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Radiant|Lab Grown|IGI

1.03ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG788628818

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

Certificate IGI LG788628818

Diamond specifications and retailer prices

From €346 EUR
$386 USD
As of October 30, 2026
Save €2,053 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,399 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.03ct lab-grown radiant diamond

This 1.03ct 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 LG788628818 or 788628818. Listed at 18 retailers as of October 30, 2026, with prices from €346 to €2,399, a €2,053 spread on the same certified stone. Brilliant Earth lists it at €2,399. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.8°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788628818
Dimensions6.95 × 4.99 × 3.33 mm
L/W Ratio1.39
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
6.95 mm4.99 mm1.03 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788628818
Side View
Table 64.0%Crown 45.8°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 66.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: €2,399 EUR|Low: €331 EUR|High: €2,470 EUR|Avg: €892 EUR|-2.9%
Brilliant Earth
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 16€346 EUR
Retailer 7€386 EUR
Retailer 4€387 EUR
Retailer 5€428 EUR
Retailer 17€428 EUR
Retailer 14€559 EUR
Retailer 8€566 EUR
Retailer 10€575 EUR
Retailer 6€696 EUR
Retailer 13€736 EUR
Retailer 12€748 EUR
Retailer 11€775 EUR
Retailer 15€1,200 EUR
Retailer 3€1,376 EUR
Retailer 9€1,599 EUR
Retailer 2€1,672 EUR
Brilliant Earth€2,399 EUR

42 data points across 17 retailers

18 retailers€346 EUR to €2,399 EUR

A
Cheapest Retailer
-
€346 EUR
$386 USD
A
Retailer 2
-
€386 EUR
$431 USD
View
Final sale: no returns
A
Retailer 3
-
€387 EUR
$432 USD
View
Retailer 4
-
€428 EUR
$478 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
€428 EUR
$478 USD
View
B+
Retailer 6
-
€559 EUR
$625 USD
View
B+
Retailer 7
-
€566 EUR
$632 USD
View
B+
Retailer 8
-
€575 EUR
$642 USD
View
B+
Retailer 9
-
€696 EUR
$778 USD
View
B+
Retailer 10
-
€736 EUR
ZAR 13,275 ZAR
View
B+
Retailer 11
-
€748 EUR
View
B+
Retailer 12
-
€775 EUR
£682 GBP
View
B
Retailer 13
-
€1,200 EUR
$1,341 USD
View
B
Retailer 14
-
€1,376 EUR
$1,537 USD
View
B
Retailer 15
-
€1,409 EUR
$1,575 USD
View
B
Retailer 16
-
€1,599 EUR
$1,786 USD
View
B
Retailer 17
-
€1,672 EUR
£1,471 GBP
View
Most Expensive
B
Brilliant Earth
22254891A · Oct 31
€2,399 EUR
$2,680 USD
View
17 more retailers have this diamond
Prices start from €346 EURSave up to €2,053 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
1.03ct Radiant
€346 EUR