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Marquise|Lab Grown|IGI

5.50ct E IF Marquise Lab Grown Diamond

ID • E/IF • IGI LG754561936

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG754561936

Diamond specifications and retailer prices

From $5,882 USD
As of October 30, 2026
Save $28,774 USD (83%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $34,656 USD at With Clarity · As of October 30, 2026
View at With Clarity

About this 5.5ct lab-grown marquise diamond

This 5.5ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG754561936 or 754561936. Listed at 25 retailers as of October 30, 2026, with prices from $5,882 to $34,656, a $28,774 spread on the same certified stone. With Clarity lists it at $34,656. 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

5.50
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754561936
Dimensions19.09 × 9.20 × 5.46 mm
L/W Ratio2.08
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.09 mm9.20 mm5.50 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754561936
Side View
Table 65.0%Crown 35.8°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 59.3%

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 30
Current: $15,090 USD|Low: $5,567 USD|High: $38,988 USD|Avg: $14,832 USD|-25.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
With Clarity
October 30, 2026
Retailer 9$5,882 USD
Retailer 4$6,165 USD
Retailer 21$6,269 USD
Retailer 15$6,587 USD
Retailer 19$6,820 USD
Retailer 17$6,824 USD
Retailer 3$8,100 USD
Retailer 16$8,749 USD
Retailer 11$8,937 USD
Retailer 6$9,708 USD
Retailer 18$11,258 USD
Retailer 13$11,300 USD
Retailer 7$12,906 USD
Retailer 12$13,863 USD
Retailer 20$13,960 USD
Retailer 1$15,090 USD
Retailer 10$16,016 USD
Retailer 2$16,547 USD
Retailer 5$18,983 USD
Retailer 14$23,345 USD
Retailer 8$23,886 USD
With Clarity$34,656 USD

28 data points across 22 retailers

25 retailers$5,882 USD to $34,656 USD

A
Cheapest Retailer
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$5,882 USD
A
Retailer 2
-
$6,165 USD
View
A
Retailer 3
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$6,269 USD
View
A
Retailer 4
-
$6,587 USD
View
Final sale: no returns
A
Retailer 5
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$6,820 USD
View
A
Retailer 6
-
$6,824 USD
View
Retailer 7
-
$7,646 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$8,100 USD
View
A
Retailer 9
-
$8,749 USD
£6,889 GBP
View
A
Retailer 10
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$8,937 USD
View
Retailer 11
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$9,196 USD
View
Price last confirmed 95 days ago
A
Retailer 12
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$9,708 USD
£7,644 GBP
View
A
Retailer 13
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$11,258 USD
€10,722 EUR
View
A
Retailer 14
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$11,300 USD
View
A
Retailer 15
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$12,245 USD
View
A
Retailer 16
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$12,906 USD
View
A
Retailer 17
-
$13,863 USD
ZAR 223,959 ZAR
View
A
Retailer 18
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$13,960 USD
£10,992 GBP
View
A
Retailer 19
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$15,090 USD
View
Retailer 20
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$16,016 USD
A$24,640 AUD
View
Price last confirmed 8 days ago
A
Retailer 21
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$16,547 USD
View
A
Retailer 22
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$18,983 USD
View
Retailer 23
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$23,345 USD
A$35,915 AUD
View
Price last confirmed 22 days ago
B+
Retailer 24
-
$23,886 USD
View
Most Expensive
B+
With Clarity
754561936 · Oct 30
$34,656 USD
View
24 more retailers have this diamond
Prices start from $5,882 USDSave up to $28,774 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
5.50ct Marquise
$5,882 USD