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Radiant|Lab Grown|IGI

1.00ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG668427826

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

Certificate IGI LG668427826

Diamond specifications and retailer prices

From $244 USD
As of October 27, 2026
Save $2,096 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,340 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1ct lab-grown radiant diamond

This 1ct 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 LG668427826 or 668427826. Listed at 22 retailers as of October 27, 2026, with prices from $244 to $2,340, a $2,096 spread on the same certified stone. Do Amore Diamonds lists it at $2,340. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.3°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG668427826
Dimensions7.09 × 4.88 × 3.28 mm
L/W Ratio1.45
Culet sizePointed
Top View
7.09 mm4.88 mm1.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG668427826
Side View
Table 66.0%Crown 43.3°Girdle: MediumPavilion 34.3°Culet: NoneDepth 67.2%

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: $587 USD|Low: $234 USD|High: $1,960 USD|Avg: $650 USD|+3.2%
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
Retailer 14
Retailer 15
Retailer 16
October 29, 2026
Retailer 3$244 USD
Retailer 5$273 USD
Retailer 2$283 USD
Retailer 14$303 USD
Retailer 16$303 USD
Retailer 13$355 USD
Retailer 7$406 USD
Retailer 8$443 USD
Retailer 10$574 USD
Retailer 1$587 USD
Retailer 9$813 USD
Retailer 6$930 USD
Retailer 15$977 USD
Retailer 4$1,074 USD
Retailer 11$1,346 USD
Retailer 12$1,900 USD

43 data points across 16 retailers

22 retailers$244 USD to $2,340 USD

A
Cheapest Retailer
-
$244 USD
A
Retailer 2
-
$273 USD
View
Final sale: no returns
A
Retailer 3
-
$283 USD
View
A
Retailer 4
-
$303 USD
View
A
Retailer 5
-
$303 USD
View
Retailer 6
-
$355 USD
£280 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$406 USD
View
A
Retailer 8
-
$440 USD
View
A
Retailer 9
-
$443 USD
View
A
Retailer 10
-
$574 USD
ZAR 9,278 ZAR
View
A
Retailer 11
-
$587 USD
£462 GBP
View
B+
Retailer 12
-
$813 USD
A$1,251 AUD
View
B+
Retailer 13
-
$930 USD
A$1,430 AUD
View
B+
Retailer 14
-
$977 USD
View
B+
Retailer 15
-
$1,074 USD
View
B
Retailer 16
-
$1,141 USD
£899 GBP
View
B
Retailer 17
-
$1,242 USD
View
B
Retailer 18
-
$1,295 USD
£1,020 GBP
View
B
Retailer 19
-
$1,333 USD
View
Retailer 20
-
$1,346 USD
£1,060 GBP
View
Price last confirmed 11 days ago
B
Retailer 21
-
$1,900 USD
View
Most Expensive
B
Do Amore Diamonds
27-761D7E9D0 · Oct 29
$2,340 USD
View
21 more retailers have this diamond
Prices start from $244 USDSave up to $2,096 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
1.00ct Radiant
$244 USD