Radiant|Lab Grown|IGI

15.06ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG578321262

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

Certificate IGI LG578321262

Diamond specifications and retailer prices

From €2,278 EUR
$2,545 USD
As of October 31, 2026
Save €8,457 EUR (79%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €10,735 EUR at Adiamor · As of October 31, 2026
View at Adiamor

About this 15.06ct lab-grown radiant diamond

This 15.06ct 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 LG578321262 or 578321262. Listed at 10 retailers as of October 31, 2026, with prices from €2,278 to €10,735, a €8,457 spread on the same certified stone. Adiamor lists it at €10,735. 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

15.06
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.3°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG578321262
Dimensions17.82 × 11.94 × 8.16 mm
L/W Ratio1.49
Culet sizePointed
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
17.82 mm11.94 mm15.06 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG578321262
Side View
Table 65.0%Crown 45.3°Girdle: MediumPavilion 35°Culet: NoneDepth 68.3%

Caratlytics Score

How it works →
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: Oct 31
Current: €10,735 EUR|Low: €2,055 EUR|High: €10,735 EUR|Avg: €4,684 EUR
Adiamor
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 7€2,055 EUR
Retailer 9€2,129 EUR
Retailer 5€2,278 EUR
Retailer 11€2,740 EUR
Retailer 4€3,297 EUR
Retailer 8€3,332 EUR
Retailer 6€3,416 EUR
Retailer 2€3,463 EUR
Retailer 3€7,450 EUR
Retailer 10€7,805 EUR
Adiamor€10,735 EUR

26 data points across 11 retailers

10 retailers€2,278 EUR to €10,735 EUR

Retailer 1
-
€2,129 EUR
$2,379 USD
Price last confirmed 21 days ago
A
Retailer 2
-
€2,278 EUR
$2,545 USD
View
A
Retailer 3
-
€2,740 EUR
$3,061 USD
View
A
Retailer 4
-
€3,297 EUR
ZAR 59,500 ZAR
View
B+
Retailer 5
-
€3,332 EUR
$3,722 USD
View
B+
Retailer 6
-
€3,416 EUR
$3,816 USD
View
B+
Retailer 7
-
€3,463 EUR
View
B
Retailer 8
-
€7,450 EUR
$8,323 USD
View
B
Retailer 9
-
€7,805 EUR
$8,720 USD
View
Most Expensive
B
Adiamor
D-82071726 · Oct 31
€10,735 EUR
$11,993 USD
View
9 more retailers have this diamond
Prices start from €2,278 EURSave up to €8,457 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.

A
15.06ct Radiant
€2,278 EUR