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Marquise|Lab Grown|GIA

2.51ct E IF Marquise Lab Grown Diamond

EX • E/IF • GIA 817677136

Certificate GIA 817677136

Diamond specifications and retailer prices

From €13,943 EUR
£12,266 GBP
As of October 31, 2026
1 retailer carries this diamond
Only listing: €13,943 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 2.51ct lab-grown marquise diamond

This 2.51ct lab-grown marquise sits in the two to three carat band, graded E 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 817677136. 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

2.51
Carat
E
Color
IF
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 817677136
Dimensions14.55 × 7.20 × 4.37 mm
L/W Ratio2.02
Top View
14.55 mm7.20 mm2.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 817677136
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.7%

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: €13,943 EUR|Low: €7,367 EUR|High: €13,943 EUR|Avg: €10,996 EUR
Diamond Quarter
Retailer 2
August 15, 2026
Retailer 2€7,367 EUR
Diamond Quarter€13,943 EUR

6 data points across 2 retailers

1 retailer

B
Diamond Quarter
2.51IFE34889432N · Oct 31
€13,943 EUR
£12,266 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
2.51ct Marquise
€13,943 EUR