Cushion|Lab Grown|IGI

4.50ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG517200654

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG517200654

Diamond specifications and retailer prices

From €814 EUR
$909 USD
As of November 1, 2026
Save €3,689 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,502 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.5ct lab-grown cushion diamond

This 4.5ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG517200654 or 517200654. Listed at 12 retailers as of October 31, 2026, with prices from €814 to €4,502, a €3,689 spread on the same certified stone. Brilliant Earth lists it at €4,502. 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

4.50
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517200654
Dimensions9.54 × 8.95 × 5.82 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.54 mm8.95 mm4.50 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517200654
Side View
Table 66.0%Crown 37.9°Girdle: STK-VTKPavilion 32.5°Culet: NoneDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: €4,502 EUR|Low: €777 EUR|High: €5,890 EUR|Avg: €2,060 EUR|-23.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 10€814 EUR
Retailer 5€1,003 EUR
Retailer 8€1,159 EUR
Retailer 4€1,295 EUR
Retailer 6€1,360 EUR
Retailer 9€1,382 EUR
Retailer 7€2,333 EUR
Retailer 11€2,687 EUR
Retailer 3€2,920 EUR
Retailer 2€3,162 EUR
Brilliant Earth€4,502 EUR

39 data points across 11 retailers

12 retailers€814 EUR to €4,502 EUR

A
Cheapest Retailer
-
€814 EUR
$909 USD
Final sale: no returns
A
Retailer 2
-
€1,003 EUR
$1,120 USD
View
A
Retailer 3
-
€1,159 EUR
$1,295 USD
View
A
Retailer 4
-
€1,295 EUR
£1,139 GBP
View
A
Retailer 5
-
€1,360 EUR
$1,519 USD
View
A
Retailer 6
-
€1,382 EUR
$1,544 USD
View
B+
Retailer 7
-
€2,333 EUR
£2,052 GBP
View
B+
Retailer 8
-
€2,687 EUR
$3,002 USD
View
B
Retailer 9
-
€2,920 EUR
$3,262 USD
View
B
Retailer 10
-
€3,162 EUR
£2,782 GBP
View
B
Retailer 11
-
€3,563 EUR
HK$31,100 HKD
View
Most Expensive
B
Brilliant Earth
17972656A · Oct 31
€4,502 EUR
$5,030 USD
View
11 more retailers have this diamond
Prices start from €814 EURSave up to €3,689 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
4.50ct Cushion
€814 EUR