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Round|Lab Grown|IGI

3.58ct G SI1 Round Lab Grown Diamond

ID • G/SI1 • IGI LG627455007

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627455007

Diamond specifications and retailer prices

From €433 EUR
$484 USD
As of October 25, 2026
Save €1,715 EUR (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,148 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.58ct lab-grown round diamond

This 3.58ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627455007 or 627455007. Listed at 17 retailers as of October 25, 2026, with prices from €433 to €2,148, a €1,715 spread on the same certified stone. Brilliant Earth lists it at €2,148. 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

3.58
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627455007
Dimensions9.88 × 9.84 × 6.00 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.88 mm9.84 mm3.58 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627455007
Side View
Table 58.0%Crown 34.2°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 25
Current: €2,148 EUR|Low: €433 EUR|High: €2,220 EUR|Avg: €1,187 EUR|-3.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 8€433 EUR
Retailer 6€564 EUR
Retailer 11€683 EUR
Retailer 12€687 EUR
Retailer 5€716 EUR
Retailer 2€783 EUR
Retailer 3€792 EUR
Retailer 9€1,215 EUR
Retailer 10€1,669 EUR
Retailer 7€1,701 EUR
Retailer 4€2,146 EUR
Brilliant Earth€2,148 EUR

37 data points across 12 retailers

17 retailers€433 EUR to €2,148 EUR

Retailer 1
-
€349 EUR
$390 USD
Price last confirmed 36 days ago
Retailer 2
-
€391 EUR
$437 USD
View
Price last confirmed 38 days ago
Retailer 3
-
€427 EUR
$477 USD
View
Price last confirmed 35 days ago
Retailer 4
-
€433 EUR
$484 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
€433 EUR
$484 USD
View
A
Retailer 6
-
€564 EUR
$630 USD
View
Retailer 7
-
€683 EUR
£600 GBP
View
Price last confirmed 20 days ago
B+
Retailer 8
-
€687 EUR
$768 USD
View
A
Retailer 9
-
€716 EUR
View
A
Retailer 10
-
€783 EUR
£689 GBP
View
A
Retailer 11
-
€792 EUR
$885 USD
View
B+
Retailer 12
-
€1,215 EUR
$1,357 USD
View
Retailer 13
-
€1,392 EUR
$1,555 USD
View
Price last confirmed 34 days ago
Retailer 14
-
€1,669 EUR
$1,865 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
€1,701 EUR
£1,496 GBP
View
B
Retailer 16
-
€2,146 EUR
$2,397 USD
View
Most Expensive
B
Brilliant Earth
10307221A · Oct 31
€2,148 EUR
$2,400 USD
View
16 more retailers have this diamond
Prices start from €433 EURSave up to €1,715 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
3.58ct Round
€433 EUR