Marquise|Lab Grown|IGI

4.15ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG801699529

Certificate IGI LG801699529

Diamond specifications and retailer prices

From $8,214 USD
Save $27,222 USD (77%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $35,436 USD at Taylor and Hart
View at Taylor and Hart

About this 4.15ct lab-grown marquise diamond

This 4.15ct 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 LG801699529 or 801699529. Listed at 28 retailers, with prices from $8,214 to $35,436 at Taylor and Hart, a $27,222 spread on the same certified stone. 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

4.15
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801699529
Dimensions17.35 × 8.33 × 5.10 mm
L/W Ratio2.08
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.35 mm8.33 mm4.15 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801699529
Side View
Table 61.0%Crown 34.5°Girdle: THN-MEDPavilion 40.4°Culet: NoneDepth 61.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $10,676 USD|Low: $7,807 USD|High: $57,611 USD|Avg: $19,236 USD
Retailer 1
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Retailer 25
Taylor and Hart
September 30, 2026
Retailer 17$7,807 USD
Retailer 23$8,214 USD
Retailer 19$9,820 USD
Retailer 2$10,213 USD
Retailer 24$10,292 USD
Retailer 21$10,535 USD
Retailer 1$10,676 USD
Retailer 4$11,196 USD
Retailer 13$11,234 USD
Retailer 22$11,260 USD
Retailer 6$11,345 USD
Retailer 12$11,391 USD
Retailer 8$13,249 USD
Retailer 9$13,948 USD
Retailer 20$16,322 USD
Retailer 14$17,775 USD
Retailer 3$18,520 USD
Retailer 18$19,738 USD
Retailer 16$22,460 USD
Retailer 7$22,913 USD
Retailer 15$23,336 USD
Retailer 25$23,806 USD
Retailer 5$29,819 USD
Retailer 10$31,735 USD
Taylor and Hart$35,436 USD
Retailer 11$57,611 USD

28 data points across 26 retailers

28 retailers$8,214 USD to $35,436 USD

A
Cheapest Retailer
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$8,214 USD
A
Retailer 2
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$9,579 USD
View
Price last confirmed 19 days ago
A
Retailer 3
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$9,820 USD
View
A
Retailer 4
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$10,213 USD
View
A
Retailer 5
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$10,292 USD
CA$14,294 CAD
View
A
Retailer 6
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$10,535 USD
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A
Retailer 7
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$10,676 USD
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A
Retailer 8
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$11,196 USD
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Retailer 9
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$11,234 USD
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Retailer 10
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$11,260 USD
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Retailer 11
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$11,345 USD
View
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Retailer 12
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$11,391 USD
View
B+
Retailer 13
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$13,249 USD
View
B+
Retailer 14
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$13,938 USD
£10,975 GBP
View
B+
Retailer 15
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$16,322 USD
£12,852 GBP
View
B+
Retailer 16
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$17,775 USD
€16,929 EUR
View
B+
Retailer 17
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$18,520 USD
£14,583 GBP
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B+
Retailer 18
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$19,738 USD
View
B+
Retailer 19
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$20,683 USD
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B
Retailer 20
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$22,460 USD
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B
Retailer 21
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$22,913 USD
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B
Retailer 22
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$23,336 USD
View
Price last confirmed 8 days ago
B
Retailer 23
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$23,530 USD
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Price last confirmed 20 days ago
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Retailer 24
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$23,806 USD
ZAR 384,585 ZAR
View
B
Retailer 25
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$29,819 USD
View
B
Retailer 26
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$31,735 USD
View
Most Expensive
B
Taylor and Hart
HD72UVC · Sep 30
$35,436 USD
View
26 more retailers have this diamond
Prices start from $8,214 USDSave up to $27,222 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.

A
4.15ct Marquise
$8,214 USD