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Radiant|Lab Grown|IGI

3.03ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG727578312

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

Certificate IGI LG727578312

Diamond specifications and retailer prices

From €1,091 EUR
$1,219 USD
As of October 30, 2026
Save €6,016 EUR (85%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: €7,107 EUR at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown radiant diamond

This 3.03ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG727578312 or 727578312. Listed at 30 retailers as of October 29, 2026, with prices from €1,091 to €7,107, a €6,016 spread on the same certified stone. Brilliant Earth lists it at €7,107. 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

3.03
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.4°
Pavilion angle33.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG727578312
Dimensions10.23 × 7.32 × 4.71 mm
L/W Ratio1.40
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
10.23 mm7.32 mm3.03 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG727578312
Side View
Table 64.0%Crown 40.4°Girdle: MediumPavilion 33.2°Culet: NoneDepth 64.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €7,107 EUR|Low: €1,091 EUR|High: €10,768 EUR|Avg: €3,409 EUR|-34.0%
Brilliant Earth
Retailer 2
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Retailer 22
October 31, 2026
Retailer 20€1,091 EUR
Retailer 13€1,390 EUR
Retailer 9€1,455 EUR
Retailer 18€1,486 EUR
Retailer 22€1,535 EUR
Retailer 5€1,833 EUR
Retailer 2€2,024 EUR
Retailer 12€2,078 EUR
Retailer 17€2,425 EUR
Retailer 16€2,610 EUR
Retailer 8€2,939 EUR
Retailer 7€3,056 EUR
Retailer 11€3,133 EUR
Retailer 14€3,580 EUR
Retailer 19€3,631 EUR
Retailer 21€3,979 EUR
Retailer 6€4,436 EUR
Retailer 4€4,451 EUR
Retailer 10€4,456 EUR
Retailer 3€4,829 EUR
Retailer 15€6,029 EUR
Brilliant Earth€7,107 EUR

33 data points across 22 retailers

30 retailers€1,091 EUR to €7,107 EUR

A
Cheapest Retailer
-
€1,091 EUR
$1,219 USD
Retailer 2
-
€1,284 EUR
$1,434 USD
View
Price last confirmed 31 days ago
Retailer 3
-
€1,386 EUR
$1,548 USD
View
Price last confirmed 28 days ago
A
Retailer 4
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€1,390 EUR
$1,553 USD
View
Final sale: no returns
Retailer 5
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€1,396 EUR
$1,560 USD
View
Price last confirmed 34 days ago
A
Retailer 6
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€1,455 EUR
$1,625 USD
View
Retailer 7
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€1,468 EUR
$1,640 USD
View
Price last confirmed 34 days ago
A
Retailer 8
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€1,486 EUR
$1,660 USD
View
A
Retailer 9
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€1,535 EUR
HK$13,400 HKD
View
A
Retailer 10
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€1,833 EUR
£1,612 GBP
View
A
Retailer 11
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€2,024 EUR
View
A
Retailer 12
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€2,078 EUR
$2,322 USD
View
A
Retailer 13
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€2,425 EUR
$2,709 USD
View
A
Retailer 14
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€2,597 EUR
$2,901 USD
View
Retailer 15
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€2,597 EUR
$2,901 USD
View
Price last confirmed 21 days ago
A
Retailer 16
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€2,610 EUR
$2,916 USD
View
Retailer 17
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€2,791 EUR
$3,118 USD
View
Price last confirmed 30 days ago
A
Retailer 18
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€2,939 EUR
ZAR 53,038 ZAR
View
B+
Retailer 19
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€3,056 EUR
£2,688 GBP
View
Retailer 20
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€3,133 EUR
A$5,385 AUD
View
Price last confirmed 9 days ago
B+
Retailer 21
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€3,580 EUR
$4,000 USD
View
B+
Retailer 22
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€3,631 EUR
$4,057 USD
View
B+
Retailer 23
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€3,979 EUR
$4,445 USD
View
B+
Retailer 24
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€4,436 EUR
$4,956 USD
View
B+
Retailer 25
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€4,451 EUR
SGD 6,720 SGD
View
B+
Retailer 26
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€4,456 EUR
£3,920 GBP
View
B+
Retailer 27
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€4,829 EUR
$5,395 USD
View
Retailer 28
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€4,930 EUR
$5,507 USD
View
Price last confirmed 103 days ago
Retailer 29
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€6,029 EUR
A$10,362 AUD
View
Price last confirmed 30 days ago
Most Expensive
B
Brilliant Earth
15743754A · Oct 29
€7,107 EUR
$7,940 USD
View
29 more retailers have this diamond
Prices start from €1,091 EURSave up to €6,016 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
3.03ct Radiant
€1,091 EUR