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Oval|Lab Grown|IGI

2.78ct F VS2 Oval Lab Grown Diamond

EX • F/VS2 • IGI LG795666506

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG795666506

Diamond specifications and retailer prices

From $705 USD
As of October 25, 2026
Save $2,415 USD (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,120 USD at Brilliant Earth · As of October 26, 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 LG795666506 or 795666506. Listed at 13 retailers as of October 25, 2026, with prices from $705 to $3,120, a $2,415 spread on the same certified stone. Brilliant Earth lists it at $3,120. 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 angle34.5°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795666506
Dimensions11.44 × 7.93 × 4.95 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.44 mm7.93 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795666506
Side View
Table 62.0%Crown 34.5°Girdle: MED-STKPavilion 41.8°Culet: NoneDepth 62.4%

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 25
Current: $3,120 USD|Low: $421 USD|High: $6,279 USD|Avg: $1,711 USD|-4.0%
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
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Retailer 16
October 25, 2026
Retailer 4$421 USD
Retailer 15$628 USD
Retailer 9$705 USD
Retailer 14$746 USD
Retailer 2$827 USD
Retailer 5$1,061 USD
Retailer 10$1,309 USD
Retailer 3$1,489 USD
Retailer 6$1,539 USD
Retailer 12$1,629 USD
Retailer 7$1,730 USD
Retailer 16$1,756 USD
Retailer 11$1,833 USD
Retailer 13$2,040 USD
Brilliant Earth$3,120 USD
Retailer 8$6,279 USD

36 data points across 16 retailers

13 retailers$705 USD to $3,120 USD

Retailer 1
-
$628 USD
Price last confirmed 6 days ago
A
Retailer 2
-
$705 USD
View
A
Retailer 3
-
$827 USD
£652 GBP
View
A
Retailer 4
-
$1,061 USD
View
Retailer 5
-
$1,309 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
$1,489 USD
SGD 2,012 SGD
View
B+
Retailer 7
-
$1,539 USD
View
B+
Retailer 8
-
$1,629 USD
View
Retailer 9
-
$1,730 USD
A$2,662 AUD
View
Price last confirmed 25 days ago
B+
Retailer 10
-
$1,756 USD
View
Retailer 11
-
$1,833 USD
£1,443 GBP
View
Price last confirmed 8 days ago
B
Retailer 12
-
$2,040 USD
View
Most Expensive
B
Brilliant Earth
21191450A · Oct 26
$3,120 USD
View
12 more retailers have this diamond
Prices start from $705 USDSave up to $2,415 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
$705 USD