CaratHunter
Plans
Round|Lab Grown|IGI

3.58ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG591375823

Shape and cutting style on the report: Round brilliant

Certificate IGI LG591375823

Diamond specifications and retailer prices

From $412 USD
As of October 26, 2026
Save $3,248 USD (89%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,660 USD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 3.58ct lab-grown round diamond

This 3.58ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG591375823 or 591375823. Listed at 10 retailers as of October 26, 2026, with prices from $412 to $3,660, a $3,248 spread on the same certified stone. Do Amore Diamonds lists it at $3,660. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG591375823
Dimensions9.87 × 9.82 × 6.04 mm
L/W Ratio1.01
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
9.87 mm9.82 mm3.58 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG591375823
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.3%

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 26
Current: $3,660 USD|Low: $412 USD|High: $3,790 USD|Avg: $1,513 USD|-3.4%
Do Amore Diamonds
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 29, 2026
Retailer 12$412 USD
Retailer 7$462 USD
Retailer 10$808 USD
Retailer 6$810 USD
Retailer 5$1,002 USD
Retailer 3$1,028 USD
Retailer 4$1,061 USD
Retailer 11$1,305 USD
Retailer 8$1,433 USD
Retailer 9$1,813 USD
Retailer 2$2,083 USD
Retailer 13$2,480 USD
Do Amore Diamonds$3,660 USD

22 data points across 13 retailers

10 retailers$412 USD to $3,660 USD

A
Cheapest Retailer
-
$412 USD
A
Retailer 2
-
$462 USD
View
B+
Retailer 3
-
$808 USD
View
A
Retailer 4
-
$810 USD
View
B+
Retailer 5
-
$1,305 USD
View
B
Retailer 6
-
$1,433 USD
View
B
Retailer 7
-
$1,813 USD
View
B
Retailer 8
-
$2,083 USD
£1,640 GBP
View
B
Retailer 9
-
$2,480 USD
View
Most Expensive
B
Do Amore Diamonds
27-4662990B2 · Oct 29
$3,660 USD
View
9 more retailers have this diamond
Prices start from $412 USDSave up to $3,248 USD

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
$412 USD