Emerald|Lab Grown|GIA

3.15ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1

Diamond specifications and retailer prices

From $1,204 USD
£948 GBP
As of October 29, 2026
Save $1,625 USD (57%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,829 USD 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 $1,204 to $2,829, a $1,625 spread on the same certified stone. Blue Nile lists it at $2,829. 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

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Oct 29
Current: $2,829 USD|Low: $686 USD|High: $3,143 USD|Avg: $1,617 USD
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3$686 USD
Retailer 5$777 USD
Retailer 7$906 USD
Retailer 2$1,204 USD
Retailer 6$2,489 USD
Retailer 4$2,572 USD
Blue Nile$2,829 USD

20 data points across 7 retailers

2 retailers$1,204 USD to $2,829 USD

B+
Cheapest Retailer
-
$1,204 USD
£948 GBP
Most Expensive
B
Blue Nile
22181299 · Oct 29
$2,829 USD
View
1 more retailer has this diamond
Prices start from $1,204 USDSave up to $1,625 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.

B+
3.15ct Emerald
$1,204 USD