Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG841656301

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841656301

Diamond specifications and retailer prices

From $1,673 AUD
$1,175 USD
As of October 28, 2026
Save $4,278 AUD (72%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $5,951 AUD at Brilliant Earth · As of October 26, 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 LG841656301 or 841656301. Listed at 21 retailers as of October 26, 2026, with prices from $1,673 to $5,951, a $4,278 spread on the same certified stone. Brilliant Earth lists it at $5,951. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841656301
Dimensions14.87 × 7.49 × 4.72 mm
L/W Ratio1.99
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.87 mm7.49 mm3.05 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841656301
Side View
Table 60.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 28
Current: $5,951 AUD|Low: $1,026 AUD|High: $6,193 AUD|Avg: $2,789 AUD|-3.9%
Brilliant Earth
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Retailer 26
October 25, 2026
Retailer 6$1,069 AUD
Retailer 12$1,163 AUD
Retailer 9$1,240 AUD
Retailer 16$1,240 AUD
Retailer 21$1,370 AUD
Retailer 14$1,666 AUD
Retailer 2$1,673 AUD
Retailer 24$1,681 AUD
Retailer 13$1,705 AUD
Retailer 25$1,777 AUD
Retailer 20$1,913 AUD
Retailer 4$1,969 AUD
Retailer 23$1,995 AUD
Retailer 15$2,803 AUD
Retailer 11$2,850 AUD
Retailer 5$2,877 AUD
Retailer 10$3,486 AUD
Retailer 26$4,026 AUD
Retailer 7$4,102 AUD
Retailer 17$4,201 AUD
Retailer 18$4,277 AUD
Retailer 19$4,342 AUD
Retailer 8$4,385 AUD
Retailer 3$4,927 AUD
Retailer 22$5,548 AUD
Brilliant Earth$5,951 AUD

19 data points across 26 retailers

21 retailers$1,673 AUD to $5,951 AUD

Retailer 1
-
$1,069 AUD
$751 USD
Price last confirmed 24 days ago
Retailer 2
-
$1,163 AUD
$817 USD
View
Price last confirmed 33 days ago
Retailer 3
-
$1,240 AUD
$871 USD
View
Price last confirmed 20 days ago
Retailer 4
-
$1,240 AUD
$871 USD
View
Price last confirmed 29 days ago
A
Retailer 5
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$1,673 AUD
$1,175 USD
View
Retailer 6
-
$1,681 AUD
£930 GBP
View
Price last confirmed 19 days ago
A
Retailer 7
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$1,705 AUD
$1,198 USD
View
Retailer 8
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$1,777 AUD
$1,248 USD
View
Price last confirmed 20 days ago
A
Retailer 9
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$1,913 AUD
HK$10,500 HKD
View
Retailer 10
-
$2,803 AUD
View
Price last confirmed 34 days ago
Retailer 11
-
$2,850 AUD
$2,002 USD
View
Price last confirmed 19 days ago
Retailer 12
-
$2,877 AUD
ZAR 32,652 ZAR
View
Price last confirmed 23 days ago
Retailer 13
-
$3,486 AUD
$2,449 USD
View
Price last confirmed 32 days ago
Retailer 14
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$4,026 AUD
$2,828 USD
View
Price last confirmed 20 days ago
Retailer 15
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$4,102 AUD
View
Price last confirmed 27 days ago
Retailer 16
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$4,201 AUD
$2,951 USD
View
Price last confirmed 21 days ago
Retailer 17
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$4,277 AUD
$3,004 USD
View
Price last confirmed 20 days ago
Retailer 18
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$4,385 AUD
$3,080 USD
View
Price last confirmed 25 days ago
Retailer 19
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$4,927 AUD
£2,725 GBP
View
Price last confirmed 21 days ago
B
Retailer 20
-
$5,548 AUD
SGD 5,266 SGD
View
Most Expensive
B
Brilliant Earth
22252847Y · Oct 26
$5,951 AUD
$4,180 USD
View
20 more retailers have this diamond
Prices start from $1,673 AUDSave up to $4,278 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
$1,673 AUD