Emerald|Lab Grown|GIA

3.18ct E SI1 Emerald Lab Grown Diamond

EX • E/SI1 • GIA 1503915345

Certificate GIA 1503915345

Diamond specifications and retailer prices

From $628 USD
As of October 27, 2026
Save $2,445 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,073 USD at MOH London · As of October 26, 2026
View at MOH London

About this 3.18ct lab-grown emerald diamond

This 3.18ct 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 1503915345. Listed at 15 retailers as of October 26, 2026, with prices from $628 to $3,073, a $2,445 spread on the same certified stone. MOH London lists it at $3,073. 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

3.18
Carat
E
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1503915345
Dimensions9.98 × 6.98 × 4.77 mm
L/W Ratio1.43
Top View
9.98 mm6.98 mm3.18 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1503915345
Side View
Table 65.0%CrownGirdlePavilionCulet: NoneDepth 68.2%

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 27
Current: $3,073 USD|Low: $603 USD|High: $3,105 USD|Avg: $1,157 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 28, 2026
Retailer 8$628 USD
Retailer 7$683 USD
Retailer 5$703 USD
Retailer 10$728 USD
Retailer 11$728 USD
Retailer 13$900 USD
Retailer 2$959 USD
Retailer 4$1,040 USD
Retailer 6$1,125 USD
Retailer 3$1,191 USD
Retailer 12$1,861 USD
Retailer 9$2,048 USD
MOH London$3,073 USD

36 data points across 13 retailers

15 retailers$628 USD to $3,073 USD

A
Cheapest Retailer
-
$628 USD
A
Retailer 2
-
$683 USD
View
A
Retailer 3
-
$703 USD
View
Final sale: no returns
A
Retailer 4
-
$728 USD
View
Price last confirmed 10 days ago
A
Retailer 5
-
$728 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$900 USD
View
A
Retailer 7
-
$959 USD
£755 GBP
View
B+
Retailer 8
-
$1,040 USD
View
B+
Retailer 9
-
$1,125 USD
£886 GBP
View
B+
Retailer 10
-
$1,191 USD
View
B
Retailer 11
-
$1,861 USD
View
Price last confirmed 10 days ago
B
Retailer 12
-
$2,048 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
$2,262 USD
View
B
Retailer 14
-
$2,515 USD
View
Most Expensive
B
MOH London
1503915345 · Oct 26
$3,073 USD
£2,420 GBP
View
14 more retailers have this diamond
Prices start from $628 USDSave up to $2,445 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
3.18ct Emerald
$628 USD