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Radiant|Lab Grown|IGI

5.12ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG773639235

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

Certificate IGI LG773639235

Diamond specifications and retailer prices

From €7,956 EUR
$8,889 USD
As of October 31, 2026
Save €32,367 EUR (80%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: €40,324 EUR at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.12ct lab-grown radiant diamond

This 5.12ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG773639235 or 773639235. Listed at 23 retailers as of October 31, 2026, with prices from €7,956 to €40,324, a €32,367 spread on the same certified stone. Do Amore Diamonds lists it at €40,324. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.12
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle36.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773639235
Dimensions12.42 × 8.57 × 5.74 mm
L/W Ratio1.45
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
12.42 mm8.57 mm5.12 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773639235
Side View
Table 63.0%Crown 39.6°Girdle: MED-STKPavilion 36.5°Culet: NoneDepth 67.0%

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 31
Current: €40,324 EUR|Low: €7,956 EUR|High: €81,485 EUR|Avg: €21,889 EUR|-17.5%
Do Amore Diamonds
Retailer 2
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Retailer 21
October 31, 2026
Retailer 4€7,956 EUR
Retailer 12€9,001 EUR
Retailer 18€9,362 EUR
Retailer 9€10,081 EUR
Retailer 21€10,316 EUR
Retailer 5€10,441 EUR
Retailer 20€10,614 EUR
Retailer 14€10,802 EUR
Retailer 19€11,252 EUR
Retailer 3€11,318 EUR
Retailer 13€13,729 EUR
Retailer 11€16,519 EUR
Retailer 16€17,787 EUR
Retailer 2€18,384 EUR
Retailer 15€23,418 EUR
Retailer 17€25,304 EUR
Retailer 6€28,735 EUR
Retailer 8€34,300 EUR
Retailer 7€37,094 EUR
Do Amore Diamonds€40,324 EUR
Retailer 10€67,015 EUR

37 data points across 21 retailers

23 retailers€7,956 EUR to €40,324 EUR

A
Cheapest Retailer
-
€7,956 EUR
$8,889 USD
A
Retailer 2
-
€9,001 EUR
$10,056 USD
View
A
Retailer 3
-
€9,362 EUR
$10,459 USD
View
A
Retailer 4
-
€10,081 EUR
$11,263 USD
View
Final sale: no returns
A
Retailer 5
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€10,316 EUR
$11,525 USD
View
A
Retailer 6
-
€10,441 EUR
$11,665 USD
View
Retailer 7
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€10,442 EUR
$11,666 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
€10,614 EUR
$11,858 USD
View
A
Retailer 9
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€10,802 EUR
$12,068 USD
View
A
Retailer 10
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€11,252 EUR
$12,571 USD
View
A
Retailer 11
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€11,318 EUR
$12,645 USD
View
A
Retailer 12
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€13,729 EUR
£12,077 GBP
View
A
Retailer 13
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€16,519 EUR
£14,532 GBP
View
B+
Retailer 14
-
€17,787 EUR
£15,647 GBP
View
B+
Retailer 15
-
€18,384 EUR
View
B+
Retailer 16
-
€23,418 EUR
ZAR 422,660 ZAR
View
B+
Retailer 17
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€25,304 EUR
$28,270 USD
View
B+
Retailer 18
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€28,735 EUR
$32,103 USD
View
B+
Retailer 19
-
€32,020 EUR
$35,773 USD
View
B
Retailer 20
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€34,300 EUR
$38,321 USD
View
B
Retailer 21
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€37,094 EUR
$41,441 USD
View
Most Expensive
B
Do Amore Diamonds
27-86864EE0D · Oct 31
€40,324 EUR
$45,050 USD
View
21 more retailers have this diamond
Prices start from €7,956 EURSave up to €32,367 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
5.12ct Radiant
€7,956 EUR