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Marquise|Lab Grown|IGI

3.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG834612715

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG834612715

Diamond specifications and retailer prices

From $3,799 AUD
£2,101 GBP
As of October 29, 2026
Save $5,643 AUD (60%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $13,729 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.03ct lab-grown marquise diamond

This 3.03ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG834612715 or 834612715. Listed at 7 retailers as of October 27, 2026, with a 149% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612715
Dimensions15.04 × 7.68 × 4.36 mm
L/W Ratio1.96
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.04 mm7.68 mm3.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612715
Side View
Table 61.0%Crown 32.8°Girdle: STK-THKPavilion 36.2°Culet: NoneDepth 56.8%

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 29
Current: $13,729 AUD|Low: $3,787 AUD|High: $14,961 AUD|Avg: $7,226 AUD|-7.9%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 2$3,799 AUD
Retailer 5$3,843 AUD
Retailer 4$4,231 AUD
Retailer 6$4,494 AUD
Retailer 3$7,721 AUD
Retailer 7$9,442 AUD
Novita Diamonds$13,729 AUD

38 data points across 7 retailers

7 retailers$3,799 AUD to $9,442 AUD

A
Cheapest Retailer
-
$3,799 AUD
£2,101 GBP
A
Retailer 2
-
$3,843 AUD
$2,700 USD
View
A
Retailer 3
-
$4,231 AUD
€2,831 EUR
View
A
Retailer 4
-
$4,494 AUD
$3,157 USD
View
A
Retailer 5
-
$7,721 AUD
£4,271 GBP
View
B+
Retailer 6
-
$9,442 AUD
$6,633 USD
View
Most Expensive
Novita Diamonds
cert_834612715 · Oct 8
$13,729 AUD
View
Price last confirmed 21 days ago
6 more retailers have this diamond
Prices start from $3,799 AUDSave up to $5,643 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
3.03ct Marquise
$3,799 AUD