Radiant|Lab Grown|IGI

1.09ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG696523180

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

Certificate IGI LG696523180

Diamond specifications and retailer prices

From $211 USD
As of October 30, 2026
Save $1,359 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,570 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

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 LG696523180 or 696523180. Listed at 23 retailers as of October 30, 2026, with prices from $211 to $1,570, a $1,359 spread on the same certified stone. Brilliant Earth lists it at $1,570. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG696523180
Dimensions7.15 × 5.07 × 3.45 mm
L/W Ratio1.41
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
7.15 mm5.07 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG696523180
Side View
Table 66.0%Crown 43.7°Girdle: MED-STKPavilion 36.1°Culet: NoneDepth 68.0%

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: $1,570 USD|Low: $201 USD|High: $1,810 USD|Avg: $676 USD|-11.3%
Brilliant Earth
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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 3$211 USD
Retailer 13$235 USD
Retailer 17$245 USD
Retailer 6$261 USD
Retailer 9$261 USD
Retailer 14$449 USD
Retailer 7$451 USD
Retailer 2$483 USD
Retailer 16$494 USD
Retailer 5$500 USD
Retailer 15$639 USD
Retailer 4$840 USD
Retailer 18$843 USD
Retailer 10$894 USD
Retailer 11$958 USD
Retailer 12$1,053 USD
Retailer 19$1,210 USD
Retailer 8$1,228 USD
Brilliant Earth$1,570 USD

37 data points across 19 retailers

23 retailers$211 USD to $1,570 USD

A
Cheapest Retailer
-
$211 USD
A
Retailer 2
-
$235 USD
View
Final sale: no returns
A
Retailer 3
-
$245 USD
View
A
Retailer 4
-
$261 USD
View
A
Retailer 5
-
$261 USD
View
A
Retailer 6
-
$449 USD
ZAR 7,256 ZAR
View
A
Retailer 7
-
$451 USD
View
A
Retailer 8
-
$483 USD
£380 GBP
View
Retailer 9
-
$494 USD
€470 EUR
View
Price last confirmed 7 days ago
A
Retailer 10
-
$500 USD
View
A
Retailer 11
-
$639 USD
A$983 AUD
View
B+
Retailer 12
-
$643 USD
View
B+
Retailer 13
-
$711 USD
View
B+
Retailer 14
-
$840 USD
View
Retailer 15
-
$843 USD
View
Price last confirmed 11 days ago
B+
Retailer 16
-
$894 USD
View
B+
Retailer 17
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$938 USD
View
Retailer 18
-
$958 USD
A$1,474 AUD
View
Price last confirmed 22 days ago
B+
Retailer 19
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$1,053 USD
£829 GBP
View
Retailer 20
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$1,180 USD
View
Price last confirmed 60 days ago
Retailer 21
-
$1,210 USD
View
Price last confirmed 12 days ago
B
Retailer 22
-
$1,228 USD
View
Most Expensive
B
Brilliant Earth
14716120A · Oct 30
$1,570 USD
View
22 more retailers have this diamond
Prices start from $211 USDSave up to $1,359 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
$211 USD