUD
Retailer 6$3,254 AUD
Retailer 7$3,972 AUD
Retailer 3$4,412 AUD
Retailer 5$5,141 AUD
Retailer 9$5,430 AUD
Do Amore Diamonds$9,995 AUD

35 data points across 13 retailers

13 retailers$1,304 AUD to $9,995 AUD

A
Cheapest Retailer
-
$1,304 AUD
$911 USD
Retailer 2
-
$1,306 AUD
$912 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$1,561 AUD
$1,090 USD
View
A
Retailer 4
-
$1,840 AUD
$1,285 USD
View
A
Retailer 5
-
$1,841 AUD
$1,286 USD
View
A
Retailer 6
-
$2,216 AUD
£1,219 GBP
View
B+
Retailer 7
-
$2,978 AUD
$2,080 USD
View
B+
Retailer 8
-
$3,254 AUD
View
B
Retailer 9
-
$3,972 AUD
£2,184 GBP
View
B
Retailer 10
-
$4,412 AUD
$3,081 USD
View
B
Retailer 11
-
$5,141 AUD
$3,590 USD
View
Retailer 12
-
$5,430 AUD
£2,986 GBP
View
Price last confirmed 13 days ago
Most Expensive
B
Do Amore Diamonds
27-7F4268558 · Nov 2
$9,995 AUD
$6,980 USD
View
12 more retailers have this diamond
Prices start from $1,304 AUDSave up to $8,690 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
$1,304 AUD