Marquise|Lab Grown|IGI

4.52ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG798609301

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG798609301

Diamond specifications and retailer prices

From $9,037 USD
As of October 31, 2026
Save $28,245 USD (76%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $37,282 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.52ct lab-grown marquise diamond

This 4.52ct 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 LG798609301 or 798609301. Listed at 28 retailers as of October 31, 2026, with prices from $9,037 to $37,282, a $28,245 spread on the same certified stone. Taylor and Hart lists it at $37,282. 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

4.52
Carat
E
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG798609301
Dimensions16.61 × 8.57 × 5.40 mm
L/W Ratio1.94
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.61 mm8.57 mm4.52 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG798609301
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 63.0%

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 31
Current: $19,347 USD|Low: $9,037 USD|High: $60,020 USD|Avg: $19,457 USD
Retailer 1
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Retailer 24
Taylor and Hart
November 1, 2026
Retailer 11$9,037 USD
Retailer 15$9,192 USD
Retailer 8$9,619 USD
Retailer 24$9,755 USD
Retailer 22$10,004 USD
Retailer 2$10,942 USD
Retailer 5$11,158 USD
Retailer 10$11,158 USD
Retailer 23$11,543 USD
Retailer 14$11,639 USD
Retailer 12$11,840 USD
Retailer 16$12,268 USD
Retailer 19$14,616 USD
Retailer 3$16,634 USD
Retailer 20$18,570 USD
Retailer 1$19,347 USD
Retailer 21$19,599 USD
Retailer 6$19,979 USD
Retailer 4$22,947 USD
Retailer 18$26,217 USD
Retailer 17$30,707 USD
Retailer 9$31,107 USD
Retailer 7$32,258 USD
Taylor and Hart$37,282 USD
Retailer 13$60,020 USD

32 data points across 25 retailers

28 retailers$9,037 USD to $37,282 USD

A
Cheapest Retailer
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$9,037 USD
A
Retailer 2
-
$9,192 USD
View
A
Retailer 3
-
$9,619 USD
View
A
Retailer 4
-
$9,755 USD
CA$13,549 CAD
View
A
Retailer 5
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$10,004 USD
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A
Retailer 6
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$10,942 USD
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A
Retailer 7
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$11,035 USD
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A
Retailer 8
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$11,158 USD
View
A
Retailer 9
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$11,543 USD
View
Retailer 10
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$11,639 USD
View
Price last confirmed 25 days ago
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Retailer 11
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$11,840 USD
View
Final sale: no returns
A
Retailer 12
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$12,268 USD
View
A
Retailer 13
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$14,616 USD
£11,509 GBP
View
B+
Retailer 14
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$16,634 USD
View
B+
Retailer 15
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$17,648 USD
£13,896 GBP
View
B+
Retailer 16
-
$18,570 USD
View
B+
Retailer 17
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$19,347 USD
£15,234 GBP
View
B+
Retailer 18
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$19,599 USD
€18,666 EUR
View
B+
Retailer 19
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$19,979 USD
View
B+
Retailer 20
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$22,947 USD
View
B+
Retailer 21
-
$26,217 USD
ZAR 423,530 ZAR
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B
Retailer 22
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$30,707 USD
View
B
Retailer 23
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$31,107 USD
View
Retailer 24
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$32,258 USD
View
Price last confirmed 8 days ago
B
Retailer 25
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$37,257 USD
View
Most Expensive
B
Taylor and Hart
L02ABLN · Oct 31
$37,282 USD
View
25 more retailers have this diamond
Prices start from $9,037 USDSave up to $28,245 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
4.52ct Marquise
$9,037 USD