Emerald|Lab Grown|GCAL

1.09ct G SI1 Emerald Lab Grown Diamond

EX • G/SI1 • GCAL 310810364

Shape and cutting style on the report: Emerald step

Certificate GCAL 310810364

Diamond specifications and retailer prices

From €128 EUR
$143 USD
As of October 30, 2026
Save €693 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €821 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 1.09ct lab-grown emerald diamond

This 1.09ct lab-grown emerald sits in the classic one-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GCAL 310810364. Listed at 12 retailers as of October 30, 2026, with prices from €128 to €821, a €693 spread on the same certified stone. MOH London lists it at €821. 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

1.09
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGCAL
CertificateGCAL 310810364
Dimensions6.90 × 5.08 × 3.30 mm
L/W Ratio1.36
Culet sizeNone
Top View
6.90 mm5.08 mm1.09 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGCAL 310810364
Side View
Table 58.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 65.0%

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 30
Current: €821 EUR|Low: €114 EUR|High: €825 EUR|Avg: €422 EUR|+7.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 10€128 EUR
Retailer 6€159 EUR
Retailer 7€237 EUR
Retailer 2€269 EUR
Retailer 3€401 EUR
Retailer 4€466 EUR
Retailer 5€550 EUR
Retailer 9€564 EUR
Retailer 8€720 EUR
MOH London€821 EUR

43 data points across 10 retailers

12 retailers€128 EUR to €821 EUR

Retailer 1
-
€119 EUR
$133 USD
Price last confirmed 39 days ago
A
Retailer 2
-
€128 EUR
$143 USD
View
Retailer 3
-
€145 EUR
$162 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
€159 EUR
$178 USD
View
B+
Retailer 5
-
€237 EUR
$265 USD
View
A
Retailer 6
-
€269 EUR
£236 GBP
View
B+
Retailer 7
-
€401 EUR
£353 GBP
View
B+
Retailer 8
-
€466 EUR
CA$724 CAD
View
B+
Retailer 9
-
€550 EUR
$615 USD
View
B+
Retailer 10
-
€564 EUR
$630 USD
View
B
Retailer 11
-
€720 EUR
$804 USD
View
Most Expensive
B
MOH London
310810364 · Nov 1
€821 EUR
£722 GBP
View
11 more retailers have this diamond
Prices start from €128 EURSave up to €693 EUR

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
1.09ct Emerald
€128 EUR