CaratHunter
Plans
Marquise|Lab Grown|IGI

3.14ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG784645342

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG784645342

Diamond specifications and retailer prices

From $3,579 USD
As of October 30, 2026
Save $21,041 USD (85%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $24,620 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG784645342 or 784645342. Listed at 14 retailers as of October 30, 2026, with prices from $3,579 to $24,620, a $21,041 spread on the same certified stone. Do Amore Diamonds lists it at $24,620. 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°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784645342
Dimensions14.78 × 7.64 × 4.77 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
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
14.78 mm7.64 mm3.14 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784645342
Side View
Table 61.0%Crown 36°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.4%

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: $24,620 USD|Low: $3,579 USD|High: $28,350 USD|Avg: $8,134 USD|-13.2%
Do Amore Diamonds
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
October 31, 2026
Retailer 9$3,579 USD
Retailer 10$3,754 USD
Retailer 7$3,913 USD
Retailer 4$3,931 USD
Retailer 12$4,305 USD
Retailer 6$4,844 USD
Retailer 2$5,614 USD
Retailer 13$5,726 USD
Retailer 3$6,497 USD
Retailer 5$7,645 USD
Retailer 11$7,854 USD
Retailer 8$9,320 USD
Retailer 14$9,923 USD
Do Amore Diamonds$24,620 USD

33 data points across 14 retailers

14 retailers$3,579 USD to $24,620 USD

A
Cheapest Retailer
-
$3,579 USD
A
Retailer 2
-
$3,754 USD
View
A
Retailer 3
-
$3,913 USD
View
A
Retailer 4
-
$3,931 USD
View
A
Retailer 5
-
$4,305 USD
View
A
Retailer 6
-
$4,844 USD
View
Final sale: no returns
A
Retailer 7
-
$5,614 USD
View
A
Retailer 8
-
$5,726 USD
View
B+
Retailer 9
-
$6,497 USD
View
Retailer 10
-
$7,645 USD
View
Price last confirmed 24 days ago
B+
Retailer 11
-
$7,854 USD
€7,480 EUR
View
B+
Retailer 12
-
$9,320 USD
View
B+
Retailer 13
-
$9,923 USD
£7,813 GBP
View
Most Expensive
B
Do Amore Diamonds
27-48C2BAA8F · Oct 31
$24,620 USD
View
13 more retailers have this diamond
Prices start from $3,579 USDSave up to $21,041 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
$3,579 USD