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Emerald|Lab Grown|IGI

2.51ct D IF Emerald Lab Grown Diamond

ID • D/IF • IGI LG816641137

Shape and cutting style on the report: Emerald cut

Certificate IGI LG816641137

Diamond specifications and retailer prices

From €615 EUR
As of November 4, 2026
Save €2,388 EUR (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: €4,482 EUR at Rare Carat · As of October 7, 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 LG816641137 or 816641137. Listed at 19 retailers as of November 3, 2026, with a 389% 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

2.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816641137
Dimensions10.23 × 6.36 × 3.70 mm
L/W Ratio1.61
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.23 mm6.36 mm2.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816641137
Side View
Table 65.0%Crown 33.1°Girdle: MED-STKPavilion 39.9°Culet: LargeDepth 58.2%

Caratlytics Score

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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 4
Current: €1,160 EUR|Low: €615 EUR|High: €3,230 EUR|Avg: €1,555 EUR|-3.0%
Retailer 1
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
Retailer 17
Retailer 18
November 4, 2026
Retailer 12€615 EUR
Retailer 17€669 EUR
Retailer 2€688 EUR
Retailer 5€713 EUR
Retailer 10€737 EUR
Retailer 13€872 EUR
Retailer 9€1,039 EUR
Retailer 11€1,131 EUR
Retailer 1€1,160 EUR
Retailer 8€1,711 EUR
Retailer 18€1,756 EUR
Retailer 7€1,841 EUR
Retailer 14€2,005 EUR
Retailer 15€2,169 EUR
Retailer 3€2,222 EUR
Retailer 4€2,432 EUR
Retailer 16€2,459 EUR
Retailer 6€3,003 EUR

31 data points across 18 retailers

19 retailers€615 EUR to €3,003 EUR

A
Cheapest Retailer
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€615 EUR
A
Retailer 2
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€669 EUR
View
A
Retailer 3
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€688 EUR
View
Final sale: no returns
A
Retailer 4
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€713 EUR
View
Retailer 5
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€737 EUR
View
Price last confirmed 18 days ago
A
Retailer 6
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€872 EUR
View
A
Retailer 7
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€1,039 EUR
View
A
Retailer 8
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€1,131 EUR
View
A
Retailer 9
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€1,160 EUR
View
A
Retailer 10
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€1,711 EUR
View
A
Retailer 11
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€1,756 EUR
View
A
Retailer 12
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€1,841 EUR
View
A
Retailer 13
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€2,005 EUR
View
A
Retailer 14
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€2,169 EUR
View
A
Retailer 15
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€2,222 EUR
View
A
Retailer 16
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€2,432 EUR
View
B+
Retailer 17
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€2,459 EUR
View
B+
Retailer 18
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€3,003 EUR
View
Most Expensive
Rare Carat
KR18-27A · Oct 7
€4,482 EUR
$5,010 USD
View
Price last confirmed 27 days ago
18 more retailers have this diamond
Prices start from €615 EURSave up to €2,388 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
€615 EUR