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Marquise|Lab Grown|IGI

3.05ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG845601708

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG845601708

Diamond specifications and retailer prices

From €742 EUR
$829 USD
As of October 30, 2026
Save €2,502 EUR (77%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €3,527 EUR at Brilliant Earth · As of October 14, 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 LG845601708 or 845601708. Listed at 13 retailers as of October 29, 2026, with a 337% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.2°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845601708
Dimensions15.45 × 7.38 × 4.74 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm7.38 mm3.05 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845601708
Side View
Table 61.0%Crown 35.2°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 64.2%

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: Oct 30
Current: €3,527 EUR|Low: €742 EUR|High: €3,527 EUR|Avg: €2,007 EUR
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
October 31, 2026
Retailer 15€742 EUR
Retailer 10€807 EUR
Retailer 9€997 EUR
Retailer 13€1,124 EUR
Retailer 14€1,158 EUR
Retailer 4€1,386 EUR
Retailer 8€1,387 EUR
Retailer 6€1,395 EUR
Retailer 2€1,944 EUR
Retailer 11€1,979 EUR
Retailer 3€2,420 EUR
Retailer 7€2,895 EUR
Retailer 5€3,086 EUR
Retailer 12€3,244 EUR
Brilliant Earth€3,527 EUR

10 data points across 15 retailers

13 retailers€742 EUR to €3,244 EUR

A
Cheapest Retailer
-
€742 EUR
$829 USD
A
Retailer 2
-
€807 EUR
$902 USD
View
A
Retailer 3
-
€997 EUR
HK$8,700 HKD
View
A
Retailer 4
-
€1,124 EUR
$1,256 USD
View
Retailer 5
-
€1,158 EUR
£1,019 GBP
View
Price last confirmed 15 days ago
B+
Retailer 6
-
€1,386 EUR
$1,548 USD
View
B+
Retailer 7
-
€1,387 EUR
$1,550 USD
View
B+
Retailer 8
-
€1,944 EUR
A$3,341 AUD
View
B+
Retailer 9
-
€1,979 EUR
$2,211 USD
View
B
Retailer 10
-
€2,420 EUR
$2,704 USD
View
B
Retailer 11
-
€2,895 EUR
SGD 4,370 SGD
View
B
Retailer 12
-
€3,244 EUR
£2,854 GBP
View
Most Expensive
Brilliant Earth
21783662A · Oct 14
€3,527 EUR
$3,940 USD
View
Price last confirmed 18 days ago
12 more retailers have this diamond
Prices start from €742 EURSave up to €2,502 EUR

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
€742 EUR