CaratHunter
Plans
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 $484 USD
As of October 25, 2026
Save $1,916 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,400 USD 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 $484 to $2,400, a $1,916 spread on the same certified stone. Brilliant Earth lists it at $2,400. 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

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 25
Current: $2,400 USD|Low: $484 USD|High: $2,480 USD|Avg: $1,326 USD|-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$484 USD
Retailer 6$630 USD
Retailer 11$763 USD
Retailer 12$768 USD
Retailer 5$800 USD
Retailer 2$874 USD
Retailer 3$885 USD
Retailer 9$1,357 USD
Retailer 10$1,865 USD
Retailer 7$1,900 USD
Retailer 4$2,397 USD
Brilliant Earth$2,400 USD

37 data points across 12 retailers

17 retailers$484 USD to $2,400 USD

Retailer 1
-
$390 USD
Price last confirmed 36 days ago
Retailer 2
-
$437 USD
View
Price last confirmed 38 days ago
Retailer 3
-
$477 USD
View
Price last confirmed 35 days ago
Retailer 4
-
$484 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$484 USD
View
A
Retailer 6
-
$630 USD
View
Retailer 7
-
$763 USD
£600 GBP
View
Price last confirmed 20 days ago
B+
Retailer 8
-
$768 USD
View
A
Retailer 9
-
$800 USD
€762 EUR
View
A
Retailer 10
-
$874 USD
£689 GBP
View
A
Retailer 11
-
$885 USD
View
B+
Retailer 12
-
$1,357 USD
View
Retailer 13
-
$1,555 USD
View
Price last confirmed 34 days ago
Retailer 14
-
$1,865 USD
View
Price last confirmed 13 days ago
B+
Retailer 15
-
$1,900 USD
£1,496 GBP
View
B
Retailer 16
-
$2,397 USD
View
Most Expensive
B
Brilliant Earth
10307221A · Oct 31
$2,400 USD
View
16 more retailers have this diamond
Prices start from $484 USDSave up to $1,916 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
$484 USD