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Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG776609284

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

Certificate IGI LG776609284

Diamond specifications and retailer prices

From $184 USD
As of October 30, 2026
Save $1,586 USD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,770 USD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG776609284 or 776609284. Listed at 19 retailers as of October 30, 2026, with prices from $184 to $1,770, a $1,586 spread on the same certified stone. Do Amore Diamonds lists it at $1,770. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle35.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776609284
Dimensions5.07 × 5.07 × 7.37 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
5.07 mm5.07 mm1.09 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776609284
Side View
Table 63.0%Crown 42.1°Girdle: MediumPavilion 35.7°Culet: NoneDepth 67.9%

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: $1,770 USD|Low: $184 USD|High: $1,770 USD|Avg: $644 USD
Do Amore Diamonds
Retailer 2
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Retailer 19
October 30, 2026
Retailer 3$184 USD
Retailer 8$206 USD
Retailer 19$214 USD
Retailer 4$229 USD
Retailer 10$402 USD
Retailer 14$433 USD
Retailer 12$464 USD
Retailer 7$497 USD
Retailer 6$546 USD
Retailer 15$617 USD
Retailer 18$637 USD
Retailer 5$811 USD
Retailer 11$852 USD
Retailer 16$944 USD
Retailer 9$983 USD
Retailer 13$1,186 USD
Retailer 17$1,210 USD
Retailer 2$1,410 USD
Do Amore Diamonds$1,770 USD

44 data points across 19 retailers

19 retailers$184 USD to $1,770 USD

A
Cheapest Retailer
-
$184 USD
A
Retailer 2
-
$206 USD
View
Final sale: no returns
A
Retailer 3
-
$214 USD
View
A
Retailer 4
-
$229 USD
View
A
Retailer 5
-
$402 USD
View
A
Retailer 6
-
$433 USD
ZAR 6,998 ZAR
View
A
Retailer 7
-
$464 USD
£365 GBP
View
A
Retailer 8
-
$497 USD
View
A
Retailer 9
-
$546 USD
View
A
Retailer 10
-
$617 USD
A$949 AUD
View
B+
Retailer 11
-
$637 USD
View
B+
Retailer 12
-
$811 USD
View
B+
Retailer 13
-
$852 USD
SGD 1,152 SGD
View
B+
Retailer 14
-
$944 USD
A$1,452 AUD
View
B+
Retailer 15
-
$983 USD
View
B
Retailer 16
-
$1,186 USD
£934 GBP
View
Retailer 17
-
$1,210 USD
View
Price last confirmed 11 days ago
B
Retailer 18
-
$1,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-EDEAFE901 · Oct 30
$1,770 USD
View
18 more retailers have this diamond
Prices start from $184 USDSave up to $1,586 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
$184 USD