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Oval|Lab Grown|IGI

3.00ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG821666557

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG821666557

Diamond specifications and retailer prices

From $588 AUD
$413 USD
As of October 29, 2026
Save $2,104 AUD (78%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,692 AUD at MOH London · As of October 29, 2026
View at MOH London

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 LG821666557 or 821666557. Listed at 16 retailers as of October 29, 2026, with prices from $588 to $2,692, a $2,104 spread on the same certified stone. MOH London lists it at $2,692. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821666557
Dimensions11.63 × 8.05 × 5.04 mm
L/W Ratio1.44
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.63 mm8.05 mm3.00 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821666557
Side View
Table 59.0%Crown 36°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.6%

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 29
Current: $2,692 AUD|Low: $564 AUD|High: $2,710 AUD|Avg: $1,269 AUD|-0.5%
MOH London
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
October 30, 2026
Retailer 10$588 AUD
Retailer 4$658 AUD
Retailer 12$658 AUD
Retailer 6$729 AUD
Retailer 13$729 AUD
Retailer 8$897 AUD
Retailer 7$940 AUD
Retailer 14$1,150 AUD
Retailer 5$1,157 AUD
Retailer 2$1,200 AUD
Retailer 9$2,044 AUD
Retailer 3$2,343 AUD
Retailer 11$2,667 AUD
MOH London$2,692 AUD

41 data points across 14 retailers

16 retailers$588 AUD to $2,692 AUD

A
Cheapest Retailer
-
$588 AUD
$413 USD
A
Retailer 2
-
$658 AUD
$462 USD
View
A
Retailer 3
-
$658 AUD
$462 USD
View
Final sale: no returns
A
Retailer 4
-
$729 AUD
$512 USD
View
A
Retailer 5
-
$729 AUD
$512 USD
View
Retailer 6
-
$897 AUD
£496 GBP
View
Price last confirmed 14 days ago
A
Retailer 7
-
$940 AUD
$660 USD
View
B+
Retailer 8
-
$1,150 AUD
$808 USD
View
A
Retailer 9
-
$1,157 AUD
$813 USD
View
A
Retailer 10
-
$1,200 AUD
£663 GBP
View
B+
Retailer 11
-
$1,407 AUD
$988 USD
View
B
Retailer 12
-
$2,044 AUD
$1,436 USD
View
B+
Retailer 13
-
$2,343 AUD
$1,646 USD
View
B+
Retailer 14
-
$2,392 AUD
$1,680 USD
View
B
Retailer 15
-
$2,667 AUD
$1,873 USD
View
Most Expensive
B
MOH London
LG821666557 · Oct 29
$2,692 AUD
£1,489 GBP
View
15 more retailers have this diamond
Prices start from $588 AUDSave up to $2,104 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.

A
3.00ct Oval
$588 AUD