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Round|Lab Grown|IGI

3.00ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG615341975

Shape and cutting style on the report: Round brilliant

Certificate IGI LG615341975

Diamond specifications and retailer prices

From $675 USD
As of October 31, 2026
Save $3,205 USD (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,880 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3ct lab-grown round diamond

This 3ct 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 LG615341975 or 615341975. Listed at 14 retailers as of October 29, 2026, with prices from $675 to $3,880, a $3,205 spread on the same certified stone. Brilliant Earth lists it at $3,880. 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

3.00
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.9°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615341975
Dimensions9.38 × 9.35 × 5.56 mm
L/W Ratio1.00
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
9.38 mm9.35 mm3.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615341975
Side View
Table 59.0%Crown 32.9°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.4%

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: Oct 31
Current: $3,880 USD|Low: $454 USD|High: $4,000 USD|Avg: $1,236 USD|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 3$454 USD
Retailer 2$675 USD
Retailer 8$714 USD
Retailer 6$770 USD
Retailer 11$837 USD
Retailer 4$875 USD
Retailer 9$906 USD
Retailer 10$937 USD
Retailer 7$1,492 USD
Retailer 5$1,965 USD
Brilliant Earth$3,880 USD

35 data points across 11 retailers

14 retailers$675 USD to $3,880 USD

Retailer 1
-
$366 USD
Price last confirmed 39 days ago
Retailer 2
-
$425 USD
View
Price last confirmed 37 days ago
Retailer 3
-
$448 USD
View
Price last confirmed 33 days ago
A
Retailer 4
-
$675 USD
View
Retailer 5
-
$714 USD
£562 GBP
View
Price last confirmed 14 days ago
A
Retailer 6
-
$770 USD
€733 EUR
View
B+
Retailer 7
-
$837 USD
View
A
Retailer 8
-
$875 USD
£689 GBP
View
B+
Retailer 9
-
$906 USD
View
B+
Retailer 10
-
$937 USD
View
Retailer 11
-
$1,460 USD
View
Price last confirmed 34 days ago
B
Retailer 12
-
$1,492 USD
View
B
Retailer 13
-
$1,965 USD
£1,547 GBP
View
Most Expensive
B
Brilliant Earth
8871637A · Oct 29
$3,880 USD
View
13 more retailers have this diamond
Prices start from $675 USDSave up to $3,205 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
3.00ct Round
$675 USD