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Cushion|Lab Grown|IGI

4.51ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG852637508

Shape and cutting style on the report: Cushion mixed cut

Certificate IGI LG852637508

Diamond specifications and retailer prices

From €1,376 EUR
$1,543 USD
As of November 2, 2026
Save €2,412 EUR (64%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €3,788 EUR at Taylor and Hart · As of November 1, 2026
View at Taylor and Hart

About this 4.51ct lab-grown cushion diamond

This 4.51ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG852637508 or 852637508. Listed at 3 retailers as of November 1, 2026, with prices from €1,376 to €3,788, a €2,412 spread on the same certified stone. Taylor and Hart lists it at €3,788. 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

4.51
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle46.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG852637508
Dimensions13.18 × 7.17 × 4.78 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.18 mm7.17 mm4.51 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG852637508
Side View
Table 69.0%Crown 40°Girdle: MED-THKPavilion 46.7°Culet: LargeDepth 66.7%

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: Nov 2
Current: €1,376 EUR|Low: €1,376 EUR|High: €3,788 EUR|Avg: €2,670 EUR
Retailer 1
Retailer 2
Taylor and Hart
November 2, 2026
Retailer 1€1,376 EUR
Retailer 2€1,729 EUR
Taylor and Hart€3,788 EUR

2 data points across 3 retailers

3 retailers€1,376 EUR to €3,788 EUR

A
Cheapest Retailer
-
€1,376 EUR
$1,543 USD
B+
Retailer 2
-
€1,729 EUR
$1,939 USD
View
Most Expensive
B
Taylor and Hart
8LVSKIG · Nov 1
€3,788 EUR
$4,248 USD
View
2 more retailers have this diamond
Prices start from €1,376 EURSave up to €2,412 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
4.51ct Cushion
€1,376 EUR