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Radiant|Lab Grown|IGI

1.09ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG645435170

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

Certificate IGI LG645435170

Diamond specifications and retailer prices

From €195 EUR
$218 USD
As of October 30, 2026
Save €924 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,119 EUR at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.09ct lab-grown radiant diamond

This 1.09ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG645435170 or 645435170. Listed at 17 retailers as of October 30, 2026, with prices from €195 to €1,119, a €924 spread on the same certified stone. Reve Diamonds lists it at €1,119. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.09
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.2°
Pavilion angle31.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645435170
Dimensions7.28 × 4.98 × 3.42 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.28 mm4.98 mm1.09 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645435170
Side View
Table 68.0%Crown 40.2°Girdle: MediumPavilion 31.9°Culet: NoneDepth 68.7%

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: €449 EUR|Low: €187 EUR|High: €1,119 EUR|Avg: €541 EUR|+8.7%
Retailer 1
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
Reve Diamonds
October 31, 2026
Retailer 14€195 EUR
Retailer 8€218 EUR
Retailer 3€226 EUR
Retailer 4€242 EUR
Retailer 15€242 EUR
Retailer 5€338 EUR
Retailer 2€414 EUR
Retailer 10€415 EUR
Retailer 1€449 EUR
Retailer 6€454 EUR
Retailer 11€591 EUR
Retailer 16€777 EUR
Retailer 12€780 EUR
Retailer 7€824 EUR
Retailer 9€974 EUR
Retailer 13€1,011 EUR
Reve Diamonds€1,119 EUR

44 data points across 17 retailers

17 retailers€195 EUR to €1,119 EUR

A
Cheapest Retailer
-
€195 EUR
$218 USD
A
Retailer 2
-
€218 EUR
$244 USD
View
Final sale: no returns
A
Retailer 3
-
€226 EUR
$253 USD
View
A
Retailer 4
-
€242 EUR
$270 USD
View
A
Retailer 5
-
€242 EUR
$270 USD
View
A
Retailer 6
-
€338 EUR
$378 USD
View
B+
Retailer 7
-
€414 EUR
$462 USD
View
B+
Retailer 8
-
€415 EUR
ZAR 7,495 ZAR
View
B+
Retailer 9
-
€449 EUR
£395 GBP
View
B+
Retailer 10
-
€454 EUR
$507 USD
View
B+
Retailer 11
-
€591 EUR
A$1,015 AUD
View
B
Retailer 12
-
€777 EUR
$868 USD
View
B
Retailer 13
-
€780 EUR
$871 USD
View
B
Retailer 14
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€824 EUR
$921 USD
View
B
Retailer 15
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€974 EUR
£857 GBP
View
B
Retailer 16
-
€1,011 EUR
$1,130 USD
View
Most Expensive
B
Reve Diamonds
10859158B · Oct 30
€1,119 EUR
$1,250 USD
View
16 more retailers have this diamond
Prices start from €195 EURSave up to €924 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
1.09ct Radiant
€195 EUR