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Emerald|Lab Grown|IGI

1.70ct I SI1 Emerald Lab Grown Diamond

ID • I/SI1 • IGI LG440012310

Shape and cutting style on the report: Emerald cut

Certificate IGI LG440012310

Diamond specifications and retailer prices

From €859 EUR
$960 USD
As of October 31, 2026
Save €3,508 EUR (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,367 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown emerald diamond

This 1.7ct lab-grown emerald sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG440012310 or 440012310. Listed at 11 retailers as of October 29, 2026, with prices from €859 to €4,367, a €3,508 spread on the same certified stone. MOH London lists it at €4,367. 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

1.70
Carat
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle18°
Pavilion angle43.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440012310
Dimensions7.93 × 5.62 × 3.86 mm
L/W Ratio1.41
Culet sizeLong
Cert comments
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Top View
7.93 mm5.62 mm1.70 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440012310
Side View
Table 59.0%Crown 18°Girdle: MED-STKPavilion 43.5°Culet: LNGDepth 68.7%

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 31
Current: €4,367 EUR|Low: €859 EUR|High: €4,396 EUR|Avg: €2,196 EUR|+0.5%
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
Retailer 14
October 30, 2026
Retailer 2€859 EUR
Retailer 7€1,311 EUR
Retailer 12€1,427 EUR
Retailer 13€1,467 EUR
Retailer 8€1,521 EUR
Retailer 11€1,521 EUR
Retailer 14€1,674 EUR
Retailer 6€1,687 EUR
Retailer 4€2,070 EUR
Retailer 9€2,398 EUR
Retailer 3€2,760 EUR
Retailer 10€2,851 EUR
Retailer 5€4,355 EUR
MOH London€4,367 EUR

17 data points across 14 retailers

11 retailers€859 EUR to €4,367 EUR

A
Cheapest Retailer
-
€859 EUR
$960 USD
B+
Retailer 2
-
€1,311 EUR
$1,465 USD
View
B
Retailer 3
-
€1,427 EUR
$1,594 USD
View
B
Retailer 4
-
€1,467 EUR
$1,639 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,521 EUR
$1,699 USD
View
Retailer 6
-
€1,521 EUR
$1,699 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€1,674 EUR
$1,870 USD
View
B
Retailer 8
-
€2,398 EUR
$2,679 USD
View
B
Retailer 9
-
€2,760 EUR
$3,084 USD
View
B
Retailer 10
-
€2,851 EUR
$3,185 USD
View
Most Expensive
B
MOH London
LG440012310 · Oct 29
€4,367 EUR
£3,842 GBP
View
10 more retailers have this diamond
Prices start from €859 EURSave up to €3,508 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
1.70ct Emerald
€859 EUR