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Oval|Lab Grown|IGI

3.00ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG818630594

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818630594

Diamond specifications and retailer prices

From $412 USD
As of October 31, 2026
Save $3,958 USD (91%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $4,370 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3ct lab-grown oval diamond

This 3ct lab-grown oval 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 LG818630594 or 818630594. Listed at 14 retailers as of October 31, 2026, with prices from $412 to $4,370, a $3,958 spread on the same certified stone. Brilliant Earth lists it at $4,370. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818630594
Dimensions12.02 × 7.80 × 4.98 mm
L/W Ratio1.54
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.02 mm7.80 mm3.00 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818630594
Side View
Table 58.0%Crown 39.4°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 63.8%

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 31
Current: $4,370 USD|Low: $293 USD|High: $4,370 USD|Avg: $1,157 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 1, 2026
Retailer 11$412 USD
Retailer 3$456 USD
Retailer 2$558 USD
Retailer 7$605 USD
Retailer 10$612 USD
Retailer 5$718 USD
Retailer 4$823 USD
Retailer 8$1,337 USD
Retailer 9$1,729 USD
Retailer 6$1,791 USD
Brilliant Earth$4,370 USD

41 data points across 11 retailers

14 retailers$412 USD to $4,370 USD

Retailer 1
-
$368 USD
Price last confirmed 40 days ago
A
Retailer 2
-
$412 USD
View
Final sale: no returns
Retailer 3
-
$450 USD
View
Price last confirmed 39 days ago
A
Retailer 4
-
$558 USD
£440 GBP
View
A
Retailer 5
-
$605 USD
View
B+
Retailer 6
-
$612 USD
View
A
Retailer 7
-
$718 USD
€684 EUR
View
A
Retailer 8
-
$823 USD
£648 GBP
View
A
Retailer 9
-
$972 USD
View
B+
Retailer 10
-
$1,337 USD
View
B+
Retailer 11
-
$1,505 USD
View
B+
Retailer 12
-
$1,729 USD
View
B+
Retailer 13
-
$1,791 USD
£1,410 GBP
View
Most Expensive
B
Brilliant Earth
20907018A · Oct 31
$4,370 USD
View
13 more retailers have this diamond
Prices start from $412 USDSave up to $3,958 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 Oval
$412 USD