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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 $443 SGD
As of November 4, 2026
Save $3,350 SGD (88%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $3,794 SGD at Brilliant Earth · As of November 4, 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 19 retailers as of November 4, 2026, with prices from $443 to $3,794, a $3,350 spread on the same certified stone. Brilliant Earth lists it at $3,794. 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
Colour
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: Nov 4
Current: $3,794 SGD|Low: $437 SGD|High: $3,794 SGD|Avg: $1,391 SGD
Brilliant Earth
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 18
November 6, 2026
Retailer 16$443 SGD
Retailer 15$496 SGD
Retailer 3$513 SGD
Retailer 12$549 SGD
Retailer 5$604 SGD
Retailer 14$741 SGD
Retailer 2$745 SGD
Retailer 7$863 SGD
Retailer 18$883 SGD
Retailer 10$961 SGD
Retailer 11$977 SGD
Retailer 9$1,377 SGD
Retailer 6$1,751 SGD
Retailer 17$1,765 SGD
Retailer 4$1,966 SGD
Retailer 13$2,139 SGD
Retailer 8$3,410 SGD
Brilliant Earth$3,794 SGD

33 data points across 18 retailers

19 retailers$443 SGD to $3,794 SGD

A
Cheapest Retailer
-
$443 SGD
A
Retailer 2
-
$496 SGD
View
Final sale: no returns
A
Retailer 3
-
$513 SGD
View
A
Retailer 4
-
$549 SGD
View
Retailer 5
-
$557 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$604 SGD
View
A
Retailer 7
-
$741 SGD
View
A
Retailer 8
-
$745 SGD
View
Retailer 9
-
$863 SGD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$883 SGD
View
Retailer 11
-
$961 SGD
View
Price last confirmed 11 days ago
A
Retailer 12
-
$977 SGD
View
B+
Retailer 13
-
$1,377 SGD
View
B+
Retailer 14
-
$1,751 SGD
View
B+
Retailer 15
-
$1,765 SGD
View
B
Retailer 16
-
$1,966 SGD
View
B+
Retailer 17
-
$2,139 SGD
View
Retailer 18
-
$3,410 SGD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
16747576A · Nov 4
$3,794 SGD
$2,970 USD
View
18 more retailers have this diamond
Prices start from $443 SGDSave up to $3,350 SGD

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
$443 SGD