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Cushion|Lab Grown|IGI

3.23ct E IF Cushion Lab Grown Diamond

ID • E/IF • IGI LG717599851

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG717599851

Diamond specifications and retailer prices

From $2,393 AUD
$1,681 USD
As of October 29, 2026
Save $8,441 AUD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $10,834 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.23ct lab-grown cushion diamond

This 3.23ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717599851 or 717599851. Listed at 21 retailers as of October 29, 2026, with prices from $2,393 to $10,834, a $8,441 spread on the same certified stone. Brilliant Earth lists it at $10,834. 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

3.23
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle28.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG717599851
Dimensions9.62 × 7.43 × 4.76 mm
L/W Ratio1.29
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.62 mm7.43 mm3.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG717599851
Side View
Table 65.0%Crown 37.7°Girdle: MED-THKPavilion 28.7°Culet: NoneDepth 64.1%

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: Oct 29
Current: $2,525 AUD|Low: $2,207 AUD|High: $8,150 AUD|Avg: $4,159 AUD|-0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 14$2,393 AUD
Retailer 1$2,525 AUD
Retailer 3$2,534 AUD
Retailer 6$2,612 AUD
Retailer 4$2,642 AUD
Retailer 8$3,226 AUD
Retailer 12$3,271 AUD
Retailer 10$3,673 AUD
Retailer 5$3,781 AUD
Retailer 7$4,883 AUD
Retailer 13$5,173 AUD
Retailer 9$5,310 AUD
Retailer 15$6,297 AUD
Retailer 11$6,567 AUD
Retailer 2$8,065 AUD

27 data points across 15 retailers

21 retailers$2,393 AUD to $10,834 AUD

Retailer 1
-
$2,286 AUD
$1,606 USD
Price last confirmed 18 days ago
A
Retailer 2
-
$2,393 AUD
$1,681 USD
View
Final sale: no returns
A
Retailer 3
-
$2,525 AUD
£1,396 GBP
View
A
Retailer 4
-
$2,534 AUD
$1,780 USD
View
A
Retailer 5
-
$2,612 AUD
$1,835 USD
View
A
Retailer 6
-
$2,642 AUD
HK$14,500 HKD
View
A
Retailer 7
-
$3,226 AUD
£1,784 GBP
View
A
Retailer 8
-
$3,271 AUD
$2,298 USD
View
A
Retailer 9
-
$3,673 AUD
€2,457 EUR
View
A
Retailer 10
-
$3,781 AUD
$2,656 USD
View
A
Retailer 11
-
$4,883 AUD
$3,430 USD
View
Retailer 12
-
$5,173 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
-
$5,310 AUD
ZAR 60,263 ZAR
View
A
Retailer 14
-
$5,532 AUD
£3,060 GBP
View
A
Retailer 15
-
$6,297 AUD
$4,423 USD
View
A
Retailer 16
-
$6,567 AUD
£3,632 GBP
View
B+
Retailer 17
-
$7,082 AUD
$4,975 USD
View
B+
Retailer 18
-
$7,650 AUD
SGD 7,262 SGD
View
B+
Retailer 19
-
$8,042 AUD
$5,649 USD
View
Retailer 20
-
$8,065 AUD
$5,665 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
Brilliant Earth
14880797A · Oct 29
$10,834 AUD
$7,610 USD
View
20 more retailers have this diamond
Prices start from $2,393 AUDSave up to $8,441 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
3.23ct Cushion
$2,393 AUD