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Radiant|Lab Grown|IGI

4.56ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG782619350

Shape and cutting style on the report: Cut cornered rectangular mixed cut

Certificate IGI LG782619350

Diamond specifications and retailer prices

From $1,026 USD
As of October 30, 2026
Save $3,126 USD (75%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,152 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.56ct lab-grown radiant diamond

This 4.56ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG782619350 or 782619350. Listed at 18 retailers as of October 30, 2026, with prices from $1,026 to $4,152, a $3,126 spread on the same certified stone. Taylor and Hart lists it at $4,152. 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

4.56
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.2°
Pavilion angle43.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG782619350
Dimensions10.81 × 7.65 × 5.43 mm
L/W Ratio1.41
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.81 mm7.65 mm4.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG782619350
Side View
Table 63.0%Crown 41.2°Girdle: MediumPavilion 43.3°Culet: LargeDepth 71.0%

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: $4,036 USD|Low: $985 USD|High: $4,152 USD|Avg: $2,258 USD
Retailer 1
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
Taylor and Hart
November 1, 2026
Retailer 14$1,026 USD
Retailer 4$1,116 USD
Retailer 7$1,148 USD
Retailer 5$1,190 USD
Retailer 15$1,190 USD
Retailer 13$1,365 USD
Retailer 6$1,589 USD
Retailer 10$1,716 USD
Retailer 17$1,899 USD
Retailer 2$2,231 USD
Retailer 3$2,487 USD
Retailer 12$2,533 USD
Retailer 11$2,550 USD
Retailer 8$2,591 USD
Retailer 9$3,292 USD
Retailer 16$3,689 USD
Retailer 1$4,036 USD
Taylor and Hart$4,152 USD

43 data points across 18 retailers

18 retailers$1,026 USD to $4,152 USD

A
Cheapest Retailer
-
$1,026 USD
A
Retailer 2
-
$1,116 USD
View
A
Retailer 3
-
$1,148 USD
View
Final sale: no returns
A
Retailer 4
-
$1,190 USD
View
Retailer 5
-
$1,190 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$1,365 USD
View
A
Retailer 7
-
$1,589 USD
View
A
Retailer 8
-
$1,716 USD
£1,351 GBP
View
A
Retailer 9
-
$1,899 USD
View
B+
Retailer 10
-
$2,231 USD
View
B+
Retailer 11
-
$2,487 USD
View
B+
Retailer 12
-
$2,533 USD
ZAR 40,923 ZAR
View
B+
Retailer 13
-
$2,550 USD
A$3,923 AUD
View
B+
Retailer 14
-
$2,591 USD
View
B
Retailer 15
-
$3,292 USD
£2,592 GBP
View
B
Retailer 16
-
$3,689 USD
View
B
Retailer 17
-
$4,036 USD
£3,178 GBP
View
Most Expensive
B
Taylor and Hart
GKCF6WN · Oct 31
$4,152 USD
View
17 more retailers have this diamond
Prices start from $1,026 USDSave up to $3,126 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
4.56ct Radiant
$1,026 USD