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Emerald|Lab Grown|IGI

2.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG778616371

Shape and cutting style on the report: Emerald cut

Certificate IGI LG778616371

Diamond specifications and retailer prices

From €691 EUR
As of November 3, 2026
Save €3,710 EUR (84%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €4,401 EUR at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 2.51ct lab-grown emerald diamond

This 2.51ct lab-grown emerald 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 LG778616371 or 778616371. Listed at 21 retailers as of November 1, 2026, with prices from €691 to €4,401, a €3,710 spread on the same certified stone. Rare Carat lists it at €4,401. 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
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778616371
Dimensions9.59 × 6.33 × 4.05 mm
L/W Ratio1.52
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.59 mm6.33 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778616371
Side View
Table 68.0%Crown 37.3°Girdle: MediumPavilion 38.8°Culet: LargeDepth 64.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 3
Current: €4,401 EUR|Low: €502 EUR|High: €4,499 EUR|Avg: €1,992 EUR|-2.2%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 4, 2026
Retailer 13€691 EUR
Retailer 7€737 EUR
Retailer 11€877 EUR
Retailer 5€1,047 EUR
Retailer 10€1,136 EUR
Retailer 2€1,165 EUR
Retailer 16€1,731 EUR
Retailer 9€1,765 EUR
Retailer 14€1,882 EUR
Retailer 3€2,175 EUR
Retailer 4€2,262 EUR
Retailer 12€2,471 EUR
Retailer 6€2,487 EUR
Retailer 15€2,863 EUR
Retailer 8€3,332 EUR
Rare Carat€4,401 EUR

38 data points across 16 retailers

21 retailers€691 EUR to €4,401 EUR

A
Cheapest Retailer
-
€691 EUR
Final sale: no returns
Retailer 2
-
€737 EUR
View
Price last confirmed 24 days ago
Retailer 3
-
€737 EUR
View
Price last confirmed 18 days ago
Retailer 4
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€804 EUR
View
Price last confirmed 36 days ago
Retailer 5
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€875 EUR
View
Price last confirmed 40 days ago
A
Retailer 6
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€877 EUR
View
Retailer 7
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€920 EUR
View
Price last confirmed 36 days ago
A
Retailer 8
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€1,047 EUR
View
A
Retailer 9
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€1,136 EUR
View
A
Retailer 10
-
€1,165 EUR
View
A
Retailer 11
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€1,731 EUR
View
A
Retailer 12
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€1,765 EUR
View
A
Retailer 13
-
€1,882 EUR
View
A
Retailer 14
-
€2,175 EUR
View
A
Retailer 15
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€2,262 EUR
View
B+
Retailer 16
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€2,471 EUR
View
B+
Retailer 17
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€2,487 EUR
View
Retailer 18
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€2,623 EUR
View
Price last confirmed 35 days ago
B+
Retailer 19
-
€2,863 EUR
View
Retailer 20
-
€3,332 EUR
View
Price last confirmed 30 days ago
Most Expensive
B
Rare Carat
C-282_l_778616371 · Nov 1
€4,401 EUR
$4,920 USD
View
20 more retailers have this diamond
Prices start from €691 EURSave up to €3,710 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
2.51ct Emerald
€691 EUR