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Marquise|Lab Grown|IGI

3.14ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG846663544

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG846663544

Diamond specifications and retailer prices

From $3,764 USD
As of October 30, 2026
Save $14,436 USD (79%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $18,200 USD at With Clarity · As of October 31, 2026
View at With Clarity

About this 3.14ct lab-grown marquise diamond

This 3.14ct 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 LG846663544 or 846663544. Listed at 15 retailers as of October 30, 2026, with prices from $3,764 to $18,200, a $14,436 spread on the same certified stone. With Clarity lists it at $18,200. 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

3.14
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663544
Dimensions14.65 × 7.62 × 4.81 mm
L/W Ratio1.92
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
14.65 mm7.62 mm3.14 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663544
Side View
Table 60.0%Crown 36.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 63.1%

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 30
Current: $5,195 USD|Low: $3,764 USD|High: $20,384 USD|Avg: $7,754 USD|-5.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
With Clarity
November 1, 2026
Retailer 14$3,764 USD
Retailer 12$4,043 USD
Retailer 3$4,126 USD
Retailer 11$4,664 USD
Retailer 9$4,930 USD
Retailer 1$5,195 USD
Retailer 7$5,455 USD
Retailer 10$5,790 USD
Retailer 5$7,164 USD
Retailer 4$8,040 USD
Retailer 13$8,736 USD
Retailer 6$8,804 USD
Retailer 2$9,835 USD
Retailer 8$9,970 USD
With Clarity$18,200 USD

9 data points across 15 retailers

15 retailers$3,764 USD to $18,200 USD

A
Cheapest Retailer
-
$3,764 USD
A
Retailer 2
-
$4,043 USD
View
A
Retailer 3
-
$4,126 USD
View
A
Retailer 4
-
$4,664 USD
View
A
Retailer 5
-
$4,930 USD
View
A
Retailer 6
-
$5,195 USD
£4,090 GBP
View
A
Retailer 7
-
$5,455 USD
View
A
Retailer 8
-
$5,790 USD
View
B+
Retailer 9
-
$7,164 USD
View
B+
Retailer 10
-
$8,040 USD
View
B+
Retailer 11
-
$8,736 USD
View
B+
Retailer 12
-
$8,804 USD
€8,385 EUR
View
B+
Retailer 13
-
$9,835 USD
£7,744 GBP
View
B+
Retailer 14
-
$9,970 USD
View
Most Expensive
B
With Clarity
846663544 · Oct 31
$18,200 USD
View
14 more retailers have this diamond
Prices start from $3,764 USDSave up to $14,436 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
3.14ct Marquise
$3,764 USD