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 €2,127 EUR
$2,386 USD
As of November 1, 2026
Save €10,943 EUR (84%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €13,071 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 November 1, 2026, with prices from €2,127 to €13,071, a €10,943 spread on the same certified stone. Do Amore Diamonds lists it at €13,071. 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
Colour
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: Nov 1
Current: €13,071 EUR|Low: €2,127 EUR|High: €13,926 EUR|Avg: €5,119 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 2, 2026
Retailer 13€2,127 EUR
Retailer 16€2,203 EUR
Retailer 12€2,349 EUR
Retailer 3€2,570 EUR
Retailer 5€2,602 EUR
Retailer 2€2,893 EUR
Retailer 8€2,955 EUR
Retailer 15€3,094 EUR
Retailer 11€4,079 EUR
Retailer 10€4,506 EUR
Retailer 4€4,620 EUR
Retailer 14€6,176 EUR
Retailer 9€6,511 EUR
Retailer 6€8,492 EUR
Retailer 7€11,145 EUR
Do Amore Diamonds€13,071 EUR

30 data points across 16 retailers

14 retailers€2,127 EUR to €13,071 EUR

A
Cheapest Retailer
-
€2,127 EUR
$2,386 USD
Final sale: no returns
Retailer 2
-
€2,203 EUR
$2,471 USD
View
Price last confirmed 22 days ago
A
Retailer 3
-
€2,349 EUR
$2,635 USD
View
A
Retailer 4
-
€2,570 EUR
$2,883 USD
View
A
Retailer 5
-
€2,602 EUR
$2,918 USD
View
A
Retailer 6
-
€2,893 EUR
£2,555 GBP
View
A
Retailer 7
-
€3,094 EUR
$3,470 USD
View
B+
Retailer 8
-
€4,079 EUR
ZAR 73,903 ZAR
View
B+
Retailer 9
-
€4,506 EUR
A$7,775 AUD
View
B+
Retailer 10
-
€4,620 EUR
£4,080 GBP
View
B
Retailer 11
-
€6,176 EUR
$6,927 USD
View
B
Retailer 12
-
€6,511 EUR
£5,750 GBP
View
B
Retailer 13
-
€8,492 EUR
$9,525 USD
View
Most Expensive
B
Do Amore Diamonds
27-522F630BB · Nov 1
€13,071 EUR
$14,660 USD
View
13 more retailers have this diamond
Prices start from €2,127 EURSave up to €10,943 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
€2,127 EUR