Oval|Lab Grown|IGI

2.78ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG831642652

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG831642652

Diamond specifications and retailer prices

From $662 USD
As of October 29, 2026
Save $3,788 USD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,450 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 2.78ct lab-grown oval diamond

This 2.78ct lab-grown oval sits in the two to three carat band, graded F colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831642652 or 831642652. Listed at 5 retailers as of October 29, 2026, with prices from $662 to $4,450, a $3,788 spread on the same certified stone. Brilliant Earth lists it at $4,450. 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

2.78
Carat
F
Color
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831642652
Dimensions11.30 × 8.00 × 4.88 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.30 mm8.00 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831642652
Side View
Table 62.0%Crown 35.6°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 29
Current: $4,450 USD|Low: $590 USD|High: $4,450 USD|Avg: $1,047 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 25, 2026
Retailer 6$590 USD
Retailer 3$662 USD
Retailer 8$686 USD
Retailer 4$822 USD
Retailer 2$847 USD
Retailer 7$1,191 USD
Retailer 9$1,465 USD
Retailer 5$2,065 USD
Brilliant Earth$4,450 USD

13 data points across 9 retailers

5 retailers$662 USD to $4,450 USD

A
Cheapest Retailer
-
$662 USD
B+
Retailer 2
-
$686 USD
View
A
Retailer 3
-
$847 USD
View
Retailer 4
-
$2,065 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
22295712A · Oct 29
$4,450 USD
View
4 more retailers have this diamond
Prices start from $662 USDSave up to $3,788 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
2.78ct Oval
$662 USD