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Oval|Lab Grown|IGI

4.05ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG741502949

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG741502949

Diamond specifications and retailer prices

From $1,651 AUD
$1,160 USD
As of October 31, 2026
Save $3,660 AUD (69%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,311 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 4.05ct lab-grown oval diamond

This 4.05ct 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 LG741502949 or 741502949. Listed at 10 retailers as of October 30, 2026, with prices from $1,651 to $5,311, a $3,660 spread on the same certified stone. Taylor and Hart lists it at $5,311. 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

4.05
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.2°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG741502949
Dimensions12.94 × 8.93 × 5.50 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.94 mm8.93 mm4.05 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG741502949
Side View
Table 60.0%Crown 32.2°Girdle: MED-STKPavilion 40°Culet: NoneDepth 61.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $2,293 AUD|Low: $1,085 AUD|High: $5,311 AUD|Avg: $3,149 AUD|+22.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 9$1,085 AUD
Retailer 6$1,651 AUD
Retailer 5$2,175 AUD
Retailer 1$2,293 AUD
Retailer 12$2,982 AUD
Retailer 11$3,209 AUD
Retailer 3$3,377 AUD
Retailer 4$3,472 AUD
Retailer 10$3,538 AUD
Retailer 2$3,811 AUD
Retailer 7$5,079 AUD
Retailer 8$5,290 AUD
Taylor and Hart$5,311 AUD

17 data points across 13 retailers

10 retailers$1,651 AUD to $5,311 AUD

Retailer 1
-
$1,085 AUD
$762 USD
Price last confirmed 18 days ago
B+
Retailer 2
-
$1,651 AUD
$1,160 USD
View
B+
Retailer 3
-
$2,175 AUD
$1,528 USD
View
B
Retailer 4
-
$2,293 AUD
£1,269 GBP
View
B
Retailer 5
-
$2,982 AUD
$2,095 USD
View
B
Retailer 6
-
$3,209 AUD
$2,254 USD
View
Retailer 7
-
$3,538 AUD
$2,485 USD
View
Price last confirmed 23 days ago
B
Retailer 8
-
$5,079 AUD
£2,809 GBP
View
B
Retailer 9
-
$5,290 AUD
SGD 5,022 SGD
View
Most Expensive
B
Taylor and Hart
97U8480 · Oct 30
$5,311 AUD
$3,731 USD
View
9 more retailers have this diamond
Prices start from $1,651 AUDSave up to $3,660 AUD

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.

B+
4.05ct Oval
$1,651 AUD