Radiant|Lab Grown|IGI

1.23ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG743523333

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

Certificate IGI LG743523333

Diamond specifications and retailer prices

From $224 USD
As of October 27, 2026
Save $1,926 USD (90%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,150 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG743523333 or 743523333. Listed at 21 retailers as of October 27, 2026, with prices from $224 to $2,150, a $1,926 spread on the same certified stone. Do Amore Diamonds lists it at $2,150. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743523333
Dimensions7.68 × 5.25 × 3.52 mm
L/W Ratio1.46
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
7.68 mm5.25 mm1.23 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743523333
Side View
Table 63.0%Crown 42.1°Girdle: MED-STKPavilion 33.2°Culet: NoneDepth 67.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 27
Current: $582 USD|Low: $251 USD|High: $1,490 USD|Avg: $806 USD|+4.6%
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
October 30, 2026
Retailer 4$251 USD
Retailer 13$278 USD
Retailer 15$473 USD
Retailer 3$520 USD
Retailer 8$526 USD
Retailer 1$582 USD
Retailer 6$627 USD
Retailer 9$753 USD
Retailer 12$896 USD
Retailer 14$985 USD
Retailer 5$1,156 USD
Retailer 2$1,192 USD
Retailer 11$1,234 USD
Retailer 7$1,269 USD
Retailer 10$1,460 USD

41 data points across 15 retailers

21 retailers$224 USD to $2,150 USD

A
Cheapest Retailer
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$224 USD
A
Retailer 2
-
$251 USD
View
Final sale: no returns
A
Retailer 3
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$260 USD
View
A
Retailer 4
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$278 USD
View
A
Retailer 5
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$278 USD
View
A
Retailer 6
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$410 USD
HK$3,200 HKD
View
A
Retailer 7
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$473 USD
View
A
Retailer 8
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$520 USD
View
A
Retailer 9
-
$526 USD
ZAR 8,505 ZAR
View
A
Retailer 10
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$582 USD
£459 GBP
View
A
Retailer 11
-
$627 USD
View
B+
Retailer 12
-
$753 USD
A$1,158 AUD
View
B+
Retailer 13
-
$896 USD
View
B+
Retailer 14
-
$985 USD
View
B+
Retailer 15
-
$1,156 USD
View
B+
Retailer 16
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$1,189 USD
£936 GBP
View
B+
Retailer 17
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$1,192 USD
SGD 1,611 SGD
View
Retailer 18
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$1,234 USD
£972 GBP
View
Price last confirmed 9 days ago
B
Retailer 19
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$1,269 USD
View
Retailer 20
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$1,460 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Do Amore Diamonds
27-3C547B298 · Oct 29
$2,150 USD
View
20 more retailers have this diamond
Prices start from $224 USDSave up to $1,926 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
$224 USD