Radiant|Lab Grown|IGI

8.55ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG840648354

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG840648354

Diamond specifications and retailer prices

From €2,456 EUR
$2,744 USD
As of October 30, 2026
Save €8,012 EUR (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €14,693 EUR at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 8.55ct lab-grown radiant diamond

This 8.55ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840648354 or 840648354. Listed at 23 retailers as of October 30, 2026, with a 326% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

8.55
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840648354
Dimensions15.47 × 9.81 × 6.18 mm
L/W Ratio1.58
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.47 mm9.81 mm8.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840648354
Side View
Table 66.0%Crown 43°Girdle: ThickPavilion 31.9°Culet: NoneDepth 63.0%

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 30
Current: €5,279 EUR|Low: €2,456 EUR|High: €10,617 EUR|Avg: €5,031 EUR|-0.2%
Retailer 1
Retailer 2
Retailer 3
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Retailer 21
Retailer 22
November 1, 2026
Retailer 15€2,456 EUR
Retailer 2€2,673 EUR
Retailer 9€2,752 EUR
Retailer 13€2,849 EUR
Retailer 6€2,994 EUR
Retailer 4€3,120 EUR
Retailer 12€3,390 EUR
Retailer 16€3,817 EUR
Retailer 11€3,917 EUR
Retailer 22€4,073 EUR
Retailer 5€4,181 EUR
Retailer 19€4,310 EUR
Retailer 20€4,779 EUR
Retailer 8€4,911 EUR
Retailer 1€5,279 EUR
Retailer 7€6,136 EUR
Retailer 17€7,157 EUR
Retailer 21€7,670 EUR
Retailer 18€8,262 EUR
Retailer 10€9,932 EUR
Retailer 14€10,079 EUR
Retailer 3€10,468 EUR

19 data points across 22 retailers

23 retailers€2,456 EUR to €10,468 EUR

A
Cheapest Retailer
-
€2,456 EUR
$2,744 USD
A
Retailer 2
-
€2,673 EUR
$2,986 USD
View
A
Retailer 3
-
€2,752 EUR
$3,074 USD
View
Final sale: no returns
A
Retailer 4
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€2,849 EUR
$3,183 USD
View
A
Retailer 5
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€2,994 EUR
$3,345 USD
View
A
Retailer 6
-
€3,120 EUR
$3,486 USD
View
B+
Retailer 7
-
€3,390 EUR
£2,983 GBP
View
B+
Retailer 8
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€3,817 EUR
£3,358 GBP
View
B+
Retailer 9
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€3,917 EUR
$4,376 USD
View
B+
Retailer 10
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€4,073 EUR
$4,550 USD
View
B+
Retailer 11
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€4,181 EUR
$4,671 USD
View
B+
Retailer 12
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€4,310 EUR
View
B+
Retailer 13
-
€4,779 EUR
ZAR 86,251 ZAR
View
B+
Retailer 14
-
€4,911 EUR
£4,320 GBP
View
Retailer 15
-
€5,279 EUR
A$9,074 AUD
View
B+
Retailer 16
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€6,136 EUR
$6,855 USD
View
B
Retailer 17
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€7,157 EUR
$7,996 USD
View
B
Retailer 18
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€7,670 EUR
£6,747 GBP
View
B
Retailer 19
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€8,262 EUR
A$14,201 AUD
View
B
Retailer 20
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€9,932 EUR
$11,097 USD
View
B
Retailer 21
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€10,079 EUR
SGD 15,216 SGD
View
B
Retailer 22
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€10,468 EUR
$11,695 USD
View
Most Expensive
Helzberg Diamonds
ZXZOKGMKOJLK · Oct 13
€14,693 EUR
$16,415 USD
View
Price last confirmed 19 days ago
22 more retailers have this diamond
Prices start from €2,456 EURSave up to €8,012 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
8.55ct Radiant
€2,456 EUR