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Marquise|Lab Grown|IGI

3.08ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG812612725

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG812612725

Diamond specifications and retailer prices

From $4,679 AUD
As of November 4, 2026
Save $14,324 AUD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $19,003 AUD at Taylor and Hart · As of November 3, 2026
View at Taylor and Hart

About this 3.08ct lab-grown marquise diamond

This 3.08ct 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 LG812612725 or 812612725. Listed at 22 retailers as of November 3, 2026, with prices from $4,679 to $19,003, a $14,324 spread on the same certified stone. Taylor and Hart lists it at $19,003. 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

3.08
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.9°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812612725
Dimensions15.55 × 7.63 × 4.20 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
15.55 mm7.63 mm3.08 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812612725
Side View
Table 61.0%Crown 33.9°Girdle: MED-STKPavilion 35.3°Culet: NoneDepth 55.0%

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: $7,154 AUD|Low: $4,679 AUD|High: $19,003 AUD|Avg: $10,290 AUD|-22.5%
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
Taylor and Hart
November 4, 2026
Retailer 3$4,679 AUD
Retailer 14$5,090 AUD
Retailer 5$5,241 AUD
Retailer 4$5,269 AUD
Retailer 19$5,381 AUD
Retailer 6$5,428 AUD
Retailer 12$5,649 AUD
Retailer 10$6,783 AUD
Retailer 1$7,154 AUD
Retailer 18$7,486 AUD
Retailer 8$8,269 AUD
Retailer 16$8,425 AUD
Retailer 11$8,541 AUD
Retailer 7$11,183 AUD
Retailer 17$12,309 AUD
Retailer 13$12,639 AUD
Retailer 9$13,570 AUD
Retailer 15$13,756 AUD
Retailer 2$15,679 AUD
Taylor and Hart$19,003 AUD

40 data points across 20 retailers

22 retailers$4,679 AUD to $19,003 AUD

A
Cheapest Retailer
-
$4,679 AUD
A
Retailer 2
-
$5,090 AUD
View
A
Retailer 3
-
$5,241 AUD
View
Final sale: no returns
A
Retailer 4
-
$5,269 AUD
View
A
Retailer 5
-
$5,381 AUD
View
A
Retailer 6
-
$5,428 AUD
View
A
Retailer 7
-
$5,649 AUD
View
A
Retailer 8
-
$6,783 AUD
View
Retailer 9
-
$6,886 AUD
View
Price last confirmed 19 days ago
A
Retailer 10
-
$7,154 AUD
View
A
Retailer 11
-
$7,486 AUD
View
A
Retailer 12
-
$8,269 AUD
View
B+
Retailer 13
-
$8,425 AUD
View
B+
Retailer 14
-
$8,541 AUD
View
B+
Retailer 15
-
$11,183 AUD
View
B+
Retailer 16
-
$12,309 AUD
View
B+
Retailer 17
-
$12,639 AUD
View
B+
Retailer 18
-
$12,944 AUD
View
B
Retailer 19
-
$13,570 AUD
View
B+
Retailer 20
-
$13,756 AUD
View
B
Retailer 21
-
$15,679 AUD
View
Most Expensive
B
Taylor and Hart
1J4BDEA · Nov 3
$19,003 AUD
$13,271 USD
View
21 more retailers have this diamond
Prices start from $4,679 AUDSave up to $14,324 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
3.08ct Marquise
$4,679 AUD