Oval|Lab Grown|IGI

4.21ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG826611304

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG826611304

Diamond specifications and retailer prices

From $960 USD
As of November 1, 2026
Save $5,990 USD (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,950 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 4.21ct lab-grown oval diamond

This 4.21ct lab-grown oval sits in the three to five carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG826611304 or 826611304. Listed at 10 retailers as of November 1, 2026, with prices from $960 to $6,950, a $5,990 spread on the same certified stone. Brilliant Earth lists it at $6,950. 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

4.21
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826611304
Dimensions13.05 × 9.17 × 5.72 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.05 mm9.17 mm4.21 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826611304
Side View
Table 56.0%Crown 35.8°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 62.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: $6,950 USD|Low: $960 USD|High: $6,950 USD|Avg: $1,868 USD|+1.0%
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
November 1, 2026
Retailer 10$960 USD
Retailer 12$977 USD
Retailer 3$1,087 USD
Retailer 2$1,182 USD
Retailer 9$1,282 USD
Retailer 8$1,284 USD
Retailer 5$1,300 USD
Retailer 4$1,656 USD
Retailer 13$1,834 USD
Retailer 6$2,248 USD
Retailer 7$2,753 USD
Retailer 14$3,260 USD
Retailer 11$3,825 USD
Brilliant Earth$6,950 USD

17 data points across 14 retailers

10 retailers$960 USD to $6,950 USD

A
Cheapest Retailer
-
$960 USD
B+
Retailer 2
-
$977 USD
View
A
Retailer 3
-
$1,156 USD
View
A
Retailer 4
-
$1,182 USD
€1,126 EUR
View
A
Retailer 5
-
$1,282 USD
View
B+
Retailer 6
-
$1,834 USD
View
B
Retailer 7
-
$2,753 USD
A$4,235 AUD
View
Retailer 8
-
$3,260 USD
View
Price last confirmed 34 days ago
B
Retailer 9
-
$3,825 USD
View
Most Expensive
B
Brilliant Earth
22296043A · Nov 1
$6,950 USD
View
9 more retailers have this diamond
Prices start from $960 USDSave up to $5,990 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
4.21ct Oval
$960 USD