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Radiant|Lab Grown|IGI

1.09ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG811627603

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

Certificate IGI LG811627603

Diamond specifications and retailer prices

From $166 USD
As of October 27, 2026
Save $1,307 USD (89%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,473 USD at Queensmith · As of October 27, 2026
View at Queensmith

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 top-tier cut grade and certified by IGI LG811627603 or 811627603. Listed at 20 retailers as of October 27, 2026, with prices from $166 to $1,473, a $1,307 spread on the same certified stone. Queensmith lists it at $1,473. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.1°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811627603
Dimensions6.98 × 5.01 × 3.64 mm
L/W Ratio1.39
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm5.01 mm1.09 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811627603
Side View
Table 64.0%Crown 38.1°Girdle: Slightly ThickPavilion 40.1°Culet: NoneDepth 72.7%

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 27
Current: $364 USD|Low: $160 USD|High: $975 USD|Avg: $444 USD|+4.1%
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
October 28, 2026
Retailer 12$166 USD
Retailer 5$186 USD
Retailer 2$206 USD
Retailer 3$280 USD
Retailer 6$354 USD
Retailer 1$364 USD
Retailer 10$402 USD
Retailer 4$451 USD
Retailer 8$502 USD
Retailer 7$601 USD
Retailer 11$700 USD
Retailer 13$740 USD
Retailer 9$965 USD

44 data points across 13 retailers

20 retailers$166 USD to $1,473 USD

A
Cheapest Retailer
-
$166 USD
A
Retailer 2
-
$186 USD
View
Final sale: no returns
A
Retailer 3
-
$193 USD
View
A
Retailer 4
-
$206 USD
View
A
Retailer 5
-
$206 USD
View
B+
Retailer 6
-
$280 USD
View
A
Retailer 7
-
$354 USD
ZAR 5,719 ZAR
View
A
Retailer 8
-
$359 USD
View
A
Retailer 9
-
$364 USD
£287 GBP
View
A
Retailer 10
-
$402 USD
€383 EUR
View
B+
Retailer 11
-
$451 USD
View
B+
Retailer 12
-
$502 USD
A$773 AUD
View
B+
Retailer 13
-
$601 USD
A$924 AUD
View
B+
Retailer 14
-
$663 USD
View
B
Retailer 15
-
$700 USD
View
B
Retailer 16
-
$718 USD
View
B
Retailer 17
-
$740 USD
View
Price last confirmed 20 days ago
B
Retailer 18
-
$965 USD
£760 GBP
View
B
Retailer 19
-
$1,086 USD
View
Most Expensive
B
Queensmith
LG811627603 · Oct 27
$1,473 USD
£1,160 GBP
View
19 more retailers have this diamond
Prices start from $166 USDSave up to $1,307 USD

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
$166 USD