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Round|Lab Grown|IGI

1.58ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG747511658

Shape and cutting style on the report: Round brilliant

Certificate IGI LG747511658

Diamond specifications and retailer prices

From €233 EUR
$260 USD
As of October 25, 2026
Save €699 EUR (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €932 EUR at MOH London · As of October 26, 2026
View at MOH London

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG747511658 or 747511658. Listed at 12 retailers as of October 25, 2026, with prices from €233 to €932, a €699 spread on the same certified stone. MOH London lists it at €932. 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
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG747511658
Dimensions7.51 × 7.45 × 4.58 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.51 mm7.45 mm1.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG747511658
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.2%

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 25
Current: €932 EUR|Low: €233 EUR|High: €942 EUR|Avg: €550 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 7€233 EUR
Retailer 3€384 EUR
Retailer 8€399 EUR
Retailer 2€428 EUR
Retailer 9€464 EUR
Retailer 5€603 EUR
Retailer 4€644 EUR
Retailer 6€806 EUR
MOH London€932 EUR

43 data points across 9 retailers

12 retailers€233 EUR to €932 EUR

A
Cheapest Retailer
-
€233 EUR
$260 USD
A
Retailer 2
-
€384 EUR
View
B+
Retailer 3
-
€399 EUR
$446 USD
View
A
Retailer 4
-
€428 EUR
£376 GBP
View
A
Retailer 5
-
€442 EUR
$494 USD
View
B+
Retailer 6
-
€464 EUR
$518 USD
View
B+
Retailer 7
-
€603 EUR
$674 USD
View
B+
Retailer 8
-
€644 EUR
$720 USD
View
Retailer 9
-
€653 EUR
$730 USD
View
Price last confirmed 14 days ago
B
Retailer 10
-
€794 EUR
$887 USD
View
B
Retailer 11
-
€806 EUR
$900 USD
View
Most Expensive
B
MOH London
LG747511658 · Oct 26
€932 EUR
£820 GBP
View
11 more retailers have this diamond
Prices start from €233 EURSave up to €699 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 Round
€233 EUR