Radiant|Lab Grown|IGI

1.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG800679998

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

Certificate IGI LG800679998

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)
11 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 LG800679998 or 800679998. Listed at 11 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39°
Pavilion angle33°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800679998
Dimensions7.95 × 5.46 × 3.46 mm
L/W Ratio1.46
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
7.95 mm5.46 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800679998
Side View
Table 62.0%Crown 39°Girdle: MED-STKPavilion 33°Culet: NoneDepth 63.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 4
Current: €2,985 EUR|Low: €478 EUR|High: €2,985 EUR|Avg: €1,154 EUR
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 3€478 EUR
Retailer 10€590 EUR
Retailer 6€628 EUR
Retailer 5€674 EUR
Retailer 4€748 EUR
Retailer 8€805 EUR
Retailer 7€960 EUR
Retailer 9€1,377 EUR
Retailer 11€1,612 EUR
Retailer 2€1,627 EUR
Brilliant Earth€2,985 EUR

44 data points across 11 retailers

11 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
B+
Retailer 5
-
€748 EUR
View
A
Retailer 6
-
€805 EUR
View
B+
Retailer 7
-
€960 EUR
View
B+
Retailer 8
-
€1,377 EUR
View
B+
Retailer 9
-
€1,612 EUR
View
B+
Retailer 10
-
€1,627 EUR
View
Most Expensive
B
Brilliant Earth
21143984A · Nov 4
€2,985 EUR
$3,350 USD
View
10 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