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Radiant|Lab Grown|IGI

1.00ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG840633325

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

Certificate IGI LG840633325

Diamond specifications and retailer prices

From €205 EUR
$229 USD
As of October 30, 2026
Save €1,684 EUR (89%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €1,889 EUR at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 1ct lab-grown radiant diamond

This 1ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840633325 or 840633325. Listed at 21 retailers as of October 28, 2026, with prices from €205 to €1,889, a €1,684 spread on the same certified stone. Rare Carat lists it at €1,889. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.1°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840633325
Dimensions6.78 × 5.01 × 3.44 mm
L/W Ratio1.35
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
6.78 mm5.01 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840633325
Side View
Table 68.0%Crown 42.1°Girdle: Slightly ThickPavilion 37°Culet: NoneDepth 68.7%

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: Oct 30
Current: €1,889 EUR|Low: €205 EUR|High: €2,318 EUR|Avg: €725 EUR|-0.7%
Rare Carat
Retailer 2
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Retailer 21
October 31, 2026
Retailer 12€205 EUR
Retailer 4€229 EUR
Retailer 20€237 EUR
Retailer 11€254 EUR
Retailer 19€254 EUR
Retailer 16€262 EUR
Retailer 5€431 EUR
Retailer 17€436 EUR
Retailer 2€441 EUR
Retailer 21€462 EUR
Retailer 13€471 EUR
Retailer 7€492 EUR
Retailer 10€715 EUR
Retailer 9€816 EUR
Retailer 6€819 EUR
Retailer 8€863 EUR
Retailer 3€925 EUR
Retailer 18€1,019 EUR
Retailer 15€1,611 EUR
Retailer 14€1,695 EUR
Rare Carat€1,889 EUR

24 data points across 21 retailers

21 retailers€205 EUR to €1,889 EUR

A
Cheapest Retailer
-
€205 EUR
$229 USD
A
Retailer 2
-
€229 EUR
$256 USD
View
Final sale: no returns
A
Retailer 3
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€237 EUR
$265 USD
View
A
Retailer 4
-
€254 EUR
$284 USD
View
A
Retailer 5
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€254 EUR
$284 USD
View
A
Retailer 6
-
€262 EUR
£231 GBP
View
A
Retailer 7
-
€431 EUR
$482 USD
View
A
Retailer 8
-
€436 EUR
ZAR 7,874 ZAR
View
A
Retailer 9
-
€441 EUR
View
A
Retailer 10
-
€462 EUR
$516 USD
View
A
Retailer 11
-
€471 EUR
£414 GBP
View
A
Retailer 12
-
€492 EUR
$550 USD
View
B+
Retailer 13
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€715 EUR
SGD 1,080 SGD
View
B+
Retailer 14
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€816 EUR
$912 USD
View
B+
Retailer 15
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€819 EUR
$915 USD
View
B+
Retailer 16
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€863 EUR
$964 USD
View
B+
Retailer 17
-
€925 EUR
$1,033 USD
View
B+
Retailer 18
-
€1,019 EUR
£896 GBP
View
B
Retailer 19
-
€1,611 EUR
$1,800 USD
View
B
Retailer 20
-
€1,695 EUR
$1,894 USD
View
Most Expensive
B
Rare Carat
JH-250280 · Oct 28
€1,889 EUR
$2,110 USD
View
20 more retailers have this diamond
Prices start from €205 EURSave up to €1,684 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
1.00ct Radiant
€205 EUR