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Marquise|Lab Grown|IGI

3.06ct D SI1 Marquise Lab Grown Diamond

ID • D/SI1 • IGI LG842630605

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842630605

Diamond specifications and retailer prices

From $704 SGD
HK$4,300 HKD
As of October 31, 2026
Save $3,093 SGD (81%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,797 SGD at Brilliant Earth · As of October 29, 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 LG842630605 or 842630605. Listed at 12 retailers as of October 29, 2026, with prices from $704 to $3,797, a $3,093 spread on the same certified stone. Brilliant Earth lists it at $3,797. 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
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842630605
Dimensions14.76 × 7.55 × 4.92 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.76 mm7.55 mm3.06 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842630605
Side View
Table 57.0%Crown 35.6°Girdle: MED-STKPavilion 41.9°Culet: NoneDepth 65.2%

Caratlytics Score

How it works →
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 31
Current: $3,797 SGD|Low: $582 SGD|High: $3,797 SGD|Avg: $1,671 SGD
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
October 31, 2026
Retailer 3$582 SGD
Retailer 9$704 SGD
Retailer 6$831 SGD
Retailer 13$884 SGD
Retailer 7$985 SGD
Retailer 4$1,019 SGD
Retailer 8$1,054 SGD
Retailer 2$1,547 SGD
Retailer 12$1,997 SGD
Retailer 5$2,052 SGD
Retailer 11$2,533 SGD
Retailer 10$3,413 SGD
Brilliant Earth$3,797 SGD

15 data points across 13 retailers

12 retailers$704 SGD to $3,797 SGD

A
Cheapest Retailer
-
$704 SGD
HK$4,300 HKD
A
Retailer 2
-
$831 SGD
$650 USD
View
Retailer 3
-
$884 SGD
£544 GBP
View
Price last confirmed 14 days ago
A
Retailer 4
-
$985 SGD
€734 EUR
View
B+
Retailer 5
-
$1,019 SGD
$797 USD
View
A
Retailer 6
-
$1,054 SGD
£649 GBP
View
B+
Retailer 7
-
$1,547 SGD
$1,210 USD
View
B+
Retailer 8
-
$1,997 SGD
$1,562 USD
View
B+
Retailer 9
-
$2,052 SGD
View
Retailer 10
-
$2,533 SGD
£1,560 GBP
View
Price last confirmed 10 days ago
B
Retailer 11
-
$3,413 SGD
$2,670 USD
View
Most Expensive
B
Brilliant Earth
21831554A · Oct 29
$3,797 SGD
$2,970 USD
View
11 more retailers have this diamond
Prices start from $704 SGDSave up to $3,093 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
$704 SGD