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Emerald|Lab Grown|IGI

1.51ct I VS1 Emerald Lab Grown Diamond

ID • I/VS1 • IGI LG621455172

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621455172

Diamond specifications and retailer prices

From €411 EUR
$459 USD
As of October 30, 2026
Save €798 EUR (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: €1,208 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.51ct lab-grown emerald diamond

This 1.51ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG621455172 or 621455172. Listed at 7 retailers as of October 30, 2026, with prices from €411 to €1,208, a €798 spread on the same certified stone. Brilliant Earth lists it at €1,208. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621455172
Dimensions8.45 × 5.23 × 3.40 mm
L/W Ratio1.62
Culet sizeLong
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.45 mm5.23 mm1.51 ctI / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621455172
Side View
Table 65.0%Crown 38.8°Girdle: MediumPavilion 39.4°Culet: LNGDepth 65.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,208 EUR|Low: €411 EUR|High: €1,253 EUR|Avg: €703 EUR|-3.6%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 4€411 EUR
Retailer 3€452 EUR
Retailer 5€457 EUR
Retailer 6€562 EUR
Retailer 7€722 EUR
Retailer 8€919 EUR
Retailer 2€1,088 EUR
Brilliant Earth€1,208 EUR

19 data points across 8 retailers

7 retailers€411 EUR to €1,208 EUR

A
Cheapest Retailer
-
€411 EUR
$459 USD
A
Retailer 2
-
€452 EUR
View
A
Retailer 3
-
€457 EUR
$511 USD
View
B+
Retailer 4
-
€562 EUR
$628 USD
View
B
Retailer 5
-
€919 EUR
$1,027 USD
View
B
Retailer 6
-
€1,088 EUR
£957 GBP
View
Most Expensive
B
Brilliant Earth
20918481A · Oct 31
€1,208 EUR
$1,350 USD
View
6 more retailers have this diamond
Prices start from €411 EURSave up to €798 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
1.51ct Emerald
€411 EUR