Radiant|Lab Grown|IGI

1.01ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG667445231

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

Certificate IGI LG667445231

Diamond specifications and retailer prices

From $160 USD
As of October 27, 2026
Save $1,758 USD (92%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,918 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.01ct lab-grown radiant diamond

This 1.01ct 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 LG667445231 or 667445231. Listed at 22 retailers as of October 27, 2026, with prices from $160 to $1,918, a $1,758 spread on the same certified stone. Queensmith lists it at $1,918. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.01
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.7°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG667445231
Dimensions7.07 × 5.05 × 3.39 mm
L/W Ratio1.40
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
7.07 mm5.05 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG667445231
Side View
Table 65.0%Crown 41.7°Girdle: MED-STKPavilion 35°Culet: NoneDepth 67.1%

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: $1,918 USD|Low: $158 USD|High: $1,918 USD|Avg: $536 USD
Queensmith
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
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Retailer 11
Retailer 12
Retailer 13
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Retailer 20
October 28, 2026
Retailer 6$160 USD
Retailer 4$179 USD
Retailer 14$186 USD
Retailer 17$198 USD
Retailer 11$214 USD
Retailer 5$233 USD
Retailer 19$270 USD
Retailer 10$368 USD
Retailer 2$395 USD
Retailer 16$429 USD
Retailer 8$438 USD
Retailer 13$534 USD
Retailer 7$542 USD
Retailer 15$704 USD
Retailer 12$879 USD
Retailer 3$883 USD
Retailer 20$1,030 USD
Retailer 9$1,062 USD
Retailer 18$1,540 USD
Queensmith$1,918 USD

33 data points across 20 retailers

22 retailers$160 USD to $1,918 USD

A
Cheapest Retailer
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$160 USD
A
Retailer 2
-
$179 USD
View
Final sale: no returns
A
Retailer 3
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$186 USD
View
A
Retailer 4
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$198 USD
View
A
Retailer 5
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$214 USD
View
Price last confirmed 17 days ago
A
Retailer 6
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$233 USD
£183 GBP
View
Price last confirmed 12 days ago
B+
Retailer 7
-
$270 USD
View
A
Retailer 8
-
$333 USD
HK$2,600 HKD
View
Price last confirmed 55 days ago
A
Retailer 9
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$368 USD
ZAR 5,951 ZAR
View
Price last confirmed 16 days ago
A
Retailer 10
-
$395 USD
£311 GBP
View
A
Retailer 11
-
$429 USD
View
A
Retailer 12
-
$534 USD
A$822 AUD
View
A
Retailer 13
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$542 USD
View
Price last confirmed 13 days ago
B+
Retailer 14
-
$704 USD
View
B+
Retailer 15
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$807 USD
£636 GBP
View
B+
Retailer 16
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$879 USD
A$1,353 AUD
View
Price last confirmed 24 days ago
B+
Retailer 17
-
$883 USD
View
B+
Retailer 18
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$930 USD
£732 GBP
View
Price last confirmed 30 days ago
B+
Retailer 19
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$1,030 USD
£811 GBP
View
B
Retailer 20
-
$1,062 USD
View
Price last confirmed 13 days ago
B
Retailer 21
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$1,540 USD
View
Most Expensive
B
Queensmith
LG667445231 · Oct 27
$1,918 USD
£1,510 GBP
View
21 more retailers have this diamond
Prices start from $160 USDSave up to $1,758 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
1.01ct Radiant
$160 USD