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Marquise|Lab Grown|IGI

3.17ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG780662179

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG780662179

Diamond specifications and retailer prices

From $3,611 USD
As of October 30, 2026
Save $21,239 USD (85%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $24,850 USD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.17ct lab-grown marquise diamond

This 3.17ct 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 LG780662179 or 780662179. Listed at 15 retailers as of October 30, 2026, with prices from $3,611 to $24,850, a $21,239 spread on the same certified stone. Do Amore Diamonds lists it at $24,850. 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

3.17
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780662179
Dimensions14.40 × 7.57 × 4.92 mm
L/W Ratio1.90
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
14.40 mm7.57 mm3.17 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780662179
Side View
Table 57.0%Crown 36.4°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 65.0%

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: Oct 30
Current: $24,850 USD|Low: $3,611 USD|High: $28,610 USD|Avg: $8,668 USD|-13.1%
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
Retailer 15
October 31, 2026
Retailer 10$3,611 USD
Retailer 11$3,790 USD
Retailer 8$3,947 USD
Retailer 5$3,966 USD
Retailer 13$4,345 USD
Retailer 7$4,888 USD
Retailer 2$5,665 USD
Retailer 3$5,778 USD
Retailer 4$6,555 USD
Retailer 6$7,740 USD
Retailer 12$7,930 USD
Retailer 9$8,730 USD
Retailer 14$9,958 USD
Retailer 15$11,483 USD
Do Amore Diamonds$24,850 USD

32 data points across 15 retailers

15 retailers$3,611 USD to $24,850 USD

A
Cheapest Retailer
-
$3,611 USD
A
Retailer 2
-
$3,790 USD
View
A
Retailer 3
-
$3,947 USD
View
A
Retailer 4
-
$3,966 USD
View
A
Retailer 5
-
$4,345 USD
View
A
Retailer 6
-
$4,888 USD
View
Final sale: no returns
A
Retailer 7
-
$5,665 USD
View
A
Retailer 8
-
$5,778 USD
View
B+
Retailer 9
-
$6,555 USD
View
Retailer 10
-
$7,740 USD
View
Price last confirmed 27 days ago
B+
Retailer 11
-
$7,930 USD
€7,552 EUR
View
B+
Retailer 12
-
$8,730 USD
View
B+
Retailer 13
-
$9,958 USD
£7,841 GBP
View
B+
Retailer 14
-
$11,483 USD
View
Most Expensive
B
Do Amore Diamonds
27-6A663F7B3 · Oct 31
$24,850 USD
View
14 more retailers have this diamond
Prices start from $3,611 USDSave up to $21,239 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
3.17ct Marquise
$3,611 USD