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Cushion|Lab Grown|IGI

3.06ct G VS1 Cushion Lab Grown Diamond

EX • G/VS1 • IGI LG783608018

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

Certificate IGI LG783608018

Diamond specifications and retailer prices

From €357 EUR
$399 USD
As of October 29, 2026
Save €2,086 EUR (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: €4,279 EUR at Brilliant Earth · As of October 20, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct 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 LG783608018 or 783608018. Listed at 16 retailers as of October 29, 2026, with a 584% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.06
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG783608018
Dimensions8.46 × 8.26 × 5.36 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.26 mm3.06 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG783608018
Side View
Table 61.0%Crown 40.5°Girdle: STK-THKPavilion 36°Culet: NoneDepth 64.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: €4,279 EUR|Low: €357 EUR|High: €4,279 EUR|Avg: €1,008 EUR|+55.7%
Brilliant Earth
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 31, 2026
Retailer 5€357 EUR
Retailer 6€395 EUR
Retailer 7€476 EUR
Retailer 12€533 EUR
Retailer 15€678 EUR
Retailer 8€708 EUR
Retailer 2€711 EUR
Retailer 10€835 EUR
Retailer 11€858 EUR
Retailer 13€926 EUR
Retailer 14€926 EUR
Retailer 4€1,307 EUR
Retailer 3€1,492 EUR
Retailer 9€1,552 EUR
Brilliant Earth€4,279 EUR

37 data points across 15 retailers

16 retailers€357 EUR to €2,444 EUR

A
Cheapest Retailer
-
€357 EUR
$399 USD
Final sale: no returns
A
Retailer 2
-
€395 EUR
$441 USD
View
B+
Retailer 3
-
€476 EUR
$532 USD
View
A
Retailer 4
-
€533 EUR
$595 USD
View
A
Retailer 5
-
€678 EUR
$758 USD
View
A
Retailer 6
-
€708 EUR
View
A
Retailer 7
-
€711 EUR
£626 GBP
View
A
Retailer 8
-
€835 EUR
A$1,436 AUD
View
A
Retailer 9
-
€858 EUR
ZAR 15,478 ZAR
View
A
Retailer 10
-
€926 EUR
$1,035 USD
View
A
Retailer 11
-
€926 EUR
$1,035 USD
View
A
Retailer 12
-
€1,307 EUR
$1,460 USD
View
B+
Retailer 13
-
€1,492 EUR
$1,667 USD
View
B+
Retailer 14
-
€1,552 EUR
£1,365 GBP
View
B
Retailer 15
-
€2,444 EUR
$2,730 USD
View
Most Expensive
Brilliant Earth
18311981A · Oct 20
€4,279 EUR
$4,780 USD
View
Price last confirmed 11 days ago
15 more retailers have this diamond
Prices start from €357 EURSave up to €2,086 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
3.06ct Cushion
€357 EUR