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Cushion|Lab Grown|IGI

8.51ct H VS1 Cushion Lab Grown Diamond

EX • H/VS1 • IGI LG647454568

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG647454568

Diamond specifications and retailer prices

From €2,136 EUR
$2,386 USD
As of October 31, 2026
Save €10,986 EUR (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €13,122 EUR at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 8.51ct lab-grown cushion diamond

This 8.51ct lab-grown cushion sits in the over five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG647454568 or 647454568. Listed at 14 retailers as of October 31, 2026, with prices from €2,136 to €13,122, a €10,986 spread on the same certified stone. Do Amore Diamonds lists it at €13,122. 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

8.51
Carat
H
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle36.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG647454568
Dimensions14.75 × 10.31 × 6.80 mm
L/W Ratio1.43
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.75 mm10.31 mm8.51 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG647454568
Side View
Table 64.0%Crown 37.7°Girdle: STK-VTKPavilion 36.8°Culet: NoneDepth 66.0%

Caratlytics Score

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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 31
Current: €13,122 EUR|Low: €2,136 EUR|High: €13,981 EUR|Avg: €5,156 EUR|-6.1%
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
Retailer 15
Retailer 16
November 1, 2026
Retailer 13€2,136 EUR
Retailer 16€2,212 EUR
Retailer 12€2,359 EUR
Retailer 3€2,581 EUR
Retailer 5€2,612 EUR
Retailer 10€2,905 EUR
Retailer 8€2,967 EUR
Retailer 15€3,106 EUR
Retailer 11€4,095 EUR
Retailer 9€4,524 EUR
Retailer 4€4,638 EUR
Retailer 14€6,200 EUR
Retailer 2€6,536 EUR
Retailer 6€8,526 EUR
Retailer 7€11,189 EUR
Do Amore Diamonds€13,122 EUR

30 data points across 16 retailers

14 retailers€2,136 EUR to €13,122 EUR

A
Cheapest Retailer
-
€2,136 EUR
$2,386 USD
Final sale: no returns
Retailer 2
-
€2,212 EUR
$2,471 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
€2,359 EUR
$2,635 USD
View
A
Retailer 4
-
€2,581 EUR
$2,883 USD
View
A
Retailer 5
-
€2,612 EUR
$2,918 USD
View
A
Retailer 6
-
€2,905 EUR
£2,556 GBP
View
A
Retailer 7
-
€3,106 EUR
$3,470 USD
View
B+
Retailer 8
-
€4,095 EUR
ZAR 73,903 ZAR
View
B+
Retailer 9
-
€4,524 EUR
A$7,775 AUD
View
B+
Retailer 10
-
€4,638 EUR
£4,080 GBP
View
B
Retailer 11
-
€6,200 EUR
$6,927 USD
View
B
Retailer 12
-
€6,536 EUR
£5,750 GBP
View
B
Retailer 13
-
€8,526 EUR
$9,525 USD
View
Most Expensive
B
Do Amore Diamonds
27-522F630BB · Nov 1
€13,122 EUR
$14,660 USD
View
13 more retailers have this diamond
Prices start from €2,136 EURSave up to €10,986 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
8.51ct Cushion
€2,136 EUR