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Radiant|Lab Grown|IGI

1.29ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG768629373

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

Certificate IGI LG768629373

Diamond specifications and retailer prices

From €478 EUR
As of November 4, 2026
Save €2,506 EUR (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,985 EUR at Brilliant Earth · As of November 4, 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 D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG768629373 or 768629373. Listed at 13 retailers as of November 4, 2026, with prices from €478 to €2,985, a €2,506 spread on the same certified stone. Brilliant Earth lists it at €2,985. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.29
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG768629373
Dimensions7.77 × 5.46 × 3.62 mm
L/W Ratio1.42
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 mm5.46 mm1.29 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG768629373
Side View
Table 62.0%Crown 42.1°Girdle: Slightly ThickPavilion 34.1°Culet: NoneDepth 66.3%

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: Nov 4
Current: €2,985 EUR|Low: €478 EUR|High: €2,985 EUR|Avg: €1,187 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 5€478 EUR
Retailer 3€590 EUR
Retailer 10€628 EUR
Retailer 9€674 EUR
Retailer 8€720 EUR
Retailer 6€748 EUR
Retailer 12€805 EUR
Retailer 11€960 EUR
Retailer 13€1,377 EUR
Retailer 7€1,452 EUR
Retailer 4€1,612 EUR
Retailer 2€1,627 EUR
Brilliant Earth€2,985 EUR

44 data points across 13 retailers

13 retailers€478 EUR to €2,985 EUR

A
Cheapest Retailer
-
€478 EUR
A
Retailer 2
-
€590 EUR
View
A
Retailer 3
-
€628 EUR
View
A
Retailer 4
-
€674 EUR
View
A
Retailer 5
-
€720 EUR
View
B+
Retailer 6
-
€748 EUR
View
B+
Retailer 7
-
€805 EUR
View
B+
Retailer 8
-
€960 EUR
View
B
Retailer 9
-
€1,377 EUR
View
B+
Retailer 10
-
€1,452 EUR
View
B
Retailer 11
-
€1,612 EUR
View
B+
Retailer 12
-
€1,627 EUR
View
Most Expensive
B
Brilliant Earth
18692110A · Nov 4
€2,985 EUR
$3,350 USD
View
12 more retailers have this diamond
Prices start from €478 EURSave up to €2,506 EUR

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
€478 EUR