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Round|Lab Grown|IGI

1.58ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG815643990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815643990

Diamond specifications and retailer prices

From €310 EUR
$348 USD
As of November 1, 2026
Save €3,060 EUR (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: €3,370 EUR at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815643990 or 815643990. Listed at 24 retailers as of November 1, 2026, with prices from €310 to €3,370, a €3,060 spread on the same certified stone. Brilliant Earth lists it at €3,370. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815643990
Dimensions7.53 × 7.51 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm7.51 mm1.58 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815643990
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

Caratlytics Score

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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: Nov 1
Current: €3,370 EUR|Low: €301 EUR|High: €3,370 EUR|Avg: €1,040 EUR
Brilliant Earth
Retailer 2
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Retailer 22
November 2, 2026
Retailer 21€310 EUR
Retailer 10€360 EUR
Retailer 3€385 EUR
Retailer 14€385 EUR
Retailer 22€517 EUR
Retailer 20€522 EUR
Retailer 13€546 EUR
Retailer 2€608 EUR
Retailer 5€614 EUR
Retailer 16€663 EUR
Retailer 17€684 EUR
Retailer 6€838 EUR
Retailer 19€893 EUR
Retailer 18€899 EUR
Retailer 7€1,237 EUR
Retailer 8€1,250 EUR
Retailer 12€1,274 EUR
Retailer 9€1,453 EUR
Retailer 4€1,505 EUR
Retailer 11€1,668 EUR
Retailer 15€1,756 EUR
Brilliant Earth€3,370 EUR

33 data points across 22 retailers

24 retailers€310 EUR to €3,370 EUR

A
Cheapest Retailer
-
€310 EUR
$348 USD
A
Retailer 2
-
€360 EUR
$404 USD
View
A
Retailer 3
-
€385 EUR
$432 USD
View
Retailer 4
-
€385 EUR
$432 USD
View
Price last confirmed 8 days ago
A
Retailer 5
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€434 EUR
HK$3,800 HKD
View
A
Retailer 6
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€517 EUR
$580 USD
View
A
Retailer 7
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€522 EUR
$585 USD
View
A
Retailer 8
-
€546 EUR
£482 GBP
View
A
Retailer 9
-
€608 EUR
View
A
Retailer 10
-
€614 EUR
$689 USD
View
A
Retailer 11
-
€663 EUR
ZAR 12,021 ZAR
View
A
Retailer 12
-
€684 EUR
£604 GBP
View
B+
Retailer 13
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€838 EUR
$940 USD
View
B+
Retailer 14
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€893 EUR
A$1,541 AUD
View
B+
Retailer 15
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€899 EUR
$1,008 USD
View
B+
Retailer 16
-
€1,237 EUR
$1,387 USD
View
B
Retailer 17
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€1,250 EUR
SGD 1,894 SGD
View
B
Retailer 18
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€1,274 EUR
$1,429 USD
View
B
Retailer 19
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€1,369 EUR
$1,535 USD
View
B
Retailer 20
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€1,453 EUR
$1,630 USD
View
Retailer 21
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€1,505 EUR
£1,329 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
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€1,668 EUR
$1,871 USD
View
Retailer 23
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€1,756 EUR
$1,970 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20763342A · Nov 2
€3,370 EUR
$3,780 USD
View
23 more retailers have this diamond
Prices start from €310 EURSave up to €3,060 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
€310 EUR