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Marquise|Lab Grown|IGI

3.03ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG752595431

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG752595431

Diamond specifications and retailer prices

From $2,769 AUD
$1,945 USD
As of October 30, 2026
Save $8,475 AUD (75%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $14,932 AUD at Novita Diamonds · As of September 29, 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 LG752595431 or 752595431. Listed at 25 retailers as of October 30, 2026, with a 306% 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 angle38.6°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG752595431
Dimensions14.76 × 7.00 × 14.76 mm
L/W Ratio2.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.76 mm7.00 mm3.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG752595431
Side View
Table 59.0%Crown 38.6°Girdle: THK-VTKPavilion 37.9°Culet: NoneDepth 66.1%

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 30
Current: $4,417 AUD|Low: $3,099 AUD|High: $13,564 AUD|Avg: $6,484 AUD|-6.6%
Retailer 1
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 17$3,381 AUD
Retailer 7$3,407 AUD
Retailer 14$3,452 AUD
Retailer 6$3,699 AUD
Retailer 11$3,759 AUD
Retailer 1$4,417 AUD
Retailer 16$4,591 AUD
Retailer 4$4,644 AUD
Retailer 3$4,809 AUD
Retailer 15$5,067 AUD
Retailer 5$6,096 AUD
Retailer 18$7,264 AUD
Retailer 12$7,457 AUD
Retailer 19$8,283 AUD
Retailer 13$9,221 AUD
Retailer 8$9,625 AUD
Retailer 9$10,722 AUD
Retailer 2$10,777 AUD
Retailer 10$11,244 AUD

32 data points across 19 retailers

25 retailers$2,769 AUD to $11,244 AUD

A
Cheapest Retailer
-
$2,769 AUD
$1,945 USD
Retailer 2
-
$3,172 AUD
$2,228 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$3,212 AUD
$2,256 USD
View
Retailer 4
-
$3,335 AUD
$2,343 USD
View
Price last confirmed 32 days ago
A
Retailer 5
-
$3,381 AUD
$2,375 USD
View
Final sale: no returns
A
Retailer 6
-
$3,407 AUD
$2,393 USD
View
A
Retailer 7
-
$3,452 AUD
$2,425 USD
View
A
Retailer 8
-
$3,699 AUD
HK$20,300 HKD
View
Retailer 9
-
$3,759 AUD
£2,079 GBP
View
Price last confirmed 31 days ago
A
Retailer 10
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$4,415 AUD
$3,101 USD
View
A
Retailer 11
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$4,417 AUD
£2,443 GBP
View
A
Retailer 12
-
$4,591 AUD
$3,225 USD
View
A
Retailer 13
-
$4,644 AUD
$3,262 USD
View
A
Retailer 14
-
$4,809 AUD
$3,378 USD
View
A
Retailer 15
-
$5,067 AUD
€3,390 EUR
View
A
Retailer 16
-
$6,096 AUD
£3,372 GBP
View
Retailer 17
-
$7,264 AUD
View
Price last confirmed 8 days ago
A
Retailer 18
-
$7,457 AUD
ZAR 84,628 ZAR
View
A
Retailer 19
-
$8,283 AUD
$5,818 USD
View
B+
Retailer 20
-
$9,221 AUD
£5,100 GBP
View
B+
Retailer 21
-
$9,625 AUD
$6,761 USD
View
B+
Retailer 22
-
$10,722 AUD
SGD 10,178 SGD
View
B+
Retailer 23
-
$10,777 AUD
$7,570 USD
View
B+
Retailer 24
-
$11,244 AUD
$7,898 USD
View
Most Expensive
Novita Diamonds
cert_752595431 · Sep 29
$14,932 AUD
View
Price last confirmed 32 days ago
24 more retailers have this diamond
Prices start from $2,769 AUDSave up to $8,475 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
$2,769 AUD