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Oval|Lab Grown|IGI

4.51ct F VS2 Oval Lab Grown Diamond

ID • F/VS2 • IGI LG821686846

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821686846

Diamond specifications and retailer prices

From $1,282 USD
As of October 26, 2026
Save $6,088 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,370 USD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 4.51ct lab-grown oval diamond

This 4.51ct 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 LG821686846 or 821686846. Listed at 12 retailers as of October 26, 2026, with prices from $1,282 to $7,370, a $6,088 spread on the same certified stone. Brilliant Earth lists it at $7,370. 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

4.51
Carat
F
Color
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821686846
Dimensions13.04 × 9.49 × 5.76 mm
L/W Ratio1.37
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.04 mm9.49 mm4.51 ctF / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821686846
Side View
Table 62.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 60.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $7,370 USD|Low: $661 USD|High: $7,590 USD|Avg: $3,088 USD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 25, 2026
Retailer 8$679 USD
Retailer 6$739 USD
Retailer 4$802 USD
Retailer 11$1,282 USD
Retailer 7$2,012 USD
Retailer 5$2,015 USD
Retailer 9$2,445 USD
Retailer 2$3,419 USD
Retailer 3$4,097 USD
Retailer 10$6,030 USD
Brilliant Earth$7,370 USD

22 data points across 11 retailers

12 retailers$1,282 USD to $7,370 USD

Retailer 1
-
$679 USD
Price last confirmed 9 days ago
Retailer 2
-
$739 USD
View
Price last confirmed 8 days ago
Retailer 3
-
$802 USD
£631 GBP
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$1,282 USD
View
B+
Retailer 5
-
$2,012 USD
View
Retailer 6
-
$2,015 USD
View
Price last confirmed 5 days ago
Retailer 7
-
$2,160 USD
View
Price last confirmed 7 days ago
Retailer 8
-
$2,445 USD
View
Price last confirmed 7 days ago
B
Retailer 9
-
$3,419 USD
£2,692 GBP
View
B
Retailer 10
-
$4,097 USD
View
B
Retailer 11
-
$6,030 USD
View
Most Expensive
B
Brilliant Earth
20927302Y · Oct 26
$7,370 USD
View
11 more retailers have this diamond
Prices start from $1,282 USDSave up to $6,088 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.

B+
4.51ct Oval
$1,282 USD