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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 £472 GBP
$628 USD
As of October 27, 2026
Save £1,836 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,308 GBP 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 £472 to £2,308, a £1,836 spread on the same certified stone. MOH London lists it at £2,308. 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
Colour
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: £2,308 GBP|Low: £453 GBP|High: £2,332 GBP|Avg: £869 GBP|-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£472 GBP
Retailer 7£513 GBP
Retailer 5£528 GBP
Retailer 10£547 GBP
Retailer 11£547 GBP
Retailer 13£676 GBP
Retailer 2£720 GBP
Retailer 4£781 GBP
Retailer 6£845 GBP
Retailer 3£894 GBP
Retailer 12£1,397 GBP
Retailer 9£1,538 GBP
MOH London£2,308 GBP

35 data points across 13 retailers

15 retailers£472 GBP to £2,308 GBP

A
Cheapest Retailer
-
£472 GBP
$628 USD
A
Retailer 2
-
£513 GBP
$683 USD
View
A
Retailer 3
-
£528 GBP
$703 USD
View
Final sale: no returns
Retailer 4
-
£547 GBP
$728 USD
View
Price last confirmed 11 days ago
Retailer 5
-
£547 GBP
$728 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
£676 GBP
$900 USD
View
A
Retailer 7
-
£720 GBP
View
B+
Retailer 8
-
£781 GBP
$1,040 USD
View
B+
Retailer 9
-
£845 GBP
View
B+
Retailer 10
-
£894 GBP
$1,191 USD
View
Retailer 11
-
£1,397 GBP
$1,861 USD
View
Price last confirmed 11 days ago
Retailer 12
-
£1,538 GBP
$2,048 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£1,698 GBP
$2,262 USD
View
B
Retailer 14
-
£1,888 GBP
$2,515 USD
View
Most Expensive
B
MOH London
1503915345 · Oct 26
£2,308 GBP
View
14 more retailers have this diamond
Prices start from £472 GBPSave up to £1,836 GBP

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
£472 GBP