Radiant|Lab Grown|IGI

1.29ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG750596125

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

Certificate IGI LG750596125

Diamond specifications and retailer prices

From $248 USD
As of October 27, 2026
Save $2,222 USD (90%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,470 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.29ct lab-grown radiant diamond

This 1.29ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG750596125 or 750596125. Listed at 22 retailers as of October 27, 2026, with prices from $248 to $2,470, a $2,222 spread on the same certified stone. Brilliant Earth lists it at $2,470. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750596125
Dimensions7.77 × 5.31 × 3.67 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
7.77 mm5.31 mm1.29 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750596125
Side View
Table 59.0%Crown 36.5°Girdle: Slightly ThickPavilion 36.2°Culet: NoneDepth 69.1%

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 27
Current: $2,470 USD|Low: $238 USD|High: $2,470 USD|Avg: $770 USD
Brilliant Earth
Retailer 2
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Retailer 5
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Retailer 11
Retailer 12
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Retailer 19
October 30, 2026
Retailer 18$248 USD
Retailer 9$277 USD
Retailer 5$288 USD
Retailer 6$308 USD
Retailer 19$308 USD
Retailer 16$508 USD
Retailer 4$517 USD
Retailer 12$529 USD
Retailer 8$549 USD
Retailer 2$586 USD
Retailer 13$749 USD
Retailer 11$879 USD
Retailer 3$990 USD
Retailer 17$994 USD
Retailer 7$995 USD
Retailer 10$1,204 USD
Retailer 14$1,236 USD
Retailer 15$1,465 USD
Brilliant Earth$2,470 USD

44 data points across 19 retailers

22 retailers$248 USD to $2,470 USD

A
Cheapest Retailer
-
$248 USD
A
Retailer 2
-
$277 USD
View
Final sale: no returns
A
Retailer 3
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$288 USD
View
A
Retailer 4
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$308 USD
View
A
Retailer 5
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$308 USD
View
A
Retailer 6
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$346 USD
HK$2,700 HKD
View
A
Retailer 7
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$508 USD
€484 EUR
View
A
Retailer 8
-
$517 USD
View
A
Retailer 9
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$529 USD
ZAR 8,549 ZAR
View
A
Retailer 10
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$549 USD
View
A
Retailer 11
-
$586 USD
£461 GBP
View
A
Retailer 12
-
$749 USD
A$1,153 AUD
View
B+
Retailer 13
-
$879 USD
View
B+
Retailer 14
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$990 USD
View
B+
Retailer 15
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$994 USD
View
B+
Retailer 16
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$995 USD
SGD 1,344 SGD
View
B+
Retailer 17
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$1,042 USD
View
B+
Retailer 18
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$1,204 USD
£948 GBP
View
B+
Retailer 19
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$1,236 USD
£973 GBP
View
B
Retailer 20
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$1,348 USD
View
Retailer 21
-
$1,465 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
19055906A · Oct 29
$2,470 USD
View
21 more retailers have this diamond
Prices start from $248 USDSave up to $2,222 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
1.29ct Radiant
$248 USD