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 $456 USD
As of October 30, 2026
Save $2,254 USD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,200 USD 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: $3,200 USD|Low: $437 USD|High: $5,270 USD|Avg: $1,411 USD|+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$456 USD
Retailer 4$510 USD
Retailer 3$565 USD
Retailer 12$565 USD
Retailer 6$568 USD
Retailer 9$705 USD
Retailer 13$758 USD
Retailer 7$864 USD
Retailer 5$1,022 USD
Retailer 10$1,321 USD
Retailer 14$1,816 USD
Retailer 8$2,087 USD
Retailer 2$2,710 USD
Rare Carat$3,200 USD

30 data points across 14 retailers

13 retailers$456 USD to $2,710 USD

A
Cheapest Retailer
-
$456 USD
A
Retailer 2
-
$510 USD
View
Retailer 3
-
$565 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
$565 USD
View
A
Retailer 5
-
$705 USD
View
B+
Retailer 6
-
$758 USD
View
A
Retailer 7
-
$864 USD
€823 EUR
View
B+
Retailer 8
-
$1,022 USD
View
B+
Retailer 9
-
$1,321 USD
View
B
Retailer 10
-
$1,816 USD
View
B+
Retailer 11
-
$2,087 USD
£1,643 GBP
View
B
Retailer 12
-
$2,710 USD
View
Most Expensive
Rare Carat
KB1-9 · Oct 14
$3,200 USD
View
Price last confirmed 17 days ago
12 more retailers have this diamond
Prices start from $456 USDSave up to $2,254 USD

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
$456 USD