Radiant|Lab Grown|IGI

5.51ct F VS2 Radiant Lab Grown Diamond

VG • F/VS2 • IGI LG815689923

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

Certificate IGI LG815689923

Diamond specifications and retailer prices

From €1,278 EUR
As of November 2, 2026
Save €6,357 EUR (83%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: €7,635 EUR at Riddles Jewelry · As of November 2, 2026
View at Riddles Jewelry

About this 5.51ct lab-grown radiant diamond

This 5.51ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG815689923 or 815689923. Listed at 3 retailers as of November 2, 2026, with prices from €1,278 to €7,635, a €6,357 spread on the same certified stone. Riddles Jewelry lists it at €7,635. 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

5.51
Carat
F
Color
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle30°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815689923
Dimensions11.26 × 9.15 × 5.91 mm
L/W Ratio1.23
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm9.15 mm5.51 ctF / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815689923
Side View
Table 65.0%Crown 45.3°Girdle: Slightly ThickPavilion 30°Culet: NoneDepth 64.6%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €1,278 EUR|Low: €1,250 EUR|High: €7,635 EUR|Avg: €4,061 EUR|+2.2%
Retailer 1
Retailer 2
Riddles Jewelry
November 2, 2026
Retailer 1€1,278 EUR
Retailer 2€3,259 EUR
Riddles Jewelry€7,635 EUR

14 data points across 3 retailers

3 retailers€1,278 EUR to €7,635 EUR

A
Cheapest Retailer
-
€1,278 EUR
B
Retailer 2
-
€3,259 EUR
$3,655 USD
View
Most Expensive
C
Riddles Jewelry
1979199954 · Nov 2
€7,635 EUR
$8,563 USD
View
2 more retailers have this diamond
Prices start from €1,278 EURSave up to €6,357 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
5.51ct Radiant
€1,278 EUR