Princess|Lab Grown|IGI

2.78ct D IF Princess Lab Grown Diamond

ID • D/IF

Diamond specifications and retailer prices

From €1,587 EUR
£1,401 GBP
As of November 1, 2026
Save €4,621 EUR (74%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: €6,207 EUR at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 2.78ct lab-grown princess diamond

This 2.78ct lab-grown princess sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI. Listed at 2 retailers as of October 31, 2026, with prices from €1,587 to €6,207, a €4,621 spread on the same certified stone. Blue Nile lists it at €6,207. 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
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.62 × 7.61 × 5.27 mm
L/W Ratio1.00
Top View
7.62 mm7.61 mm2.78 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 69.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 69.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 1
Current: €6,207 EUR|Low: €1,587 EUR|High: €6,207 EUR|Avg: €3,903 EUR
Blue Nile
Retailer 2
November 1, 2026
Retailer 2€1,587 EUR
Blue Nile€6,207 EUR

36 data points across 2 retailers

2 retailers€1,587 EUR to €6,207 EUR

A
Cheapest Retailer
-
€1,587 EUR
£1,401 GBP
Most Expensive
B
Blue Nile
27420949 · Oct 31
€6,207 EUR
$6,962 USD
View
1 more retailer has this diamond
Prices start from €1,587 EURSave up to €4,621 EUR

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 Princess
€1,587 EUR