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Marquise|Lab Grown|GIA

2.56ct D IF Marquise Lab Grown Diamond

EX • D/IF • GIA 791655517

Certificate GIA 791655517

Diamond specifications and retailer prices

From €14,215 EUR
£12,505 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €14,215 EUR at Diamond Quarter
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Diamond Quarter

About this 2.56ct lab-grown marquise diamond

This 2.56ct lab-grown marquise 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 stated by the retailer rather than the lab and certified by GIA 791655517. Listed at a single retailer as of October 31, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

2.56
Carat
D
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 791655517
Dimensions13.85 × 7.08 × 4.51 mm
L/W Ratio1.96
Top View
13.85 mm7.08 mm2.56 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 791655517
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 63.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: €14,215 EUR|Low: €5,809 EUR|High: €14,215 EUR|Avg: €11,113 EUR
Diamond Quarter
Retailer 2
August 9, 2026
Retailer 2€6,552 EUR
Diamond Quarter€14,215 EUR

11 data points across 2 retailers

1 retailer

B
Diamond Quarter
2.56IFD2593372EN · Oct 31
€14,215 EUR
£12,505 GBP
View

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.

B
2.56ct Marquise
€14,215 EUR