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Marquise|Lab Grown|IGI

3.07ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG754576605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754576605

Diamond specifications and retailer prices

From $6,624 AUD
As of November 3, 2026
Save $19,245 AUD (74%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $36,373 AUD at With Clarity · As of November 3, 2026
View at With Clarity

About this 3.07ct lab-grown marquise diamond

This 3.07ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754576605 or 754576605. Listed at 24 retailers as of October 31, 2026, with a 291% 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

3.07
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.1°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754576605
Dimensions14.68 × 7.57 × 4.67 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.68 mm7.57 mm3.07 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754576605
Side View
Table 64.0%Crown 40.1°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 61.7%

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: Nov 3
Current: $9,312 AUD|Low: $6,784 AUD|High: $36,373 AUD|Avg: $12,556 AUD|-1.7%
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
With Clarity
November 4, 2026
Retailer 7$6,784 AUD
Retailer 6$7,255 AUD
Retailer 2$7,317 AUD
Retailer 9$7,851 AUD
Retailer 10$8,682 AUD
Retailer 15$8,835 AUD
Retailer 1$9,312 AUD
Retailer 4$10,567 AUD
Retailer 14$11,815 AUD
Retailer 3$13,570 AUD
Retailer 11$15,022 AUD
Retailer 12$16,699 AUD
Retailer 8$16,895 AUD
Retailer 5$16,939 AUD
Retailer 13$23,506 AUD
With Clarity$36,373 AUD

39 data points across 16 retailers

24 retailers$6,624 AUD to $25,869 AUD

Retailer 1
-
$6,255 AUD
Price last confirmed 27 days ago
Retailer 2
-
$6,554 AUD
View
Price last confirmed 36 days ago
A
Retailer 3
-
$6,624 AUD
View
A
Retailer 4
-
$6,784 AUD
View
Retailer 5
-
$7,255 AUD
View
Price last confirmed 32 days ago
A
Retailer 6
-
$7,317 AUD
View
A
Retailer 7
-
$7,851 AUD
View
Final sale: no returns
B+
Retailer 8
-
$8,682 AUD
View
B+
Retailer 9
-
$8,835 AUD
View
Retailer 10
-
$9,065 AUD
View
Price last confirmed 35 days ago
B+
Retailer 11
-
$9,312 AUD
View
B+
Retailer 12
-
$10,212 AUD
View
B+
Retailer 13
-
$10,567 AUD
View
B+
Retailer 14
-
$11,815 AUD
View
B+
Retailer 15
-
$13,570 AUD
View
B+
Retailer 16
-
$15,022 AUD
View
B
Retailer 17
-
$16,699 AUD
View
B
Retailer 18
-
$16,895 AUD
View
B
Retailer 19
-
$16,939 AUD
View
B
Retailer 20
-
$17,602 AUD
View
B
Retailer 21
-
$21,141 AUD
View
B
Retailer 22
-
$23,506 AUD
View
B
Retailer 23
-
$25,869 AUD
View
Most Expensive
With Clarity
754576605 · Nov 3
$36,373 AUD
$25,402 USD
View
Price under review
23 more retailers have this diamond
Prices start from $6,624 AUDSave up to $19,245 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
3.07ct Marquise
$6,624 AUD