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 $757 USD
As of October 29, 2026
Save $3,173 USD (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,930 USD 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 $757 to $3,930, a $3,173 spread on the same certified stone. Brilliant Earth lists it at $3,930. 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
Color
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

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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: $3,930 USD|Low: $757 USD|High: $3,940 USD|Avg: $1,896 USD|-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
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Retailer 17
Retailer 18
October 31, 2026
Retailer 4$757 USD
Retailer 3$785 USD
Retailer 18$965 USD
Retailer 17$1,057 USD
Retailer 8$1,118 USD
Retailer 14$1,209 USD
Retailer 11$1,257 USD
Retailer 16$1,479 USD
Retailer 2$1,748 USD
Retailer 15$1,784 USD
Retailer 13$1,824 USD
Retailer 10$1,879 USD
Retailer 5$2,680 USD
Retailer 7$2,709 USD
Retailer 6$2,716 USD
Retailer 9$2,775 USD
Retailer 12$3,326 USD
Brilliant Earth$3,930 USD

19 data points across 18 retailers

18 retailers$757 USD to $3,930 USD

A
Cheapest Retailer
-
$757 USD
Final sale: no returns
Retailer 2
-
$785 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$965 USD
View
Retailer 4
-
$1,057 USD
£832 GBP
View
Price last confirmed 14 days ago
A
Retailer 5
-
$1,118 USD
View
A
Retailer 6
-
$1,209 USD
€1,151 EUR
View
A
Retailer 7
-
$1,257 USD
£990 GBP
View
B+
Retailer 8
-
$1,479 USD
View
B+
Retailer 9
-
$1,748 USD
View
Retailer 10
-
$1,784 USD
A$2,745 AUD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$1,824 USD
ZAR 29,461 ZAR
View
Retailer 12
-
$1,879 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$2,680 USD
View
B
Retailer 14
-
$2,709 USD
View
B
Retailer 15
-
$2,716 USD
View
B
Retailer 16
-
$2,775 USD
View
B
Retailer 17
-
$3,326 USD
£2,619 GBP
View
Most Expensive
B
Brilliant Earth
22175498A · Oct 30
$3,930 USD
View
17 more retailers have this diamond
Prices start from $757 USDSave up to $3,173 USD

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
$757 USD