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Emerald|Lab Grown|GIA

3.15ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1

Diamond specifications and retailer prices

From $1,678 CAD
£946 GBP
As of October 30, 2026
Save $2,274 CAD (58%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $3,952 CAD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 3.15ct lab-grown emerald diamond

This 3.15ct lab-grown emerald sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA. Listed at 2 retailers as of October 29, 2026, with prices from $1,678 to $3,952, a $2,274 spread on the same certified stone. Blue Nile lists it at $3,952. 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

3.15
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
Dimensions10.08 × 6.84 × 0.00 mm
L/W Ratio1.47
Top View
10.08 mm6.84 mm3.15 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA
Side View
Table 65.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 67.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 30
Current: $3,952 CAD|Low: $958 CAD|High: $4,390 CAD|Avg: $2,261 CAD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 3$958 CAD
Retailer 5$1,085 CAD
Retailer 7$1,266 CAD
Retailer 2$1,678 CAD
Retailer 6$3,476 CAD
Retailer 4$3,593 CAD
Blue Nile$3,952 CAD

21 data points across 7 retailers

2 retailers$1,678 CAD to $3,952 CAD

B+
Cheapest Retailer
-
$1,678 CAD
£946 GBP
Most Expensive
B
Blue Nile
22181299 · Oct 29
$3,952 CAD
$2,829 USD
View
1 more retailer has this diamond
Prices start from $1,678 CADSave up to $2,274 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.

B+
3.15ct Emerald
$1,678 CAD