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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 $306 CAD
$218 USD
As of October 27, 2026
Save $1,450 CAD (83%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,756 CAD at Reve Diamonds · As of October 28, 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 27, 2026, with prices from $306 to $1,756, a $1,450 spread on the same certified stone. Reve Diamonds lists it at $1,756. 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

How it works →
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 27
Current: $1,529 CAD|Low: $329 CAD|High: $1,756 CAD|Avg: $964 CAD|+4.4%
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 29, 2026
Retailer 4$343 CAD
Retailer 12$531 CAD
Retailer 11$649 CAD
Retailer 6$652 CAD
Retailer 5$700 CAD
Retailer 2$712 CAD
Retailer 7$927 CAD
Retailer 10$1,219 CAD
Retailer 8$1,223 CAD
Retailer 3$1,294 CAD
Retailer 1$1,529 CAD
Retailer 9$1,587 CAD
Reve Diamonds$1,756 CAD

43 data points across 13 retailers

17 retailers$306 CAD to $1,756 CAD

A
Cheapest Retailer
-
$306 CAD
$218 USD
A
Retailer 2
-
$343 CAD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$355 CAD
$253 USD
View
A
Retailer 4
-
$379 CAD
$270 USD
View
A
Retailer 5
-
$379 CAD
$270 USD
View
A
Retailer 6
-
$531 CAD
$378 USD
View
B+
Retailer 7
-
$649 CAD
$462 USD
View
B+
Retailer 8
-
$652 CAD
ZAR 7,495 ZAR
View
B+
Retailer 9
-
$700 CAD
£392 GBP
View
B+
Retailer 10
-
$712 CAD
$507 USD
View
B+
Retailer 11
-
$927 CAD
A$1,015 AUD
View
B
Retailer 12
-
$1,219 CAD
$868 USD
View
B
Retailer 13
-
$1,223 CAD
$871 USD
View
B
Retailer 14
-
$1,294 CAD
$921 USD
View
B
Retailer 15
-
$1,529 CAD
£857 GBP
View
B
Retailer 16
-
$1,587 CAD
$1,130 USD
View
Most Expensive
B
Reve Diamonds
10859158B · Oct 28
$1,756 CAD
$1,250 USD
View
16 more retailers have this diamond
Prices start from $306 CADSave up to $1,450 CAD

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
$306 CAD