Marquise|Lab Grown|IGI

3.39ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG817638254

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG817638254

Diamond specifications and retailer prices

From $5,849 USD
As of October 31, 2026
Save $22,188 USD (79%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $28,037 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 3.39ct lab-grown marquise diamond

This 3.39ct 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 LG817638254 or 817638254. Listed at 25 retailers as of October 31, 2026, with prices from $5,849 to $28,037, a $22,188 spread on the same certified stone. Taylor and Hart lists it at $28,037. 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

3.39
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817638254
Dimensions16.65 × 7.85 × 4.74 mm
L/W Ratio2.12
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.65 mm7.85 mm3.39 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817638254
Side View
Table 60.0%Crown 34.3°Girdle: THN-MEDPavilion 40.3°Culet: NoneDepth 60.4%

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 31
Current: $16,168 USD|Low: $6,174 USD|High: $41,780 USD|Avg: $14,755 USD|-1.1%
Retailer 1
Retailer 2
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Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Taylor and Hart
November 1, 2026
Retailer 2$6,431 USD
Retailer 6$6,688 USD
Retailer 15$6,701 USD
Retailer 4$7,460 USD
Retailer 9$7,460 USD
Retailer 14$7,845 USD
Retailer 5$9,775 USD
Retailer 11$10,100 USD
Retailer 3$12,195 USD
Retailer 13$12,987 USD
Retailer 12$14,480 USD
Retailer 1$16,168 USD
Retailer 7$16,246 USD
Retailer 17$18,533 USD
Retailer 10$19,120 USD
Retailer 8$20,718 USD
Taylor and Hart$28,037 USD
Retailer 16$40,130 USD

38 data points across 18 retailers

25 retailers$5,849 USD to $28,037 USD

A
Cheapest Retailer
-
$5,849 USD
A
Retailer 2
-
$6,431 USD
View
A
Retailer 3
-
$6,688 USD
View
A
Retailer 4
-
$6,701 USD
View
A
Retailer 5
-
$6,708 USD
CA$9,317 CAD
View
B+
Retailer 6
-
$7,440 USD
View
B+
Retailer 7
-
$7,460 USD
View
Retailer 8
-
$7,460 USD
View
Price last confirmed 16 days ago
B+
Retailer 9
-
$7,845 USD
View
Final sale: no returns
B+
Retailer 10
-
$9,775 USD
View
B+
Retailer 11
-
$10,100 USD
£7,952 GBP
View
B
Retailer 12
-
$11,781 USD
£9,276 GBP
View
B
Retailer 13
-
$12,195 USD
View
B+
Retailer 14
-
$12,987 USD
€12,369 EUR
View
B+
Retailer 15
-
$14,480 USD
View
B
Retailer 16
-
$16,168 USD
£12,731 GBP
View
B
Retailer 17
-
$16,246 USD
View
B
Retailer 18
-
$18,533 USD
View
B
Retailer 19
-
$19,120 USD
ZAR 308,890 ZAR
View
B
Retailer 20
-
$19,431 USD
View
B
Retailer 21
-
$20,718 USD
View
Retailer 22
-
$21,375 USD
View
Price last confirmed 8 days ago
B
Retailer 23
-
$21,534 USD
View
Most Expensive
B
Taylor and Hart
QPBWHVI · Oct 31
$28,037 USD
View
23 more retailers have this diamond
Prices start from $5,849 USDSave up to $22,188 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
3.39ct Marquise
$5,849 USD