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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 $788 SGD
$616 USD
As of November 2, 2026
Save $1,898 SGD (71%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,965 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,965 SGD|Low: $788 SGD|High: $3,965 SGD|Avg: $2,651 SGD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 3$788 SGD
Retailer 4$1,774 SGD
Retailer 5$2,560 SGD
Retailer 2$2,686 SGD
Helzberg Diamonds$3,965 SGD

6 data points across 5 retailers

5 retailers$788 SGD to $2,686 SGD

A
Cheapest Retailer
-
$788 SGD
$616 USD
B+
Retailer 2
-
$1,774 SGD
CA$1,926 CAD
View
B
Retailer 3
-
$2,560 SGD
$2,002 USD
View
B
Retailer 4
-
$2,686 SGD
$2,100 USD
View
Most Expensive
Helzberg Diamonds
ZXZOJPMHLKON · Oct 2
$3,965 SGD
$3,100 USD
View
Price last confirmed 32 days ago
4 more retailers have this diamond
Prices start from $788 SGDSave up to $1,898 SGD

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
$788 SGD