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 $5,325 USD
As of October 30, 2026
Save $27,013 USD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $34,360 USD 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: $34,360 USD|Low: $5,112 USD|High: $34,360 USD|Avg: $11,100 USD
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$5,325 USD
Retailer 16$5,581 USD
Retailer 13$6,132 USD
Retailer 3$6,177 USD
Retailer 11$6,180 USD
Retailer 15$7,111 USD
Retailer 4$7,398 USD
Retailer 14$7,745 USD
Retailer 10$7,919 USD
Retailer 5$8,763 USD
Retailer 2$9,654 USD
Retailer 12$10,238 USD
Retailer 7$16,140 USD
Retailer 9$16,423 USD
Retailer 8$17,179 USD
Retailer 6$21,986 USD
Brilliant Earth$34,360 USD

43 data points across 17 retailers

19 retailers$5,325 USD to $32,338 USD

A
Cheapest Retailer
-
$5,325 USD
A
Retailer 2
-
$5,581 USD
View
A
Retailer 3
-
$6,132 USD
View
Final sale: no returns
A
Retailer 4
-
$6,177 USD
View
A
Retailer 5
-
$6,180 USD
View
A
Retailer 6
-
$7,111 USD
View
B+
Retailer 7
-
$7,398 USD
HK$57,800 HKD
View
Retailer 8
-
$7,745 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$7,919 USD
£6,236 GBP
View
B+
Retailer 10
-
$8,763 USD
£6,900 GBP
View
B+
Retailer 11
-
$9,380 USD
View
B+
Retailer 12
-
$9,654 USD
€9,194 EUR
View
B+
Retailer 13
-
$10,238 USD
View
B
Retailer 14
-
$16,140 USD
View
B
Retailer 15
-
$16,423 USD
View
B
Retailer 16
-
$17,179 USD
View
B
Retailer 17
-
$21,986 USD
View
B
Retailer 18
-
$32,338 USD
View
Most Expensive
Brilliant Earth
17462652A · Oct 31
$34,360 USD
View
Price under review
18 more retailers have this diamond
Prices start from $5,325 USDSave up to $27,013 USD

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
$5,325 USD