CaratHunter
Plans
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 $894 AUD
$628 USD
As of October 27, 2026
Save $3,481 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,375 AUD 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 $894 to $4,375, a $3,481 spread on the same certified stone. MOH London lists it at $4,375. 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: $4,375 AUD|Low: $858 AUD|High: $4,420 AUD|Avg: $1,652 AUD|-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 30, 2026
Retailer 8$894 AUD
Retailer 7$972 AUD
Retailer 5$1,001 AUD
Retailer 10$1,036 AUD
Retailer 11$1,036 AUD
Retailer 13$1,281 AUD
Retailer 2$1,361 AUD
Retailer 4$1,481 AUD
Retailer 6$1,602 AUD
Retailer 3$1,696 AUD
Retailer 12$2,649 AUD
Retailer 9$2,916 AUD
MOH London$4,375 AUD

36 data points across 13 retailers

15 retailers$894 AUD to $4,375 AUD

A
Cheapest Retailer
-
$894 AUD
$628 USD
A
Retailer 2
-
$972 AUD
$683 USD
View
A
Retailer 3
-
$1,001 AUD
$703 USD
View
Final sale: no returns
Retailer 4
-
$1,036 AUD
$728 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$1,036 AUD
$728 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,281 AUD
$900 USD
View
A
Retailer 7
-
$1,361 AUD
£753 GBP
View
B+
Retailer 8
-
$1,481 AUD
$1,040 USD
View
B+
Retailer 9
-
$1,602 AUD
£886 GBP
View
B+
Retailer 10
-
$1,696 AUD
$1,191 USD
View
Retailer 11
-
$2,649 AUD
$1,861 USD
View
Price last confirmed 11 days ago
Retailer 12
-
$2,916 AUD
$2,048 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$3,220 AUD
$2,262 USD
View
B
Retailer 14
-
$3,580 AUD
$2,515 USD
View
Most Expensive
B
MOH London
1503915345 · Oct 26
$4,375 AUD
£2,420 GBP
View
14 more retailers have this diamond
Prices start from $894 AUDSave up to $3,481 AUD

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
$894 AUD