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Marquise|Lab Grown|IGI

3.41ct F SI1 Marquise Lab Grown Diamond

GD • F/SI1 • IGI LG750563943

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG750563943

Diamond specifications and retailer prices

From $1,110 USD
A$1,708 AUD
As of November 2, 2026
Save $2,020 USD (65%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,130 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 3.41ct lab-grown marquise diamond

This 3.41ct lab-grown marquise sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG750563943 or 750563943. Listed at 4 retailers as of November 2, 2026, with prices from $1,110 to $3,130, a $2,020 spread on the same certified stone. Brilliant Earth lists it at $3,130. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.41
Carat
F
Color
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750563943
Dimensions15.28 × 7.97 × 4.89 mm
L/W Ratio1.92
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.28 mm7.97 mm3.41 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750563943
Side View
Table 60.0%Crown 35.4°Girdle: MediumPavilion 39.5°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $3,130 USD|Low: $512 USD|High: $3,130 USD|Avg: $1,258 USD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 21, 2026
Retailer 10$512 USD
Retailer 5$620 USD
Retailer 8$701 USD
Retailer 6$762 USD
Retailer 3$810 USD
Retailer 2$1,110 USD
Retailer 9$1,151 USD
Retailer 4$1,261 USD
Retailer 7$2,523 USD
Brilliant Earth$3,130 USD

4 data points across 10 retailers

4 retailers$1,110 USD to $3,130 USD

Retailer 1
-
$512 USD
HK$4,000 HKD
Price last confirmed 59 days ago
B+
Retailer 2
-
$1,110 USD
A$1,708 AUD
View
Retailer 3
-
$2,523 USD
View
Price last confirmed 50 days ago
Most Expensive
B
Brilliant Earth
16859453A · Nov 2
$3,130 USD
View
3 more retailers have this diamond
Prices start from $1,110 USDSave up to $2,020 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.

B+
3.41ct Marquise
$1,110 USD