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Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG843645240

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843645240

Diamond specifications and retailer prices

From $1,078 AUD
$757 USD
As of October 29, 2026
Save $4,517 AUD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $5,595 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.05ct lab-grown marquise diamond

This 3.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843645240 or 843645240. Listed at 18 retailers as of October 29, 2026, with prices from $1,078 to $5,595, a $4,517 spread on the same certified stone. Brilliant Earth lists it at $5,595. 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
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843645240
Dimensions14.75 × 7.46 × 4.84 mm
L/W Ratio1.98
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.75 mm7.46 mm3.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843645240
Side View
Table 64.0%Crown 36.7°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 64.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,595 AUD|Low: $1,078 AUD|High: $5,609 AUD|Avg: $2,699 AUD|-0.3%
Brilliant Earth
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
October 31, 2026
Retailer 4$1,078 AUD
Retailer 3$1,118 AUD
Retailer 18$1,374 AUD
Retailer 17$1,505 AUD
Retailer 8$1,592 AUD
Retailer 14$1,720 AUD
Retailer 11$1,790 AUD
Retailer 16$2,106 AUD
Retailer 2$2,488 AUD
Retailer 15$2,540 AUD
Retailer 13$2,596 AUD
Retailer 10$2,675 AUD
Retailer 5$3,815 AUD
Retailer 7$3,857 AUD
Retailer 6$3,867 AUD
Retailer 9$3,950 AUD
Retailer 12$4,735 AUD
Brilliant Earth$5,595 AUD

19 data points across 18 retailers

18 retailers$1,078 AUD to $5,595 AUD

A
Cheapest Retailer
-
$1,078 AUD
$757 USD
Final sale: no returns
Retailer 2
-
$1,118 AUD
$785 USD
View
Price last confirmed 16 days ago
A
Retailer 3
-
$1,374 AUD
$965 USD
View
Retailer 4
-
$1,505 AUD
£832 GBP
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,592 AUD
$1,118 USD
View
A
Retailer 6
-
$1,720 AUD
€1,151 EUR
View
A
Retailer 7
-
$1,790 AUD
£990 GBP
View
B+
Retailer 8
-
$2,106 AUD
$1,479 USD
View
B+
Retailer 9
-
$2,488 AUD
$1,748 USD
View
Retailer 10
-
$2,540 AUD
View
Price last confirmed 12 days ago
B+
Retailer 11
-
$2,596 AUD
ZAR 29,461 ZAR
View
Retailer 12
-
$2,675 AUD
$1,879 USD
View
Price last confirmed 8 days ago
B
Retailer 13
-
$3,815 AUD
$2,680 USD
View
B
Retailer 14
-
$3,857 AUD
$2,709 USD
View
B
Retailer 15
-
$3,867 AUD
$2,716 USD
View
B
Retailer 16
-
$3,950 AUD
$2,775 USD
View
B
Retailer 17
-
$4,735 AUD
£2,619 GBP
View
Most Expensive
B
Brilliant Earth
22175498A · Oct 30
$5,595 AUD
$3,930 USD
View
17 more retailers have this diamond
Prices start from $1,078 AUDSave up to $4,517 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
$1,078 AUD