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Radiant|Lab Grown|IGI

15.00ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG770634602

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

Certificate IGI LG770634602

Diamond specifications and retailer prices

From €4,766 EUR
$5,325 USD
As of October 30, 2026
Save €24,179 EUR (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €30,755 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 15ct lab-grown radiant diamond

This 15ct lab-grown radiant sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG770634602 or 770634602. Listed at 19 retailers as of October 30, 2026, with a 507% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

15.00
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.3°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770634602
Dimensions17.49 × 12.02 × 8.20 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.49 mm12.02 mm15.00 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770634602
Side View
Table 68.0%Crown 47.3°Girdle: Slightly ThickPavilion 38.9°Culet: NoneDepth 68.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €30,755 EUR|Low: €4,576 EUR|High: €30,755 EUR|Avg: €9,935 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
Retailer 15
Retailer 16
Retailer 17
October 31, 2026
Retailer 17€4,766 EUR
Retailer 16€4,995 EUR
Retailer 13€5,489 EUR
Retailer 3€5,529 EUR
Retailer 11€5,532 EUR
Retailer 15€6,365 EUR
Retailer 4€6,622 EUR
Retailer 14€6,932 EUR
Retailer 10€7,088 EUR
Retailer 5€7,844 EUR
Retailer 2€8,641 EUR
Retailer 12€9,164 EUR
Retailer 7€14,447 EUR
Retailer 9€14,700 EUR
Retailer 8€15,377 EUR
Retailer 6€19,679 EUR
Brilliant Earth€30,755 EUR

43 data points across 17 retailers

19 retailers€4,766 EUR to €28,945 EUR

A
Cheapest Retailer
-
€4,766 EUR
$5,325 USD
A
Retailer 2
-
€4,995 EUR
$5,581 USD
View
A
Retailer 3
-
€5,489 EUR
$6,132 USD
View
Final sale: no returns
A
Retailer 4
-
€5,529 EUR
$6,177 USD
View
A
Retailer 5
-
€5,532 EUR
$6,180 USD
View
A
Retailer 6
-
€6,365 EUR
$7,111 USD
View
B+
Retailer 7
-
€6,622 EUR
HK$57,800 HKD
View
Retailer 8
-
€6,932 EUR
$7,745 USD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
€7,088 EUR
£6,236 GBP
View
B+
Retailer 10
-
€7,844 EUR
£6,900 GBP
View
B+
Retailer 11
-
€8,396 EUR
$9,380 USD
View
B+
Retailer 12
-
€8,641 EUR
View
B+
Retailer 13
-
€9,164 EUR
$10,238 USD
View
B
Retailer 14
-
€14,447 EUR
$16,140 USD
View
B
Retailer 15
-
€14,700 EUR
$16,423 USD
View
B
Retailer 16
-
€15,377 EUR
$17,179 USD
View
B
Retailer 17
-
€19,679 EUR
$21,986 USD
View
B
Retailer 18
-
€28,945 EUR
$32,338 USD
View
Most Expensive
Brilliant Earth
17462652A · Oct 31
€30,755 EUR
$34,360 USD
View
Price under review
18 more retailers have this diamond
Prices start from €4,766 EURSave up to €24,179 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
15.00ct Radiant
€4,766 EUR