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Radiant|Lab Grown|IGI

3.05ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG839642591

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

Certificate IGI LG839642591

Diamond specifications and retailer prices

From $685 USD
As of November 1, 2026
Save $4,905 USD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,390 USD at Brilliant Earth · As of October 18, 2026
View at Brilliant Earth

About this 3.05ct lab-grown radiant diamond

This 3.05ct 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 LG839642591 or 839642591. Listed at 20 retailers as of November 1, 2026, with a 716% 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

3.05
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839642591
Dimensions10.35 × 7.01 × 4.74 mm
L/W Ratio1.48
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.35 mm7.01 mm3.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839642591
Side View
Table 62.0%Crown 46°Girdle: Slightly ThickPavilion 34.2°Culet: NoneDepth 67.6%

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: Nov 1
Current: $6,390 USD|Low: $685 USD|High: $6,400 USD|Avg: $2,328 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
Retailer 18
November 2, 2026
Retailer 12$685 USD
Retailer 4$704 USD
Retailer 5$910 USD
Retailer 10$1,032 USD
Retailer 2$1,079 USD
Retailer 3$1,131 USD
Retailer 11$1,292 USD
Retailer 6$1,357 USD
Retailer 15$1,821 USD
Retailer 16$1,866 USD
Retailer 7$1,872 USD
Retailer 14$2,352 USD
Retailer 8$2,491 USD
Retailer 18$2,545 USD
Retailer 9$2,891 USD
Retailer 13$3,166 USD
Retailer 17$5,590 USD
Brilliant Earth$6,390 USD

7 data points across 18 retailers

20 retailers$685 USD to $5,590 USD

A
Cheapest Retailer
-
$685 USD
A
Retailer 2
-
$704 USD
View
Final sale: no returns
A
Retailer 3
-
$730 USD
View
A
Retailer 4
-
$910 USD
View
A
Retailer 5
-
$1,032 USD
View
A
Retailer 6
-
$1,079 USD
£850 GBP
View
A
Retailer 7
-
$1,131 USD
View
A
Retailer 8
-
$1,292 USD
£1,017 GBP
View
A
Retailer 9
-
$1,357 USD
View
B+
Retailer 10
-
$1,821 USD
A$2,802 AUD
View
B+
Retailer 11
-
$1,866 USD
View
B+
Retailer 12
-
$1,872 USD
ZAR 30,243 ZAR
View
B+
Retailer 13
-
$2,267 USD
View
B
Retailer 14
-
$2,352 USD
A$3,619 AUD
View
B
Retailer 15
-
$2,491 USD
View
B
Retailer 16
-
$2,545 USD
View
B
Retailer 17
-
$2,891 USD
View
B
Retailer 18
-
$3,166 USD
£2,493 GBP
View
B
Retailer 19
-
$5,590 USD
View
Most Expensive
Brilliant Earth
22181047A · Oct 18
$6,390 USD
View
Price last confirmed 14 days ago
19 more retailers have this diamond
Prices start from $685 USDSave up to $4,905 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
3.05ct Radiant
$685 USD