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Radiant|Lab Grown|IGI

1.39ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG825659912

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

Certificate IGI LG825659912

Diamond specifications and retailer prices

From €317 EUR
$354 USD
As of October 30, 2026
Save €2,118 EUR (87%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €2,802 EUR at Rare Carat · As of October 21, 2026
View at Rare Carat

About this 1.39ct lab-grown radiant diamond

This 1.39ct 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 LG825659912 or 825659912. Listed at 19 retailers as of October 30, 2026, with a 668% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.39
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825659912
Dimensions7.66 × 5.58 × 3.89 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
7.66 mm5.58 mm1.39 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825659912
Side View
Table 61.0%Crown 40.9°Girdle: MediumPavilion 38.3°Culet: NoneDepth 69.7%

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 30
Current: €2,802 EUR|Low: €295 EUR|High: €3,706 EUR|Avg: €1,105 EUR|-1.4%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 31, 2026
Retailer 13€317 EUR
Retailer 7€456 EUR
Retailer 9€501 EUR
Retailer 15€541 EUR
Retailer 12€567 EUR
Retailer 8€585 EUR
Retailer 2€614 EUR
Retailer 4€893 EUR
Retailer 14€1,014 EUR
Retailer 5€1,033 EUR
Retailer 3€1,104 EUR
Retailer 6€1,218 EUR
Retailer 11€1,329 EUR
Retailer 10€2,435 EUR
Rare Carat€2,802 EUR

29 data points across 15 retailers

19 retailers€317 EUR to €2,435 EUR

A
Cheapest Retailer
-
€317 EUR
$354 USD
Final sale: no returns
Retailer 2
-
€353 EUR
$394 USD
View
Price last confirmed 29 days ago
Retailer 3
-
€412 EUR
$460 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€456 EUR
$509 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
€501 EUR
$560 USD
View
A
Retailer 6
-
€541 EUR
$604 USD
View
A
Retailer 7
-
€567 EUR
ZAR 10,234 ZAR
View
A
Retailer 8
-
€585 EUR
£515 GBP
View
A
Retailer 9
-
€614 EUR
View
B+
Retailer 10
-
€893 EUR
$998 USD
View
B+
Retailer 11
-
€1,014 EUR
$1,133 USD
View
B+
Retailer 12
-
€1,033 EUR
$1,154 USD
View
B+
Retailer 13
-
€1,104 EUR
$1,233 USD
View
B+
Retailer 14
-
€1,218 EUR
SGD 1,839 SGD
View
B+
Retailer 15
-
€1,329 EUR
£1,169 GBP
View
Retailer 16
-
€1,464 EUR
$1,636 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
€2,435 EUR
$2,720 USD
View
Retailer 18
-
€2,797 EUR
$3,125 USD
View
Price last confirmed 10 days ago
Most Expensive
Rare Carat
5111-U_l_800678839 · Oct 21
€2,802 EUR
$3,130 USD
View
Price last confirmed 10 days ago
18 more retailers have this diamond
Prices start from €317 EURSave up to €2,118 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
1.39ct Radiant
€317 EUR