Oval|Lab Grown|IGI

1.58ct D SI1 Oval Lab Grown Diamond

ID • D/SI1 • IGI LG843611476

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG843611476

Diamond specifications and retailer prices

From €265 EUR
£233 GBP
As of October 30, 2026
Save €692 EUR (72%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €984 EUR at Michael Trio · As of October 13, 2026
View at Michael Trio

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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG843611476 or 843611476. Listed at 8 retailers as of October 29, 2026, with a 261% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843611476
Dimensions9.65 × 6.58 × 4.04 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.65 mm6.58 mm1.58 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843611476
Side View
Table 56.0%Crown 32.2°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

Caratlytics Score

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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: €984 EUR|Low: €264 EUR|High: €984 EUR|Avg: €562 EUR
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 4€265 EUR
Retailer 8€320 EUR
Retailer 2€399 EUR
Retailer 3€440 EUR
Retailer 6€480 EUR
Retailer 7€766 EUR
Retailer 5€957 EUR
Michael Trio€984 EUR

18 data points across 8 retailers

8 retailers€265 EUR to €957 EUR

A
Cheapest Retailer
-
€265 EUR
£233 GBP
B+
Retailer 2
-
€320 EUR
$358 USD
View
A
Retailer 3
-
€399 EUR
View
A
Retailer 4
-
€440 EUR
£387 GBP
View
A
Retailer 5
-
€480 EUR
$536 USD
View
B+
Retailer 6
-
€766 EUR
$856 USD
View
B
Retailer 7
-
€957 EUR
£842 GBP
View
Most Expensive
Michael Trio
1849293169 · Oct 13
€984 EUR
SGD 1,485 SGD
View
Price last confirmed 18 days ago
7 more retailers have this diamond
Prices start from €265 EURSave up to €692 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
€265 EUR