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Marquise|Lab Grown|IGI

2.78ct F VS2 Marquise Lab Grown Diamond

EX • F/VS2

Diamond specifications and retailer prices

From $879 AUD
$616 USD
As of November 2, 2026
Save $2,118 AUD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,423 AUD at Helzberg Diamonds · As of October 2, 2026
View at Helzberg 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. Listed at 5 retailers as of October 28, 2026, with a 241% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions14.93 × 7.15 × 4.61 mm
L/W Ratio2.09
Top View
14.93 mm7.15 mm2.78 ctF / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 55.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.5%

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 2
Current: $4,423 AUD|Low: $879 AUD|High: $4,423 AUD|Avg: $2,957 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 3$879 AUD
Retailer 4$1,979 AUD
Retailer 5$2,857 AUD
Retailer 2$2,996 AUD
Helzberg Diamonds$4,423 AUD

6 data points across 5 retailers

5 retailers$879 AUD to $2,996 AUD

A
Cheapest Retailer
-
$879 AUD
$616 USD
B+
Retailer 2
-
$1,979 AUD
CA$1,926 CAD
View
B
Retailer 3
-
$2,857 AUD
$2,002 USD
View
B
Retailer 4
-
$2,996 AUD
$2,100 USD
View
Most Expensive
Helzberg Diamonds
ZXZOJPMHLKON · Oct 2
$4,423 AUD
$3,100 USD
View
Price last confirmed 32 days ago
4 more retailers have this diamond
Prices start from $879 AUDSave up to $2,118 AUD

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
$879 AUD