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Emerald|Lab Grown|IGI

21.51ct E VVS2 Emerald Lab Grown Diamond

ID • E/VVS2 • IGI LG789625873

Shape and cutting style on the report: Emerald cut

Certificate IGI LG789625873

Diamond specifications and retailer prices

About this 21.51ct lab-grown emerald diamond

This 21.51ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG789625873 or 789625873. Listed at 5 retailers as of October 26, 2026. 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

21.51
Carat
E
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789625873
Dimensions19.20 × 12.83 × 8.76 mm
L/W Ratio1.50
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.20 mm12.83 mm21.51 ctE / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789625873
Side View
Table 64.0%Crown 34.3°Girdle: MediumPavilion 39.6°Culet: LargeDepth 68.3%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 29
Current: $5,723,920 NZD|Low: $4,311,735 NZD|High: $8,475,821 NZD|Avg: $6,398,571 NZD|+1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 24, 2026
Retailer 3$4,426,725 NZD
Retailer 2$5,339,677 NZD
Retailer 5$5,530,383 NZD
Retailer 1$5,723,920 NZD
Retailer 6$8,467,386 NZD
Retailer 4$8,475,821 NZD

4 data points across 6 retailers

5 retailers

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
21.51ct Emerald