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Marquise|Lab Grown|IGI

3.07ct D IF Marquise Lab Grown Diamond

EX • D/IF • IGI LG846635159

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846635159

Diamond specifications and retailer prices

From $4,171 AUD
As of November 4, 2026
Save $9,960 AUD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $14,131 AUD at Taylor and Hart · As of November 3, 2026
View at Taylor and Hart

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 LG846635159 or 846635159. Listed at 6 retailers as of November 3, 2026, with prices from $4,171 to $14,131, a $9,960 spread on the same certified stone. Taylor and Hart lists it at $14,131. 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 angle31.3°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846635159
Dimensions15.78 × 7.49 × 4.50 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.78 mm7.49 mm3.07 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846635159
Side View
Table 56.0%Crown 31.3°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 60.1%

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: Nov 4
Current: $5,521 AUD|Low: $4,171 AUD|High: $14,131 AUD|Avg: $7,988 AUD|-0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Taylor and Hart
November 4, 2026
Retailer 5$4,171 AUD
Retailer 4$4,846 AUD
Retailer 1$5,521 AUD
Retailer 3$6,312 AUD
Retailer 2$10,839 AUD
Taylor and Hart$14,131 AUD

8 data points across 6 retailers

6 retailers$4,171 AUD to $14,131 AUD

A
Cheapest Retailer
-
$4,171 AUD
A
Retailer 2
-
$4,846 AUD
View
A
Retailer 3
-
$5,521 AUD
View
A
Retailer 4
-
$6,312 AUD
View
B+
Retailer 5
-
$10,839 AUD
View
Most Expensive
B
Taylor and Hart
BIF3SRU · Nov 3
$14,131 AUD
$9,869 USD
View
5 more retailers have this diamond
Prices start from $4,171 AUDSave up to $9,960 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
$4,171 AUD