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Cushion|Lab Grown|IGI

3.05ct E VVS1 Cushion Lab Grown Diamond

ID • E/VVS1 • IGI LG685578140

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG685578140

Diamond specifications and retailer prices

From €617 EUR
$687 USD
As of October 29, 2026
Save €6,175 EUR (91%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €6,792 EUR at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 3.05ct lab-grown cushion diamond

This 3.05ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG685578140 or 685578140. Listed at 16 retailers as of October 29, 2026, with prices from €617 to €6,792, a €6,175 spread on the same certified stone. Do Amore Diamonds lists it at €6,792. 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
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685578140
Dimensions8.36 × 8.36 × 5.55 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.36 mm8.36 mm3.05 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685578140
Side View
Table 63.0%Crown 38.2°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 66.4%

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: Oct 29
Current: €4,906 EUR|Low: €617 EUR|High: €6,972 EUR|Avg: €2,245 EUR|-11.2%
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
Retailer 14
October 30, 2026
Retailer 3€617 EUR
Retailer 6€722 EUR
Retailer 12€800 EUR
Retailer 11€906 EUR
Retailer 2€1,111 EUR
Retailer 13€1,261 EUR
Retailer 4€1,602 EUR
Retailer 5€1,618 EUR
Retailer 9€1,642 EUR
Retailer 14€2,205 EUR
Retailer 7€2,498 EUR
Retailer 8€2,995 EUR
Do Amore Diamonds€4,906 EUR
Retailer 10€5,822 EUR

30 data points across 14 retailers

16 retailers€617 EUR to €6,792 EUR

A
Cheapest Retailer
-
€617 EUR
$687 USD
Final sale: no returns
Retailer 2
-
€722 EUR
$804 USD
View
Price last confirmed 13 days ago
A
Retailer 3
-
€800 EUR
$890 USD
View
A
Retailer 4
-
€906 EUR
$1,008 USD
View
A
Retailer 5
-
€1,111 EUR
£974 GBP
View
A
Retailer 6
-
€1,261 EUR
$1,403 USD
View
A
Retailer 7
-
€1,602 EUR
$1,783 USD
View
Retailer 8
-
€1,618 EUR
A$2,770 AUD
View
Price last confirmed 8 days ago
A
Retailer 9
-
€1,642 EUR
ZAR 29,530 ZAR
View
B+
Retailer 10
-
€2,205 EUR
£1,932 GBP
View
B+
Retailer 11
-
€2,498 EUR
$2,780 USD
View
B+
Retailer 12
-
€2,995 EUR
£2,625 GBP
View
B
Retailer 13
-
€4,906 EUR
$5,460 USD
View
B
Retailer 14
-
€5,822 EUR
$6,480 USD
View
B
Retailer 15
-
€6,531 EUR
$7,269 USD
View
Most Expensive
B
Do Amore Diamonds
23-685578140 · Oct 30
€6,792 EUR
$7,560 USD
View
15 more retailers have this diamond
Prices start from €617 EURSave up to €6,175 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
3.05ct Cushion
€617 EUR