Radiant|Lab Grown|IGI

1.23ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG622490937

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

Certificate IGI LG622490937

Diamond specifications and retailer prices

From $195 USD
As of October 30, 2026
Save $1,015 USD (84%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,210 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.23ct lab-grown radiant diamond

This 1.23ct lab-grown radiant sits in the classic one-carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG622490937 or 622490937. Listed at 22 retailers as of October 30, 2026, with prices from $195 to $1,210, a $1,015 spread on the same certified stone. Brilliant Earth lists it at $1,210. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
E
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG622490937
Dimensions7.44 × 5.45 × 3.48 mm
L/W Ratio1.37
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
7.44 mm5.45 mm1.23 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG622490937
Side View
Table 62.0%Crown 47.4°Girdle: STK-THKPavilion 35.6°Culet: NoneDepth 63.9%

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: $1,210 USD|Low: $187 USD|High: $1,210 USD|Avg: $596 USD
Brilliant Earth
Retailer 2
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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
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Retailer 19
Retailer 20
November 1, 2026
Retailer 20$195 USD
Retailer 11$218 USD
Retailer 3$242 USD
Retailer 8$242 USD
Retailer 2$296 USD
Retailer 6$328 USD
Retailer 14$397 USD
Retailer 17$416 USD
Retailer 13$442 USD
Retailer 9$488 USD
Retailer 5$569 USD
Retailer 18$590 USD
Retailer 19$621 USD
Retailer 4$778 USD
Retailer 7$801 USD
Retailer 12$832 USD
Retailer 16$851 USD
Retailer 15$1,138 USD
Retailer 10$1,178 USD
Brilliant Earth$1,210 USD

40 data points across 20 retailers

22 retailers$195 USD to $1,210 USD

A
Cheapest Retailer
-
$195 USD
A
Retailer 2
-
$218 USD
View
Final sale: no returns
A
Retailer 3
-
$226 USD
View
A
Retailer 4
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$242 USD
View
A
Retailer 5
-
$242 USD
View
A
Retailer 6
-
$296 USD
£233 GBP
View
B+
Retailer 7
-
$328 USD
View
A
Retailer 8
-
$397 USD
€378 EUR
View
A
Retailer 9
-
$416 USD
ZAR 6,713 ZAR
View
A
Retailer 10
-
$442 USD
£348 GBP
View
A
Retailer 11
-
$488 USD
View
Retailer 12
-
$527 USD
View
Price last confirmed 33 days ago
B+
Retailer 13
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$569 USD
View
A
Retailer 14
-
$590 USD
A$908 AUD
View
B+
Retailer 15
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$621 USD
View
B+
Retailer 16
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$778 USD
View
B+
Retailer 17
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$817 USD
View
B+
Retailer 18
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$832 USD
View
B+
Retailer 19
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$851 USD
A$1,309 AUD
View
B
Retailer 20
-
$1,138 USD
£896 GBP
View
B
Retailer 21
-
$1,178 USD
View
Most Expensive
B
Brilliant Earth
9399427A · Oct 31
$1,210 USD
View
21 more retailers have this diamond
Prices start from $195 USDSave up to $1,015 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
1.23ct Radiant
$195 USD