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Marquise|Lab Grown|IGI

3.06ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG729507535

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG729507535

Diamond specifications and retailer prices

From €390 EUR
$436 USD
As of October 25, 2026
Save €2,268 EUR (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: €2,658 EUR at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 3.06ct lab-grown marquise diamond

This 3.06ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG729507535 or 729507535. Listed at 17 retailers as of October 25, 2026, with prices from €390 to €2,658, a €2,268 spread on the same certified stone. Brilliant Earth lists it at €2,658. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.06
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729507535
Dimensions15.38 × 7.67 × 4.56 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.38 mm7.67 mm3.06 ctD / SI1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729507535
Side View
Table 64.0%Crown 33.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 59.5%

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 25
Current: €2,658 EUR|Low: €306 EUR|High: €2,658 EUR|Avg: €933 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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 6€314 EUR
Retailer 10€352 EUR
Retailer 3€365 EUR
Retailer 7€390 EUR
Retailer 2€424 EUR
Retailer 15€524 EUR
Retailer 13€533 EUR
Retailer 12€605 EUR
Retailer 4€626 EUR
Retailer 8€673 EUR
Retailer 14€697 EUR
Retailer 18€965 EUR
Retailer 11€1,228 EUR
Retailer 9€1,254 EUR
Retailer 5€1,379 EUR
Retailer 17€1,532 EUR
Retailer 16€2,390 EUR
Brilliant Earth€2,658 EUR

35 data points across 18 retailers

17 retailers€390 EUR to €2,658 EUR

Retailer 1
-
€314 EUR
$351 USD
Price last confirmed 9 days ago
Retailer 2
-
€365 EUR
$408 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€390 EUR
$436 USD
View
A
Retailer 4
-
€424 EUR
HK$3,700 HKD
View
A
Retailer 5
-
€524 EUR
$585 USD
View
A
Retailer 6
-
€533 EUR
£469 GBP
View
A
Retailer 7
-
€605 EUR
View
B+
Retailer 8
-
€626 EUR
$699 USD
View
A
Retailer 9
-
€673 EUR
$752 USD
View
A
Retailer 10
-
€697 EUR
£613 GBP
View
B+
Retailer 11
-
€965 EUR
$1,078 USD
View
B+
Retailer 12
-
€1,228 EUR
SGD 1,854 SGD
View
B+
Retailer 13
-
€1,254 EUR
$1,401 USD
View
B+
Retailer 14
-
€1,379 EUR
$1,541 USD
View
Retailer 15
-
€1,532 EUR
£1,348 GBP
View
Price last confirmed 11 days ago
B
Retailer 16
-
€2,390 EUR
$2,670 USD
View
Most Expensive
B
Brilliant Earth
16747576A · Oct 31
€2,658 EUR
$2,970 USD
View
16 more retailers have this diamond
Prices start from €390 EURSave up to €2,268 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
3.06ct Marquise
€390 EUR