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Marquise|Lab Grown|IGI

2.78ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2 • IGI LG833658777

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG833658777

Diamond specifications and retailer prices

From $578 USD
As of November 1, 2026
Save $1,159 USD (67%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,737 USD at Novita Diamonds · As of October 30, 2026
View at Novita Diamonds

About this 2.78ct lab-grown marquise diamond

This 2.78ct lab-grown marquise 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 LG833658777 or 833658777. Listed at 5 retailers as of October 30, 2026, with prices from $578 to $1,737, a $1,159 spread on the same certified stone. Novita Diamonds lists it at $1,737. 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 angle34.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG833658777
Dimensions14.85 × 7.44 × 4.55 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.85 mm7.44 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG833658777
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,737 USD|Low: $578 USD|High: $1,737 USD|Avg: $875 USD
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$578 USD
Retailer 7$605 USD
Retailer 5$606 USD
Retailer 2$769 USD
Retailer 3$836 USD
Retailer 6$851 USD
Retailer 8$1,506 USD
Novita Diamonds$1,737 USD

7 data points across 8 retailers

5 retailers$578 USD to $1,737 USD

A
Cheapest Retailer
-
$578 USD
B+
Retailer 2
-
$606 USD
View
A
Retailer 3
-
$769 USD
€732 EUR
View
A
Retailer 4
-
$836 USD
View
Most Expensive
B
Novita Diamonds
cert_833658777 · Oct 30
$1,737 USD
A$2,673 AUD
View
4 more retailers have this diamond
Prices start from $578 USDSave up to $1,159 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 Marquise
$578 USD