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Emerald|Lab Grown|IGI

5.51ct E VS2 Emerald Lab Grown Diamond

EX • E/VS2 • IGI LG841651855

Shape and cutting style on the report: Emerald cut

Certificate IGI LG841651855

Diamond specifications and retailer prices

From $2,268 NZD
$1,274 USD
As of October 28, 2026
Save $433 NZD (16%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $9,472 NZD at Brilliant Earth · As of October 10, 2026
View at Brilliant Earth

About this 5.51ct lab-grown emerald diamond

This 5.51ct lab-grown emerald sits in the over five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841651855 or 841651855. Listed at 3 retailers as of October 28, 2026, with a relatively tight 19% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

5.51
Carat
E
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841651855
Dimensions11.54 × 8.39 × 5.85 mm
L/W Ratio1.38
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.54 mm8.39 mm5.51 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841651855
Side View
Table 63.0%Crown 39.5°Girdle: Slightly ThickPavilion 40.3°Culet: LargeDepth 69.7%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $9,472 NZD|Low: $2,268 NZD|High: $9,472 NZD|Avg: $4,800 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
October 29, 2026
Retailer 3$2,268 NZD
Retailer 4$2,415 NZD
Retailer 2$2,701 NZD
Brilliant Earth$9,472 NZD

9 data points across 4 retailers

3 retailers$2,268 NZD to $2,701 NZD

B+
Cheapest Retailer
-
$2,268 NZD
$1,274 USD
A
Retailer 2
-
$2,701 NZD
€1,445 EUR
View
Most Expensive
Brilliant Earth
21706292A · Oct 10
$9,472 NZD
$5,320 USD
View
Price last confirmed 19 days ago
2 more retailers have this diamond
Prices start from $2,268 NZDSave up to $433 NZD

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
5.51ct Emerald
$2,268 NZD