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Radiant|Lab Grown|IGI

1.29ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG840630413

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

Certificate IGI LG840630413

Diamond specifications and retailer prices

From €241 EUR
As of November 4, 2026
Save €1,947 EUR (89%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: €2,188 EUR at Helzberg Diamonds · As of November 4, 2026
View at Helzberg Diamonds

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 LG840630413 or 840630413. Listed at 22 retailers as of November 4, 2026, with prices from €241 to €2,188, a €1,947 spread on the same certified stone. Helzberg Diamonds lists it at €2,188. 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 angle48.5°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840630413
Dimensions7.36 × 5.37 × 3.68 mm
L/W Ratio1.37
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
7.36 mm5.37 mm1.29 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840630413
Side View
Table 64.0%Crown 48.5°Girdle: MediumPavilion 37.6°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: €2,188 EUR|Low: €241 EUR|High: €2,976 EUR|Avg: €903 EUR
Helzberg Diamonds
Retailer 2
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Retailer 22
November 6, 2026
Retailer 10€241 EUR
Retailer 2€271 EUR
Retailer 20€280 EUR
Retailer 7€300 EUR
Retailer 13€306 EUR
Retailer 14€307 EUR
Retailer 22€441 EUR
Retailer 21€496 EUR
Retailer 16€522 EUR
Retailer 11€529 EUR
Retailer 15€532 EUR
Retailer 12€573 EUR
Retailer 3€773 EUR
Retailer 5€921 EUR
Retailer 19€964 EUR
Retailer 6€1,009 EUR
Retailer 8€1,083 EUR
Retailer 17€1,197 EUR
Retailer 9€1,213 EUR
Retailer 18€1,461 EUR
Retailer 4€1,880 EUR
Helzberg Diamonds€2,188 EUR

24 data points across 22 retailers

22 retailers€241 EUR to €2,188 EUR

A+
Cheapest Retailer
-
€241 EUR
A
Retailer 2
-
€271 EUR
View
A
Retailer 3
-
€280 EUR
View
Final sale: no returns
A
Retailer 4
-
€300 EUR
View
A
Retailer 5
-
€306 EUR
View
Retailer 6
-
€307 EUR
View
Price last confirmed 12 days ago
A
Retailer 7
-
€441 EUR
View
A
Retailer 8
-
€496 EUR
View
A
Retailer 9
-
€522 EUR
View
A
Retailer 10
-
€529 EUR
View
A
Retailer 11
-
€532 EUR
View
A
Retailer 12
-
€573 EUR
View
B+
Retailer 13
-
€773 EUR
View
B+
Retailer 14
-
€921 EUR
View
B+
Retailer 15
-
€964 EUR
View
B+
Retailer 16
-
€1,009 EUR
View
B+
Retailer 17
-
€1,083 EUR
View
B+
Retailer 18
-
€1,197 EUR
View
B+
Retailer 19
-
€1,213 EUR
View
B
Retailer 20
-
€1,461 EUR
View
B
Retailer 21
-
€1,880 EUR
View
Most Expensive
B
Helzberg Diamonds
ZXZOKGMJGKHJ · Nov 4
€2,188 EUR
$2,456 USD
View
21 more retailers have this diamond
Prices start from €241 EURSave up to €1,947 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
€241 EUR