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Radiant|Lab Grown|IGI

15.13ct I VS1 Radiant Lab Grown Diamond

EX • I/VS1 • IGI LG593309275

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

Certificate IGI LG593309275

Diamond specifications and retailer prices

From €9,338 EUR
$10,433 USD
As of October 31, 2026
Save €5,457 EUR (37%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €14,796 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15.13ct lab-grown radiant diamond

This 15.13ct lab-grown radiant sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG593309275 or 593309275. Listed at 2 retailers as of October 31, 2026, with prices from €9,338 to €14,796, a €5,457 spread on the same certified stone. Brilliant Earth lists it at €14,796. 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

15.13
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle34°
OriginLab Grown
Grading LabIGI
CertificateIGI LG593309275
Dimensions17.47 × 12.12 × 8.02 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
17.47 mm12.12 mm15.13 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG593309275
Side View
Table 65.0%Crown 45.3°Girdle: MediumPavilion 34°Culet: NoneDepth 66.2%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €14,796 EUR|Low: €2,663 EUR|High: €22,507 EUR|Avg: €8,270 EUR|-7.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 4, 2026
Retailer 4€2,663 EUR
Retailer 3€3,030 EUR
Retailer 2€9,338 EUR
Brilliant Earth€14,796 EUR

19 data points across 4 retailers

2 retailers€9,338 EUR to €14,796 EUR

B
Cheapest Retailer
-
€9,338 EUR
$10,433 USD
Most Expensive
B
Brilliant Earth
20170628Y · Oct 31
€14,796 EUR
$16,530 USD
View
1 more retailer has this diamond
Prices start from €9,338 EURSave up to €5,457 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.

B
15.13ct Radiant
€9,338 EUR