Emerald|Lab Grown|IGI

5.15ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG606333085

Shape and cutting style on the report: Emerald cut

Certificate IGI LG606333085

Diamond specifications and retailer prices

From €408 EUR
$456 USD
As of October 30, 2026
Save €2,018 EUR (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €2,864 EUR at Rare Carat · As of October 14, 2026
View at Rare Carat

About this 5.15ct lab-grown emerald diamond

This 5.15ct lab-grown emerald sits in the over five carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG606333085 or 606333085. Listed at 13 retailers as of October 30, 2026, with a 494% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

5.15
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG606333085
Dimensions11.32 × 7.99 × 5.50 mm
L/W Ratio1.42
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
11.32 mm7.99 mm5.15 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG606333085
Side View
Table 67.0%Crown 39.6°Girdle: MED-STKPavilion 37.6°Culet: LNGDepth 68.8%

Caratlytics Score

How it works →
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: €2,864 EUR|Low: €391 EUR|High: €4,717 EUR|Avg: €1,263 EUR|+6.3%
Rare Carat
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
October 30, 2026
Retailer 11€408 EUR
Retailer 4€456 EUR
Retailer 3€506 EUR
Retailer 12€506 EUR
Retailer 6€508 EUR
Retailer 9€631 EUR
Retailer 13€678 EUR
Retailer 7€773 EUR
Retailer 5€915 EUR
Retailer 10€1,182 EUR
Retailer 14€1,625 EUR
Retailer 8€1,868 EUR
Retailer 2€2,426 EUR
Rare Carat€2,864 EUR

30 data points across 14 retailers

13 retailers€408 EUR to €2,426 EUR

A
Cheapest Retailer
-
€408 EUR
$456 USD
A
Retailer 2
-
€456 EUR
$510 USD
View
Retailer 3
-
€506 EUR
$565 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
€506 EUR
$565 USD
View
A
Retailer 5
-
€631 EUR
$705 USD
View
B+
Retailer 6
-
€678 EUR
$758 USD
View
A
Retailer 7
-
€773 EUR
View
B+
Retailer 8
-
€915 EUR
$1,022 USD
View
B+
Retailer 9
-
€1,182 EUR
$1,321 USD
View
B
Retailer 10
-
€1,625 EUR
$1,816 USD
View
B+
Retailer 11
-
€1,868 EUR
£1,643 GBP
View
B
Retailer 12
-
€2,426 EUR
$2,710 USD
View
Most Expensive
Rare Carat
KB1-9 · Oct 14
€2,864 EUR
$3,200 USD
View
Price last confirmed 17 days ago
12 more retailers have this diamond
Prices start from €408 EURSave up to €2,018 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
5.15ct Emerald
€408 EUR