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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 €196 EUR
$218 USD
As of October 30, 2026
Save €928 EUR (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €1,123 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 €196 to €1,123, a €928 spread on the same certified stone. Reve Diamonds lists it at €1,123. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €450 EUR|Low: €210 EUR|High: €1,123 EUR|Avg: €619 EUR|+9.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
October 30, 2026
Retailer 4€219 EUR
Retailer 12€340 EUR
Retailer 11€415 EUR
Retailer 6€417 EUR
Retailer 1€450 EUR
Retailer 2€456 EUR
Retailer 7€593 EUR
Retailer 10€780 EUR
Retailer 8€783 EUR
Retailer 3€827 EUR
Retailer 5€978 EUR
Retailer 9€1,015 EUR
Reve Diamonds€1,123 EUR

43 data points across 13 retailers

17 retailers€196 EUR to €1,123 EUR

A
Cheapest Retailer
-
€196 EUR
$218 USD
A
Retailer 2
-
€219 EUR
$244 USD
View
Final sale: no returns
A
Retailer 3
-
€227 EUR
$253 USD
View
A
Retailer 4
-
€243 EUR
$270 USD
View
A
Retailer 5
-
€243 EUR
$270 USD
View
A
Retailer 6
-
€340 EUR
$378 USD
View
B+
Retailer 7
-
€415 EUR
$462 USD
View
B+
Retailer 8
-
€417 EUR
ZAR 7,495 ZAR
View
B+
Retailer 9
-
€450 EUR
£395 GBP
View
B+
Retailer 10
-
€456 EUR
$507 USD
View
B+
Retailer 11
-
€593 EUR
A$1,015 AUD
View
B
Retailer 12
-
€780 EUR
$868 USD
View
B
Retailer 13
-
€783 EUR
$871 USD
View
B
Retailer 14
-
€827 EUR
$921 USD
View
B
Retailer 15
-
€978 EUR
£857 GBP
View
B
Retailer 16
-
€1,015 EUR
$1,130 USD
View
Most Expensive
B
Reve Diamonds
10859158B · Oct 30
€1,123 EUR
$1,250 USD
View
16 more retailers have this diamond
Prices start from €196 EURSave up to €928 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
€196 EUR