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Marquise|Lab Grown|IGI

3.06ct F SI1 Marquise Lab Grown Diamond

EX • F/SI1 • IGI LG825690982

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG825690982

Diamond specifications and retailer prices

From $411 USD
As of November 2, 2026
Save $2,319 USD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,730 USD at Brilliant Earth · As of November 2, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG825690982 or 825690982. Listed at 11 retailers as of November 2, 2026, with prices from $411 to $2,730, a $2,319 spread on the same certified stone. Brilliant Earth lists it at $2,730. 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
F
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825690982
Dimensions14.46 × 7.60 × 4.86 mm
L/W Ratio1.90
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
14.46 mm7.60 mm3.06 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825690982
Side View
Table 59.0%Crown 37.8°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.9%

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: Nov 2
Current: $2,730 USD|Low: $399 USD|High: $2,730 USD|Avg: $1,332 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$411 USD
Retailer 8$461 USD
Retailer 2$625 USD
Retailer 5$814 USD
Retailer 9$889 USD
Retailer 7$1,431 USD
Retailer 6$1,435 USD
Retailer 3$1,640 USD
Retailer 4$1,994 USD
Retailer 11$2,065 USD
Brilliant Earth$2,730 USD

26 data points across 11 retailers

11 retailers$411 USD to $2,730 USD

A
Cheapest Retailer
-
$411 USD
A
Retailer 2
-
$461 USD
View
A
Retailer 3
-
$625 USD
£492 GBP
View
Retailer 4
-
$814 USD
€775 EUR
View
Price last confirmed 8 days ago
A
Retailer 5
-
$889 USD
View
B+
Retailer 6
-
$1,431 USD
View
B+
Retailer 7
-
$1,435 USD
View
B+
Retailer 8
-
$1,640 USD
View
B
Retailer 9
-
$1,994 USD
£1,570 GBP
View
Retailer 10
-
$2,065 USD
SGD 2,790 SGD
View
Price last confirmed 20 days ago
Most Expensive
B
Brilliant Earth
21703209A · Nov 2
$2,730 USD
View
10 more retailers have this diamond
Prices start from $411 USDSave up to $2,319 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
3.06ct Marquise
$411 USD