Radiant|Lab Grown|IGI

5.03ct I VS1 Radiant Lab Grown Diamond

ID • I/VS1 • IGI LG623463796

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

Certificate IGI LG623463796

Diamond specifications and retailer prices

From $666 USD
As of October 30, 2026
Save $4,874 USD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $5,540 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 5.03ct lab-grown radiant diamond

This 5.03ct 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 LG623463796 or 623463796. Listed at 20 retailers as of October 30, 2026, with prices from $666 to $5,540, a $4,874 spread on the same certified stone. Brilliant Earth lists it at $5,540. 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

5.03
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle33.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623463796
Dimensions12.48 × 8.39 × 5.53 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
12.48 mm8.39 mm5.03 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623463796
Side View
Table 64.0%Crown 46.1°Girdle: Slightly ThickPavilion 33.9°Culet: NoneDepth 65.9%

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 30
Current: $5,540 USD|Low: $646 USD|High: $5,740 USD|Avg: $1,990 USD|-3.5%
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
Retailer 18
Retailer 19
October 31, 2026
Retailer 3$666 USD
Retailer 7$745 USD
Retailer 19$772 USD
Retailer 11$781 USD
Retailer 4$950 USD
Retailer 17$1,108 USD
Retailer 14$1,152 USD
Retailer 2$1,350 USD
Retailer 13$1,569 USD
Retailer 6$1,729 USD
Retailer 9$1,881 USD
Retailer 15$1,973 USD
Retailer 10$1,981 USD
Retailer 18$2,327 USD
Retailer 5$2,408 USD
Retailer 8$2,664 USD
Retailer 16$2,995 USD
Retailer 12$3,270 USD
Brilliant Earth$5,540 USD

34 data points across 19 retailers

20 retailers$666 USD to $5,540 USD

A
Cheapest Retailer
-
$666 USD
A
Retailer 2
-
$745 USD
View
Final sale: no returns
Retailer 3
-
$770 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$772 USD
View
Price last confirmed 16 days ago
A
Retailer 5
-
$772 USD
View
A
Retailer 6
-
$950 USD
View
B+
Retailer 7
-
$1,108 USD
View
A
Retailer 8
-
$1,152 USD
HK$9,000 HKD
View
A
Retailer 9
-
$1,350 USD
€1,286 EUR
View
A
Retailer 10
-
$1,569 USD
ZAR 25,346 ZAR
View
B+
Retailer 11
-
$1,690 USD
View
B+
Retailer 12
-
$1,729 USD
View
Retailer 13
-
$1,881 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
$1,973 USD
View
B+
Retailer 15
-
$2,327 USD
CA$3,233 CAD
View
B+
Retailer 16
-
$2,408 USD
£1,896 GBP
View
B+
Retailer 17
-
$2,664 USD
View
B
Retailer 18
-
$2,995 USD
View
B
Retailer 19
-
$3,270 USD
£2,575 GBP
View
Most Expensive
B
Brilliant Earth
16038539A · Oct 31
$5,540 USD
View
19 more retailers have this diamond
Prices start from $666 USDSave up to $4,874 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
5.03ct Radiant
$666 USD