Marquise|Lab Grown|IGI

4.27ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG826611285

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG826611285

Diamond specifications and retailer prices

From $12,220 CAD
$8,748 USD
As of October 30, 2026
Save $32,653 CAD (73%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $44,874 CAD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.27ct lab-grown marquise diamond

This 4.27ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG826611285 or 826611285. Listed at 24 retailers as of October 30, 2026, with prices from $12,220 to $44,874, a $32,653 spread on the same certified stone. Taylor and Hart lists it at $44,874. 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

4.27
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826611285
Dimensions16.17 × 8.59 × 5.26 mm
L/W Ratio1.88
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.17 mm8.59 mm4.27 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826611285
Side View
Table 60.0%Crown 34.8°Girdle: MED-STKPavilion 40.1°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 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $25,807 CAD|Low: $10,767 CAD|High: $71,410 CAD|Avg: $24,387 CAD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
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Retailer 10
Retailer 11
Retailer 12
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Retailer 19
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Retailer 22
Taylor and Hart
November 1, 2026
Retailer 20$12,220 CAD
Retailer 18$12,743 CAD
Retailer 14$12,971 CAD
Retailer 8$13,076 CAD
Retailer 11$14,039 CAD
Retailer 5$14,060 CAD
Retailer 4$14,174 CAD
Retailer 22$14,174 CAD
Retailer 2$15,941 CAD
Retailer 21$16,194 CAD
Retailer 6$16,447 CAD
Retailer 16$17,063 CAD
Retailer 7$20,309 CAD
Retailer 3$22,307 CAD
Retailer 17$22,485 CAD
Retailer 1$25,807 CAD
Retailer 12$30,171 CAD
Retailer 19$32,084 CAD
Retailer 15$32,217 CAD
Retailer 9$37,005 CAD
Retailer 13$39,479 CAD
Taylor and Hart$44,874 CAD
Retailer 10$71,410 CAD

36 data points across 23 retailers

24 retailers$12,220 CAD to $44,874 CAD

A
Cheapest Retailer
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$12,220 CAD
$8,748 USD
A
Retailer 2
-
$12,709 CAD
$9,098 USD
View
A
Retailer 3
-
$12,743 CAD
$9,122 USD
View
A
Retailer 4
-
$12,971 CAD
View
A
Retailer 5
-
$13,076 CAD
$9,361 USD
View
A
Retailer 6
-
$14,039 CAD
$10,050 USD
View
A
Retailer 7
-
$14,060 CAD
$10,065 USD
View
A
Retailer 8
-
$14,174 CAD
$10,147 USD
View
Retailer 9
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$14,174 CAD
$10,147 USD
View
Price last confirmed 16 days ago
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Retailer 10
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$15,941 CAD
$11,412 USD
View
A
Retailer 11
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$16,194 CAD
$11,593 USD
View
A
Retailer 12
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$16,447 CAD
$11,774 USD
View
Final sale: no returns
A
Retailer 13
-
$17,063 CAD
£9,618 GBP
View
B+
Retailer 14
-
$20,309 CAD
£11,448 GBP
View
B+
Retailer 15
-
$22,307 CAD
$15,969 USD
View
B+
Retailer 16
-
$22,485 CAD
€15,330 EUR
View
B+
Retailer 17
-
$25,807 CAD
£14,547 GBP
View
B+
Retailer 18
-
$30,171 CAD
ZAR 348,926 ZAR
View
B
Retailer 19
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$32,084 CAD
$22,968 USD
View
B
Retailer 20
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$32,217 CAD
$23,063 USD
View
Retailer 21
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$37,005 CAD
$26,491 USD
View
Price last confirmed 8 days ago
B
Retailer 22
-
$39,479 CAD
$28,262 USD
View
Most Expensive
B
Taylor and Hart
NC40QQR · Oct 31
$44,874 CAD
$32,124 USD
View
22 more retailers have this diamond
Prices start from $12,220 CADSave up to $32,653 CAD

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
4.27ct Marquise
$12,220 CAD