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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 $1,114 NZD
$628 USD
As of October 27, 2026
Save $4,339 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,453 NZD 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 $1,114 to $5,453, a $4,339 spread on the same certified stone. MOH London lists it at $5,453. 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: $5,453 NZD|Low: $1,070 NZD|High: $5,509 NZD|Avg: $2,059 NZD|-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$1,114 NZD
Retailer 7$1,212 NZD
Retailer 5$1,247 NZD
Retailer 10$1,292 NZD
Retailer 11$1,292 NZD
Retailer 13$1,597 NZD
Retailer 2$1,697 NZD
Retailer 4$1,845 NZD
Retailer 6$1,996 NZD
Retailer 3$2,113 NZD
Retailer 12$3,302 NZD
Retailer 9$3,634 NZD
MOH London$5,453 NZD

36 data points across 13 retailers

15 retailers$1,114 NZD to $5,453 NZD

A
Cheapest Retailer
-
$1,114 NZD
$628 USD
A
Retailer 2
-
$1,212 NZD
$683 USD
View
A
Retailer 3
-
$1,247 NZD
$703 USD
View
Final sale: no returns
Retailer 4
-
$1,292 NZD
$728 USD
View
Price last confirmed 11 days ago
Retailer 5
-
$1,292 NZD
$728 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,597 NZD
$900 USD
View
A
Retailer 7
-
$1,697 NZD
£753 GBP
View
B+
Retailer 8
-
$1,845 NZD
$1,040 USD
View
B+
Retailer 9
-
$1,996 NZD
£886 GBP
View
B+
Retailer 10
-
$2,113 NZD
$1,191 USD
View
Retailer 11
-
$3,302 NZD
$1,861 USD
View
Price last confirmed 11 days ago
Retailer 12
-
$3,634 NZD
$2,048 USD
View
Price last confirmed 12 days ago
B
Retailer 13
-
$4,013 NZD
$2,262 USD
View
B
Retailer 14
-
$4,462 NZD
$2,515 USD
View
Most Expensive
B
MOH London
1503915345 · Oct 26
$5,453 NZD
£2,420 GBP
View
14 more retailers have this diamond
Prices start from $1,114 NZDSave up to $4,339 NZD

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
$1,114 NZD