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Marquise|Lab Grown|IGI

3.05ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG762544972

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG762544972

Diamond specifications and retailer prices

From $4,547 AUD
$3,194 USD
As of October 31, 2026
Save $18,224 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $22,771 AUD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

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 LG762544972 or 762544972. Listed at 15 retailers as of October 30, 2026, with prices from $4,547 to $22,771, a $18,224 spread on the same certified stone. Taylor and Hart lists it at $22,771. 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 angle36°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG762544972
Dimensions15.11 × 7.40 × 4.73 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type IIa
Top View
15.11 mm7.40 mm3.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG762544972
Side View
Table 58.0%Crown 36°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.9%

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 31
Current: $8,429 AUD|Low: $5,393 AUD|High: $27,873 AUD|Avg: $13,172 AUD|-1.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$5,618 AUD
Retailer 8$8,115 AUD
Retailer 1$8,429 AUD
Retailer 10$9,840 AUD
Retailer 6$10,487 AUD
Retailer 11$12,471 AUD
Retailer 7$13,844 AUD
Retailer 12$14,699 AUD
Retailer 5$14,924 AUD
Retailer 9$16,225 AUD
Retailer 4$17,194 AUD
Retailer 2$27,873 AUD

41 data points across 12 retailers

15 retailers$4,547 AUD to $22,771 AUD

A
Cheapest Retailer
-
$4,547 AUD
$3,194 USD
A
Retailer 2
-
$5,618 AUD
$3,946 USD
View
A
Retailer 3
-
$8,109 AUD
HK$44,500 HKD
View
A
Retailer 4
-
$8,115 AUD
$5,700 USD
View
A
Retailer 5
-
$8,429 AUD
£4,662 GBP
View
B+
Retailer 6
-
$9,840 AUD
$6,912 USD
View
B+
Retailer 7
-
$10,487 AUD
€7,016 EUR
View
B+
Retailer 8
-
$12,471 AUD
$8,760 USD
View
B+
Retailer 9
-
$13,844 AUD
£7,657 GBP
View
B
Retailer 10
-
$14,699 AUD
$10,325 USD
View
B+
Retailer 11
-
$14,924 AUD
ZAR 169,362 ZAR
View
Retailer 12
-
$16,225 AUD
View
Price last confirmed 22 days ago
B
Retailer 13
-
$17,194 AUD
$12,078 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Taylor and Hart
L8M0R6T · Oct 30
$22,771 AUD
$15,996 USD
View
13 more retailers have this diamond
Prices start from $4,547 AUDSave up to $18,224 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
$4,547 AUD