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Radiant|Lab Grown|IGI

4.30ct F SI1 Radiant Lab Grown Diamond

VG • F/SI1 • IGI LG828688619

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

Certificate IGI LG828688619

Diamond specifications and retailer prices

From €5,706 EUR
$6,400 USD
As of October 28, 2026
11 retailers carry this diamond
Most expensive: €5,706 EUR at Brilliant Earth
View at Brilliant Earth

About this 4.3ct lab-grown radiant diamond

This 4.3ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG828688619 or 828688619. Listed at 11 retailers as of October 28, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.30
Carat
F
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.9°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828688619
Dimensions11.90 × 8.11 × 5.15 mm
L/W Ratio1.47
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.90 mm8.11 mm4.30 ctF / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828688619
Side View
Table 64.0%Crown 39.9°Girdle: Slightly ThickPavilion 33.4°Culet: NoneDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 28
Current: €5,706 EUR|Low: €437 EUR|High: €5,715 EUR|Avg: €1,549 EUR
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
October 23, 2026
Retailer 10€466 EUR
Retailer 3€491 EUR
Retailer 7€664 EUR
Retailer 5€729 EUR
Retailer 12€893 EUR
Retailer 2€915 EUR
Retailer 14€918 EUR
Retailer 8€1,145 EUR
Retailer 13€1,462 EUR
Retailer 9€1,762 EUR
Retailer 11€2,229 EUR
Retailer 4€2,283 EUR
Retailer 6€2,639 EUR
Brilliant Earth€5,706 EUR

31 data points across 14 retailers

11 retailers

Retailer 1
-
€664 EUR
$745 USD
Price last confirmed 9 days ago
Retailer 2
-
€729 EUR
$818 USD
View
Price last confirmed 12 days ago
Retailer 3
-
€893 EUR
£788 GBP
View
Price last confirmed 11 days ago
Retailer 4
-
€918 EUR
$1,030 USD
View
Price last confirmed 12 days ago
Retailer 5
-
€1,145 EUR
$1,284 USD
View
Price last confirmed 9 days ago
Retailer 6
-
€1,462 EUR
$1,640 USD
View
Price last confirmed 11 days ago
Retailer 7
-
€1,762 EUR
$1,976 USD
View
Price last confirmed 11 days ago
Retailer 8
-
€2,229 EUR
SGD 3,379 SGD
View
Price last confirmed 11 days ago
Retailer 9
-
€2,283 EUR
£2,016 GBP
View
Price last confirmed 12 days ago
Retailer 10
-
€2,639 EUR
$2,960 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21324487A · Oct 28
€5,706 EUR
$6,400 USD
View
10 more retailers have this diamond

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.

B
4.30ct Radiant
€5,706 EUR