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Marquise|Lab Grown|IGI

3.05ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG819619460

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG819619460

Diamond specifications and retailer prices

From $2,792 AUD
$1,961 USD
As of October 30, 2026
Save $9,058 AUD (76%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $14,556 AUD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.05ct lab-grown marquise diamond

This 3.05ct 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 LG819619460 or 819619460. Listed at 25 retailers as of October 30, 2026, with a 324% 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

3.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819619460
Dimensions15.23 × 7.45 × 4.69 mm
L/W Ratio2.04
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.23 mm7.45 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819619460
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.0%

Caratlytics Score

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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 30
Current: $14,556 AUD|Low: $2,792 AUD|High: $15,594 AUD|Avg: $8,258 AUD|-6.7%
Novita Diamonds
Retailer 2
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 23
October 31, 2026
Retailer 14$2,792 AUD
Retailer 7$3,038 AUD
Retailer 6$3,128 AUD
Retailer 18$3,239 AUD
Retailer 20$3,431 AUD
Retailer 22$3,434 AUD
Retailer 5$4,452 AUD
Retailer 13$4,455 AUD
Retailer 3$4,699 AUD
Retailer 19$5,132 AUD
Retailer 2$5,319 AUD
Retailer 10$6,140 AUD
Retailer 15$6,314 AUD
Retailer 17$7,521 AUD
Retailer 11$8,728 AUD
Retailer 8$8,962 AUD
Retailer 21$9,300 AUD
Retailer 9$9,701 AUD
Retailer 16$9,991 AUD
Retailer 4$10,848 AUD
Retailer 12$11,338 AUD
Retailer 23$11,850 AUD
Novita Diamonds$14,556 AUD

35 data points across 23 retailers

25 retailers$2,792 AUD to $11,850 AUD

A
Cheapest Retailer
-
$2,792 AUD
$1,961 USD
A
Retailer 2
-
$3,038 AUD
$2,134 USD
View
A
Retailer 3
-
$3,128 AUD
$2,197 USD
View
Final sale: no returns
A
Retailer 4
-
$3,239 AUD
$2,275 USD
View
A
Retailer 5
-
$3,431 AUD
$2,410 USD
View
A
Retailer 6
-
$3,434 AUD
$2,412 USD
View
Retailer 7
-
$4,417 AUD
$3,103 USD
View
Price last confirmed 18 days ago
A
Retailer 8
-
$4,452 AUD
$3,127 USD
View
A
Retailer 9
-
$4,455 AUD
£2,464 GBP
View
A
Retailer 10
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$4,699 AUD
$3,301 USD
View
A
Retailer 11
-
$5,132 AUD
€3,433 EUR
View
A
Retailer 12
-
$5,319 AUD
$3,736 USD
View
A
Retailer 13
-
$6,140 AUD
£3,396 GBP
View
A
Retailer 14
-
$6,314 AUD
$4,435 USD
View
A
Retailer 15
-
$7,521 AUD
ZAR 85,351 ZAR
View
A
Retailer 16
-
$8,355 AUD
$5,869 USD
View
B+
Retailer 17
-
$8,728 AUD
$6,131 USD
View
B+
Retailer 18
-
$8,962 AUD
$6,295 USD
View
B+
Retailer 19
-
$9,300 AUD
£5,144 GBP
View
B+
Retailer 20
-
$9,701 AUD
$6,814 USD
View
Retailer 21
-
$9,991 AUD
View
Price last confirmed 8 days ago
B+
Retailer 22
-
$10,848 AUD
$7,620 USD
View
B+
Retailer 23
-
$11,338 AUD
$7,965 USD
View
B+
Retailer 24
-
$11,850 AUD
$8,324 USD
View
Most Expensive
Novita Diamonds
cert_819619460 · Oct 8
$14,556 AUD
View
Price last confirmed 22 days ago
24 more retailers have this diamond
Prices start from $2,792 AUDSave up to $9,058 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
3.05ct Marquise
$2,792 AUD