Radiant|Lab Grown|IGI

5.15ct F VS2 Radiant Lab Grown Diamond

EX • F/VS2 • IGI LG665443193

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

Certificate IGI LG665443193

Diamond specifications and retailer prices

From $752 USD
As of October 30, 2026
Save $3,698 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,450 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.15ct lab-grown radiant diamond

This 5.15ct lab-grown radiant sits in the over five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG665443193 or 665443193. Listed at 23 retailers as of October 30, 2026, with prices from $752 to $4,450, a $3,698 spread on the same certified stone. Brilliant Earth lists it at $4,450. 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

5.15
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.8°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665443193
Dimensions12.51 × 8.41 × 5.63 mm
L/W Ratio1.49
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.51 mm8.41 mm5.15 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665443193
Side View
Table 65.0%Crown 43.8°Girdle: Slightly ThickPavilion 35.3°Culet: NoneDepth 66.9%

Caratlytics Score

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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 30
Current: $4,450 USD|Low: $715 USD|High: $4,450 USD|Avg: $2,059 USD
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
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Retailer 19
November 1, 2026
Retailer 5$752 USD
Retailer 4$818 USD
Retailer 10$872 USD
Retailer 11$872 USD
Retailer 12$960 USD
Retailer 3$1,050 USD
Retailer 13$1,389 USD
Retailer 15$1,389 USD
Retailer 19$1,411 USD
Retailer 6$1,922 USD
Retailer 18$1,926 USD
Retailer 7$2,452 USD
Retailer 8$2,713 USD
Retailer 14$2,948 USD
Retailer 9$3,008 USD
Retailer 16$3,325 USD
Retailer 2$3,424 USD
Retailer 17$3,475 USD
Brilliant Earth$4,450 USD

34 data points across 19 retailers

23 retailers$752 USD to $4,450 USD

A
Cheapest Retailer
-
$752 USD
A
Retailer 2
-
$818 USD
View
A
Retailer 3
-
$834 USD
View
Final sale: no returns
A
Retailer 4
-
$872 USD
View
Retailer 5
-
$872 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$960 USD
£756 GBP
View
A
Retailer 7
-
$1,037 USD
HK$8,100 HKD
View
A
Retailer 8
-
$1,050 USD
View
A
Retailer 9
-
$1,389 USD
£1,094 GBP
View
A
Retailer 10
-
$1,389 USD
€1,323 EUR
View
B+
Retailer 11
-
$1,411 USD
View
B+
Retailer 12
-
$1,922 USD
View
B+
Retailer 13
-
$1,926 USD
View
B+
Retailer 14
-
$2,452 USD
View
B
Retailer 15
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$2,713 USD
£2,136 GBP
View
B
Retailer 16
-
$2,893 USD
View
B
Retailer 17
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$2,948 USD
View
B
Retailer 18
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$2,990 USD
SGD 4,040 SGD
View
Retailer 19
-
$3,008 USD
View
Price last confirmed 14 days ago
B
Retailer 20
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$3,325 USD
A$5,115 AUD
View
B
Retailer 21
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$3,424 USD
£2,696 GBP
View
Retailer 22
-
$3,475 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Brilliant Earth
18299745A · Oct 31
$4,450 USD
View
22 more retailers have this diamond
Prices start from $752 USDSave up to $3,698 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
5.15ct Radiant
$752 USD