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 €1,505 EUR
$1,681 USD
As of October 29, 2026
Save €5,307 EUR (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €6,812 EUR 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 €1,505 to €6,812, a €5,307 spread on the same certified stone. Brilliant Earth lists it at €6,812. 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: €1,587 EUR|Low: €1,387 EUR|High: €5,124 EUR|Avg: €2,615 EUR|-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€1,505 EUR
Retailer 1€1,587 EUR
Retailer 3€1,593 EUR
Retailer 6€1,642 EUR
Retailer 4€1,661 EUR
Retailer 8€2,028 EUR
Retailer 12€2,057 EUR
Retailer 10€2,309 EUR
Retailer 5€2,377 EUR
Retailer 7€3,070 EUR
Retailer 13€3,252 EUR
Retailer 9€3,339 EUR
Retailer 15€3,959 EUR
Retailer 11€4,129 EUR
Retailer 2€5,071 EUR

27 data points across 15 retailers

21 retailers€1,505 EUR to €6,812 EUR

Retailer 1
-
€1,438 EUR
$1,606 USD
Price last confirmed 18 days ago
A
Retailer 2
-
€1,505 EUR
$1,681 USD
View
Final sale: no returns
A
Retailer 3
-
€1,587 EUR
£1,396 GBP
View
A
Retailer 4
-
€1,593 EUR
$1,780 USD
View
A
Retailer 5
-
€1,642 EUR
$1,835 USD
View
A
Retailer 6
-
€1,661 EUR
HK$14,500 HKD
View
A
Retailer 7
-
€2,028 EUR
£1,784 GBP
View
A
Retailer 8
-
€2,057 EUR
$2,298 USD
View
A
Retailer 9
-
€2,309 EUR
View
A
Retailer 10
-
€2,377 EUR
$2,656 USD
View
A
Retailer 11
-
€3,070 EUR
$3,430 USD
View
Retailer 12
-
€3,252 EUR
A$5,590 AUD
View
Price last confirmed 8 days ago
A
Retailer 13
-
€3,339 EUR
ZAR 60,263 ZAR
View
A
Retailer 14
-
€3,478 EUR
£3,060 GBP
View
A
Retailer 15
-
€3,959 EUR
$4,423 USD
View
A
Retailer 16
-
€4,129 EUR
£3,632 GBP
View
B+
Retailer 17
-
€4,453 EUR
$4,975 USD
View
B+
Retailer 18
-
€4,810 EUR
SGD 7,262 SGD
View
B+
Retailer 19
-
€5,056 EUR
$5,649 USD
View
Retailer 20
-
€5,071 EUR
$5,665 USD
View
Price last confirmed 9 days ago
Most Expensive
B+
Brilliant Earth
14880797A · Oct 29
€6,812 EUR
$7,610 USD
View
20 more retailers have this diamond
Prices start from €1,505 EURSave up to €5,307 EUR

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
€1,505 EUR