Marquise|Lab Grown|IGI

4.39ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG813649774

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG813649774

Diamond specifications and retailer prices

From $10,020 USD
As of October 26, 2026
Save $30,284 USD (75%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $40,304 USD at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 4.39ct lab-grown marquise diamond

This 4.39ct 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 LG813649774 or 813649774. Listed at 27 retailers as of October 26, 2026, with prices from $10,020 to $40,304, a $30,284 spread on the same certified stone. Taylor and Hart lists it at $40,304. 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

4.39
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813649774
Dimensions16.54 × 8.49 × 5.32 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.54 mm8.49 mm4.39 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813649774
Side View
Table 59.0%Crown 35.9°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 62.7%

Caratlytics Score

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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 26
Current: $23,050 USD|Low: $9,508 USD|High: $61,018 USD|Avg: $21,844 USD|-7.4%
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Retailer 28
Taylor and Hart
October 28, 2026
Retailer 21$9,508 USD
Retailer 25$10,020 USD
Retailer 28$10,124 USD
Retailer 13$10,318 USD
Retailer 2$10,811 USD
Retailer 5$10,832 USD
Retailer 8$12,380 USD
Retailer 4$12,541 USD
Retailer 7$12,541 USD
Retailer 9$12,767 USD
Retailer 6$12,973 USD
Retailer 18$13,121 USD
Retailer 15$13,350 USD
Retailer 22$16,088 USD
Retailer 19$19,089 USD
Retailer 14$19,827 USD
Retailer 23$20,782 USD
Retailer 3$20,879 USD
Retailer 12$22,098 USD
Retailer 16$22,981 USD
Retailer 1$23,050 USD
Retailer 24$29,349 USD
Retailer 27$31,536 USD
Retailer 10$34,511 USD
Retailer 11$35,034 USD
Retailer 17$36,372 USD
Taylor and Hart$40,304 USD
Retailer 26$46,290 USD
Retailer 20$61,018 USD

28 data points across 29 retailers

27 retailers$10,020 USD to $40,304 USD

A
Cheapest Retailer
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$10,020 USD
A
Retailer 2
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$10,124 USD
View
A
Retailer 3
-
$10,318 USD
View
A
Retailer 4
-
$10,811 USD
View
A
Retailer 5
-
$10,832 USD
CA$15,044 CAD
View
Retailer 6
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$11,243 USD
View
Price last confirmed 7 days ago
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Retailer 7
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$12,380 USD
View
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Retailer 8
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$12,541 USD
View
Retailer 9
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$12,541 USD
View
Price last confirmed 15 days ago
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Retailer 10
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$12,767 USD
View
A
Retailer 11
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$12,973 USD
View
Retailer 12
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$13,121 USD
View
Price last confirmed 8 days ago
B+
Retailer 13
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$16,088 USD
£12,667 GBP
View
B+
Retailer 14
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$19,827 USD
£15,612 GBP
View
B+
Retailer 15
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$20,782 USD
£16,364 GBP
View
Retailer 16
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$20,879 USD
View
Price last confirmed 10 days ago
B+
Retailer 17
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$22,098 USD
€21,046 EUR
View
B
Retailer 18
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$22,981 USD
View
B
Retailer 19
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$23,050 USD
View
B+
Retailer 20
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$23,050 USD
View
B
Retailer 21
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$29,349 USD
ZAR 474,137 ZAR
View
B
Retailer 22
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$31,536 USD
View
B
Retailer 23
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$34,511 USD
View
B
Retailer 24
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$35,034 USD
View
Retailer 25
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$36,372 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Taylor and Hart
YBGTPGS · Oct 26
$40,304 USD
View
25 more retailers have this diamond
Prices start from $10,020 USDSave up to $30,284 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
4.39ct Marquise
$10,020 USD