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Emerald|Lab Grown|IGI

5.12ct D SI1 Emerald Lab Grown Diamond

ID • D/SI1 • IGI LG621457283

Shape and cutting style on the report: Emerald cut

Certificate IGI LG621457283

Diamond specifications and retailer prices

From $1,296 CAD
$926 USD
As of October 30, 2026
Save $9,971 CAD (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $11,267 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 5.12ct lab-grown emerald diamond

This 5.12ct lab-grown emerald sits in the over five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621457283 or 621457283. Listed at 16 retailers as of October 29, 2026, with prices from $1,296 to $11,267, a $9,971 spread on the same certified stone. Brilliant Earth lists it at $11,267. 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

5.12
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.1°
Pavilion angle37.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621457283
Dimensions11.67 × 8.11 × 5.26 mm
L/W Ratio1.44
Culet sizeLong
Top View
11.67 mm8.11 mm5.12 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621457283
Side View
Table 66.0%Crown 33.1°Girdle: Slightly ThickPavilion 37.3°Culet: LNGDepth 64.9%

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 30
Current: $11,267 CAD|Low: $1,036 CAD|High: $11,617 CAD|Avg: $2,956 CAD|-3.0%
Brilliant Earth
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 10$1,296 CAD
Retailer 6$1,380 CAD
Retailer 3$1,411 CAD
Retailer 5$1,451 CAD
Retailer 11$1,505 CAD
Retailer 14$1,505 CAD
Retailer 7$1,750 CAD
Retailer 4$2,000 CAD
Retailer 2$2,317 CAD
Retailer 12$2,410 CAD
Retailer 9$3,346 CAD
Retailer 13$4,228 CAD
Retailer 8$5,107 CAD
Brilliant Earth$11,267 CAD

43 data points across 14 retailers

16 retailers$1,296 CAD to $11,267 CAD

A
Cheapest Retailer
-
$1,296 CAD
$926 USD
A
Retailer 2
-
$1,411 CAD
$1,008 USD
View
A
Retailer 3
-
$1,451 CAD
$1,037 USD
View
Final sale: no returns
A
Retailer 4
-
$1,505 CAD
$1,075 USD
View
Retailer 5
-
$1,505 CAD
$1,075 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
$1,750 CAD
$1,250 USD
View
B+
Retailer 7
-
$2,000 CAD
$1,429 USD
View
B+
Retailer 8
-
$2,317 CAD
£1,303 GBP
View
B+
Retailer 9
-
$2,410 CAD
$1,722 USD
View
B
Retailer 10
-
$3,346 CAD
$2,391 USD
View
B
Retailer 11
-
$4,228 CAD
$3,021 USD
View
B
Retailer 12
-
$4,686 CAD
$3,348 USD
View
B
Retailer 13
-
$5,107 CAD
£2,873 GBP
View
B
Retailer 14
-
$5,230 CAD
$3,737 USD
View
B
Retailer 15
-
$8,868 CAD
HK$49,500 HKD
View
Most Expensive
B
Brilliant Earth
17976517A · Oct 29
$11,267 CAD
$8,050 USD
View
15 more retailers have this diamond
Prices start from $1,296 CADSave up to $9,971 CAD

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
5.12ct Emerald
$1,296 CAD