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Marquise|Lab Grown|IGI

3.10ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG804659668

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804659668

Diamond specifications and retailer prices

From $6,463 CAD
$4,627 USD
As of October 31, 2026
Save $21,676 CAD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $28,139 CAD at With Clarity · As of October 30, 2026
View at With Clarity

About this 3.1ct lab-grown marquise diamond

This 3.1ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804659668 or 804659668. Listed at 10 retailers as of October 30, 2026, with prices from $6,463 to $28,139, a $21,676 spread on the same certified stone. With Clarity lists it at $28,139. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804659668
Dimensions15.94 × 7.55 × 4.57 mm
L/W Ratio2.11
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
15.94 mm7.55 mm3.10 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804659668
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $12,851 CAD|Low: $6,463 CAD|High: $33,091 CAD|Avg: $15,839 CAD|-32.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
With Clarity
October 30, 2026
Retailer 7$6,463 CAD
Retailer 9$8,869 CAD
Retailer 3$9,149 CAD
Retailer 8$10,896 CAD
Retailer 4$11,622 CAD
Retailer 1$12,851 CAD
Retailer 2$14,417 CAD
Retailer 5$14,737 CAD
Retailer 6$19,054 CAD
Retailer 10$25,244 CAD
With Clarity$28,139 CAD

36 data points across 11 retailers

10 retailers$6,463 CAD to $28,139 CAD

A
Cheapest Retailer
-
$6,463 CAD
$4,627 USD
B+
Retailer 2
-
$8,869 CAD
HK$49,600 HKD
View
B+
Retailer 3
-
$9,149 CAD
£5,157 GBP
View
B+
Retailer 4
-
$10,896 CAD
$7,800 USD
View
B+
Retailer 5
-
$11,622 CAD
€7,924 EUR
View
B+
Retailer 6
-
$12,851 CAD
$9,200 USD
View
B+
Retailer 7
-
$14,737 CAD
£8,307 GBP
View
B
Retailer 8
-
$19,054 CAD
$13,640 USD
View
B
Retailer 9
-
$25,244 CAD
$18,071 USD
View
Most Expensive
B
With Clarity
804659668 · Oct 30
$28,139 CAD
$20,144 USD
View
9 more retailers have this diamond
Prices start from $6,463 CADSave up to $21,676 CAD

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
3.10ct Marquise
$6,463 CAD