Emerald|Lab Grown|IGI

4.21ct E IF Emerald Lab Grown Diamond

ID • E/IF • IGI LG770625758

Shape and cutting style on the report: Emerald cut

Certificate IGI LG770625758

Diamond specifications and retailer prices

From €1,902 EUR
$2,125 USD
As of October 30, 2026
Save €5,812 EUR (75%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: €7,714 EUR at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.21ct lab-grown emerald diamond

This 4.21ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770625758 or 770625758. Listed at 21 retailers as of October 30, 2026, with prices from €1,902 to €7,714, a €5,812 spread on the same certified stone. Taylor and Hart lists it at €7,714. 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

4.21
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle37.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770625758
Dimensions10.90 × 7.47 × 4.97 mm
L/W Ratio1.46
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.90 mm7.47 mm4.21 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770625758
Side View
Table 65.0%Crown 36.6°Girdle: MediumPavilion 37.2°Culet: LargeDepth 66.5%

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: Oct 30
Current: €3,036 EUR|Low: €1,826 EUR|High: €8,496 EUR|Avg: €4,073 EUR|-13.2%
Retailer 1
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Retailer 10
Retailer 11
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Retailer 15
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Retailer 19
Taylor and Hart
October 30, 2026
Retailer 18€1,902 EUR
Retailer 5€2,069 EUR
Retailer 4€2,129 EUR
Retailer 6€2,206 EUR
Retailer 9€2,206 EUR
Retailer 19€2,354 EUR
Retailer 8€2,421 EUR
Retailer 1€3,036 EUR
Retailer 15€3,153 EUR
Retailer 17€3,458 EUR
Retailer 13€3,872 EUR
Retailer 10€4,188 EUR
Retailer 12€4,696 EUR
Retailer 16€4,734 EUR
Retailer 7€5,223 EUR
Retailer 3€5,943 EUR
Retailer 14€6,018 EUR
Retailer 2€6,261 EUR
Retailer 11€7,377 EUR
Taylor and Hart€7,714 EUR

41 data points across 20 retailers

21 retailers€1,902 EUR to €7,714 EUR

A
Cheapest Retailer
-
€1,902 EUR
$2,125 USD
A
Retailer 2
-
€2,069 EUR
$2,312 USD
View
A
Retailer 3
-
€2,129 EUR
$2,379 USD
View
Final sale: no returns
A
Retailer 4
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€2,206 EUR
$2,465 USD
View
Retailer 5
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€2,206 EUR
$2,465 USD
View
Price last confirmed 19 days ago
A
Retailer 6
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€2,354 EUR
$2,630 USD
View
A
Retailer 7
-
€2,421 EUR
$2,705 USD
View
A
Retailer 8
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€3,033 EUR
$3,388 USD
View
A
Retailer 9
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€3,036 EUR
£2,671 GBP
View
A
Retailer 10
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€3,153 EUR
$3,522 USD
View
A
Retailer 11
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€3,458 EUR
$3,863 USD
View
A
Retailer 12
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€3,872 EUR
View
A
Retailer 13
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€4,188 EUR
£3,684 GBP
View
A
Retailer 14
-
€4,696 EUR
ZAR 84,759 ZAR
View
Retailer 15
-
€4,734 EUR
A$8,137 AUD
View
Price last confirmed 8 days ago
A
Retailer 16
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€5,223 EUR
$5,835 USD
View
A
Retailer 17
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€5,943 EUR
$6,640 USD
View
A
Retailer 18
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€6,018 EUR
£5,294 GBP
View
A
Retailer 19
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€6,261 EUR
$6,995 USD
View
B+
Retailer 20
-
€7,377 EUR
SGD 11,137 SGD
View
Most Expensive
B+
Taylor and Hart
DMRG8K7 · Oct 30
€7,714 EUR
$8,618 USD
View
20 more retailers have this diamond
Prices start from €1,902 EURSave up to €5,812 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
4.21ct Emerald
€1,902 EUR