Cushion|Lab Grown|IGI

10.18ct I VS1 Cushion Lab Grown Diamond

EX • I/VS1 • IGI LG844631644

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG844631644

Diamond specifications and retailer prices

From €1,224 EUR
$1,367 USD
As of October 31, 2026
Save €4,111 EUR (77%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €5,335 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 10.18ct lab-grown cushion diamond

This 10.18ct lab-grown cushion sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844631644 or 844631644. Listed at 3 retailers as of October 31, 2026, with prices from €1,224 to €5,335, a €4,111 spread on the same certified stone. Brilliant Earth lists it at €5,335. 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

10.18
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844631644
Dimensions15.44 × 11.25 × 7.44 mm
L/W Ratio1.37
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.44 mm11.25 mm10.18 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844631644
Side View
Table 61.0%Crown 35.4°Girdle: MED-STKPavilion 35.2°Culet: NoneDepth 66.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: €5,335 EUR|Low: €1,224 EUR|High: €5,335 EUR|Avg: €3,008 EUR
Brilliant Earth
Retailer 2
Retailer 3
November 1, 2026
Retailer 3€1,224 EUR
Retailer 2€1,808 EUR
Brilliant Earth€5,335 EUR

19 data points across 3 retailers

3 retailers€1,224 EUR to €5,335 EUR

A
Cheapest Retailer
-
€1,224 EUR
$1,367 USD
Final sale: no returns
A
Retailer 2
-
€1,808 EUR
£1,590 GBP
View
Most Expensive
B+
Brilliant Earth
21816170A · Oct 31
€5,335 EUR
$5,960 USD
View
2 more retailers have this diamond
Prices start from €1,224 EURSave up to €4,111 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
10.18ct Cushion
€1,224 EUR