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Oval|Lab Grown|IGI

1.58ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG818680998

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818680998

Diamond specifications and retailer prices

From €252 EUR
HK$2,200 HKD
As of October 29, 2026
Save €676 EUR (73%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €928 EUR at MOH London · As of October 29, 2026
View at MOH London

About this 1.58ct lab-grown oval diamond

This 1.58ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG818680998 or 818680998. Listed at 6 retailers as of October 29, 2026, with prices from €252 to €928, a €676 spread on the same certified stone. MOH London lists it at €928. 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

1.58
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818680998
Dimensions9.44 × 6.53 × 3.97 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.44 mm6.53 mm1.58 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818680998
Side View
Table 61.0%Crown 34.1°Girdle: Slightly ThickPavilion 39.9°Culet: NoneDepth 60.8%

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 29
Current: €928 EUR|Low: €252 EUR|High: €934 EUR|Avg: €453 EUR|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 30, 2026
Retailer 7€252 EUR
Retailer 4€313 EUR
Retailer 3€402 EUR
Retailer 2€425 EUR
Retailer 6€441 EUR
Retailer 5€462 EUR
MOH London€928 EUR

42 data points across 7 retailers

6 retailers€252 EUR to €928 EUR

A
Cheapest Retailer
-
€252 EUR
HK$2,200 HKD
B+
Retailer 2
-
€313 EUR
$350 USD
View
A
Retailer 3
-
€425 EUR
£373 GBP
View
A
Retailer 4
-
€441 EUR
$493 USD
View
A
Retailer 5
-
€462 EUR
$516 USD
View
Most Expensive
B
MOH London
LG818680998 · Oct 29
€928 EUR
£816 GBP
View
5 more retailers have this diamond
Prices start from €252 EURSave up to €676 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
1.58ct Oval
€252 EUR