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Round|Lab Grown|IGI

3.08ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG735588301

Shape and cutting style on the report: Round brilliant

Certificate IGI LG735588301

Diamond specifications and retailer prices

From $372 USD
As of November 5, 2026
Save $1,858 USD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,230 USD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG735588301 or 735588301. Listed at 18 retailers as of November 5, 2026, with prices from $372 to $2,230, a $1,858 spread on the same certified stone. Brilliant Earth lists it at $2,230. 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

3.08
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735588301
Dimensions9.32 × 9.35 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.32 mm9.35 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735588301
Side View
Table 56.0%Crown 33.7°Girdle: MediumPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $2,230 USD|Low: $364 USD|High: $2,230 USD|Avg: $980 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 6, 2026
Retailer 6$372 USD
Retailer 9$425 USD
Retailer 16$432 USD
Retailer 4$461 USD
Retailer 5$461 USD
Retailer 14$610 USD
Retailer 8$620 USD
Retailer 13$742 USD
Retailer 2$823 USD
Retailer 3$852 USD
Retailer 17$960 USD
Retailer 15$1,136 USD
Retailer 12$1,353 USD
Retailer 7$1,483 USD
Retailer 11$1,770 USD
Retailer 10$1,798 USD
Brilliant Earth$2,230 USD

44 data points across 17 retailers

18 retailers$372 USD to $2,230 USD

A
Cheapest Retailer
-
$372 USD
A
Retailer 2
-
$425 USD
View
Final sale: no returns
A
Retailer 3
-
$432 USD
View
A
Retailer 4
-
$461 USD
View
Retailer 5
-
$461 USD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$610 USD
View
B+
Retailer 7
-
$620 USD
View
A
Retailer 8
-
$742 USD
View
A
Retailer 9
-
$823 USD
View
A
Retailer 10
-
$852 USD
View
B+
Retailer 11
-
$960 USD
View
B+
Retailer 12
-
$1,136 USD
View
B+
Retailer 13
-
$1,173 USD
View
B+
Retailer 14
-
$1,353 USD
View
B+
Retailer 15
-
$1,483 USD
View
B
Retailer 16
-
$1,770 USD
View
B
Retailer 17
-
$1,798 USD
View
Most Expensive
B
Brilliant Earth
15921516A · Nov 5
$2,230 USD
View
17 more retailers have this diamond
Prices start from $372 USDSave up to $1,858 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
3.08ct Round
$372 USD