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Radiant|Lab Grown|IGI

1.01ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG840630577

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

Certificate IGI LG840630577

Diamond specifications and retailer prices

From $170 USD
As of October 27, 2026
Save $1,410 USD (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,580 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 LG840630577 or 840630577. Listed at 22 retailers as of October 27, 2026, with prices from $170 to $1,580, a $1,410 spread on the same certified stone. Brilliant Earth lists it at $1,580. 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 angle40.3°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630577
Dimensions7.14 × 5.00 × 3.42 mm
L/W Ratio1.43
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
7.14 mm5.00 mm1.01 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630577
Side View
Table 68.0%Crown 40.3°Girdle: MediumPavilion 37°Culet: NoneDepth 68.4%

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: $1,580 USD|Low: $170 USD|High: $1,580 USD|Avg: $607 USD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 7
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Retailer 22
October 29, 2026
Retailer 3$170 USD
Retailer 8$190 USD
Retailer 18$197 USD
Retailer 6$211 USD
Retailer 7$211 USD
Retailer 22$224 USD
Retailer 13$362 USD
Retailer 17$370 USD
Retailer 2$374 USD
Retailer 11$377 USD
Retailer 10$452 USD
Retailer 16$514 USD
Retailer 20$550 USD
Retailer 15$586 USD
Retailer 4$677 USD
Retailer 12$708 USD
Retailer 5$715 USD
Retailer 9$732 USD
Retailer 21$991 USD
Retailer 19$1,130 USD
Retailer 14$1,569 USD
Brilliant Earth$1,580 USD

17 data points across 22 retailers

22 retailers$170 USD to $1,580 USD

A
Cheapest Retailer
-
$170 USD
A
Retailer 2
-
$190 USD
View
Final sale: no returns
A
Retailer 3
-
$197 USD
View
A
Retailer 4
-
$211 USD
View
A
Retailer 5
-
$211 USD
View
Retailer 6
-
$224 USD
£176 GBP
View
Price last confirmed 12 days ago
A
Retailer 7
-
$362 USD
ZAR 5,842 ZAR
View
A
Retailer 8
-
$370 USD
€352 EUR
View
A
Retailer 9
-
$374 USD
£295 GBP
View
A
Retailer 10
-
$377 USD
View
A
Retailer 11
-
$452 USD
View
A
Retailer 12
-
$514 USD
A$790 AUD
View
A
Retailer 13
-
$550 USD
View
B+
Retailer 14
-
$586 USD
SGD 792 SGD
View
B+
Retailer 15
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$677 USD
View
B+
Retailer 16
-
$708 USD
View
B+
Retailer 17
-
$715 USD
View
B+
Retailer 18
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$732 USD
View
B
Retailer 19
-
$991 USD
£780 GBP
View
Retailer 20
-
$1,130 USD
View
Price last confirmed 11 days ago
B
Retailer 21
-
$1,569 USD
View
Most Expensive
B
Brilliant Earth
21813859A · Oct 29
$1,580 USD
View
21 more retailers have this diamond
Prices start from $170 USDSave up to $1,410 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
$170 USD