Marquise|Lab Grown|IGI

5.03ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG806627505

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG806627505

Diamond specifications and retailer prices

From $11,697 USD
As of October 31, 2026
Save $32,771 USD (74%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $44,468 USD at Frank Darling · As of October 29, 2026
View at Frank Darling

About this 5.03ct lab-grown marquise diamond

This 5.03ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG806627505 or 806627505. Listed at 22 retailers as of October 29, 2026, with prices from $11,697 to $44,468, a $32,771 spread on the same certified stone. Frank Darling lists it at $44,468. 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

5.03
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG806627505
Dimensions18.53 × 8.81 × 5.37 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.53 mm8.81 mm5.03 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG806627505
Side View
Table 60.0%Crown 35°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 61.0%

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 31
Current: $44,468 USD|Low: $11,697 USD|High: $58,870 USD|Avg: $23,160 USD
Frank Darling
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October 31, 2026
Retailer 2$11,697 USD
Retailer 4$12,881 USD
Retailer 21$13,352 USD
Retailer 14$13,706 USD
Retailer 8$14,035 USD
Retailer 20$14,112 USD
Retailer 17$15,277 USD
Retailer 25$15,899 USD
Retailer 6$16,447 USD
Retailer 13$16,613 USD
Retailer 3$16,687 USD
Retailer 15$16,978 USD
Retailer 24$19,804 USD
Retailer 26$21,675 USD
Retailer 5$22,170 USD
Retailer 7$22,813 USD
Retailer 19$24,159 USD
Retailer 16$24,343 USD
Retailer 11$25,146 USD
Retailer 27$27,713 USD
Retailer 12$28,303 USD
Retailer 23$35,657 USD
Retailer 18$40,214 USD
Retailer 10$43,750 USD
Retailer 22$44,384 USD
Frank Darling$44,468 USD
Retailer 9$58,870 USD

21 data points across 27 retailers

22 retailers$11,697 USD to $44,468 USD

A
Cheapest Retailer
-
$11,697 USD
A
Retailer 2
-
$12,881 USD
View
A
Retailer 3
-
$13,352 USD
CA$18,544 CAD
View
A
Retailer 4
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$13,706 USD
View
A
Retailer 5
-
$14,035 USD
View
A
Retailer 6
-
$15,018 USD
View
A
Retailer 7
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$15,899 USD
View
A
Retailer 8
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$16,447 USD
View
A
Retailer 9
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$16,613 USD
View
A
Retailer 10
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$16,978 USD
View
Final sale: no returns
A
Retailer 11
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$19,804 USD
£15,594 GBP
View
A
Retailer 12
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$21,675 USD
View
A
Retailer 13
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$22,170 USD
View
A
Retailer 14
-
$22,813 USD
View
A
Retailer 15
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$25,146 USD
£19,800 GBP
View
B+
Retailer 16
-
$27,713 USD
£21,821 GBP
View
B+
Retailer 17
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$28,303 USD
View
B
Retailer 18
-
$35,657 USD
ZAR 576,045 ZAR
View
B
Retailer 19
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$43,750 USD
View
B
Retailer 20
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$44,384 USD
View
Most Expensive
B
Frank Darling
E85390AR · Oct 29
$44,468 USD
View
20 more retailers have this diamond
Prices start from $11,697 USDSave up to $32,771 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
5.03ct Marquise
$11,697 USD