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Round|Lab Grown|IGI

1.58ct I SI2 Round Lab Grown Diamond

EX • I/SI2 • IGI LG480168615

Shape and cutting style on the report: Round brilliant

Certificate IGI LG480168615

Diamond specifications and retailer prices

From €779 EUR
$870 USD
As of October 31, 2026
Save €3,553 EUR (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €4,332 EUR at MOH London · As of October 29, 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 I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG480168615 or 480168615. Listed at 10 retailers as of October 29, 2026, with prices from €779 to €4,332, a €3,553 spread on the same certified stone. MOH London lists it at €4,332. 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
I
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.1°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG480168615
Dimensions7.58 × 7.56 × 4.48 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.58 mm7.56 mm1.58 ctI / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG480168615
Side View
Table 59.0%Crown 32.1°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 59.2%

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: €4,332 EUR|Low: €779 EUR|High: €4,366 EUR|Avg: €1,897 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
October 30, 2026
Retailer 2€779 EUR
Retailer 6€1,156 EUR
Retailer 10€1,258 EUR
Retailer 9€1,295 EUR
Retailer 7€1,341 EUR
Retailer 12€1,341 EUR
Retailer 4€1,557 EUR
Retailer 3€1,853 EUR
Retailer 8€2,122 EUR
Retailer 13€2,500 EUR
Retailer 11€2,513 EUR
Retailer 5€3,002 EUR
MOH London€4,332 EUR

17 data points across 13 retailers

10 retailers€779 EUR to €4,332 EUR

A
Cheapest Retailer
-
€779 EUR
$870 USD
B+
Retailer 2
-
€1,156 EUR
$1,292 USD
View
B+
Retailer 3
-
€1,258 EUR
$1,405 USD
View
B+
Retailer 4
-
€1,295 EUR
$1,447 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,341 EUR
$1,498 USD
View
Retailer 6
-
€1,341 EUR
$1,498 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€2,122 EUR
$2,371 USD
View
B
Retailer 8
-
€2,500 EUR
$2,793 USD
View
B
Retailer 9
-
€2,513 EUR
$2,808 USD
View
Most Expensive
B
MOH London
LG480168615 · Oct 29
€4,332 EUR
£3,811 GBP
View
9 more retailers have this diamond
Prices start from €779 EURSave up to €3,553 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
€779 EUR