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Radiant|Lab Grown|IGI

4.87ct F SI1 Radiant Lab Grown Diamond

EX • F/SI1 • IGI LG811691413

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

Certificate IGI LG811691413

Diamond specifications and retailer prices

From €708 EUR
$791 USD
As of November 2, 2026
Save €5,808 EUR (89%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €6,516 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.87ct lab-grown radiant diamond

This 4.87ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG811691413 or 811691413. Listed at 17 retailers as of October 31, 2026, with prices from €708 to €6,516, a €5,808 spread on the same certified stone. Brilliant Earth lists it at €6,516. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.87
Carat
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle32.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811691413
Dimensions12.34 × 8.30 × 5.50 mm
L/W Ratio1.49
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.34 mm8.30 mm4.87 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811691413
Side View
Table 64.0%Crown 39.4°Girdle: Slightly ThickPavilion 32.9°Culet: NoneDepth 66.3%

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: Nov 2
Current: €6,516 EUR|Low: €680 EUR|High: €6,705 EUR|Avg: €2,333 EUR|+1.1%
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
November 2, 2026
Retailer 3€708 EUR
Retailer 6€771 EUR
Retailer 4€822 EUR
Retailer 11€980 EUR
Retailer 7€1,219 EUR
Retailer 12€1,293 EUR
Retailer 2€1,327 EUR
Retailer 9€1,395 EUR
Retailer 16€1,954 EUR
Retailer 8€2,206 EUR
Retailer 5€2,549 EUR
Retailer 15€2,793 EUR
Retailer 14€3,187 EUR
Retailer 10€3,417 EUR
Retailer 13€6,073 EUR
Brilliant Earth€6,516 EUR

42 data points across 16 retailers

17 retailers€708 EUR to €6,516 EUR

A
Cheapest Retailer
-
€708 EUR
$791 USD
A
Retailer 2
-
€771 EUR
$861 USD
View
A
Retailer 3
-
€822 EUR
$918 USD
View
Retailer 4
-
€822 EUR
$918 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
€980 EUR
$1,095 USD
View
A
Retailer 6
-
€1,219 EUR
$1,362 USD
View
B+
Retailer 7
-
€1,293 EUR
$1,445 USD
View
B+
Retailer 8
-
€1,327 EUR
$1,482 USD
View
B+
Retailer 9
-
€1,395 EUR
£1,227 GBP
View
B+
Retailer 10
-
€1,954 EUR
$2,183 USD
View
B
Retailer 11
-
€2,206 EUR
$2,464 USD
View
B
Retailer 12
-
€2,549 EUR
$2,848 USD
View
Retailer 13
-
€2,793 EUR
$3,120 USD
View
Price last confirmed 8 days ago
B
Retailer 14
-
€3,187 EUR
$3,561 USD
View
B
Retailer 15
-
€3,417 EUR
£3,006 GBP
View
B
Retailer 16
-
€6,073 EUR
$6,785 USD
View
Most Expensive
B
Brilliant Earth
20510998A · Oct 31
€6,516 EUR
$7,280 USD
View
16 more retailers have this diamond
Prices start from €708 EURSave up to €5,808 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
4.87ct Radiant
€708 EUR