Emerald|Lab Grown|IGI

15.09ct H SI1 Emerald Lab Grown Diamond

ID • H/SI1 • IGI LG594334057

Shape and cutting style on the report: Emerald cut

Certificate IGI LG594334057

Diamond specifications and retailer prices

From $2,235 USD
As of October 31, 2026
Save $6,685 USD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $8,920 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 15.09ct lab-grown emerald diamond

This 15.09ct lab-grown emerald sits in the over five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG594334057 or 594334057. Listed at 10 retailers as of October 29, 2026, with prices from $2,235 to $8,920, a $6,685 spread on the same certified stone. Brilliant Earth lists it at $8,920. 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

15.09
Carat
H
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG594334057
Dimensions16.68 × 11.51 × 7.76 mm
L/W Ratio1.45
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
16.68 mm11.51 mm15.09 ctH / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG594334057
Side View
Table 64.0%Crown 35.5°Girdle: MediumPavilion 39.1°Culet: LNGDepth 67.4%

Caratlytics Score

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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 31
Current: $8,920 USD|Low: $1,870 USD|High: $9,200 USD|Avg: $3,656 USD|-2.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 8$1,870 USD
Retailer 6$2,067 USD
Retailer 2$2,235 USD
Retailer 7$2,809 USD
Retailer 5$3,242 USD
Retailer 3$3,361 USD
Retailer 4$3,476 USD
Brilliant Earth$8,920 USD

19 data points across 8 retailers

10 retailers$2,235 USD to $8,920 USD

Retailer 1
-
$1,782 USD
Price last confirmed 39 days ago
Retailer 2
-
$1,938 USD
View
Price last confirmed 36 days ago
Retailer 3
-
$2,038 USD
View
Price last confirmed 34 days ago
Retailer 4
-
$2,067 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$2,235 USD
View
A
Retailer 6
-
$2,809 USD
View
B+
Retailer 7
-
$3,242 USD
View
A
Retailer 8
-
$3,361 USD
€3,201 EUR
View
A
Retailer 9
-
$3,476 USD
View
Most Expensive
B+
Brilliant Earth
7881683A · Oct 29
$8,920 USD
View
9 more retailers have this diamond
Prices start from $2,235 USDSave up to $6,685 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
15.09ct Emerald
$2,235 USD