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 $12,865 AUD
$9,037 USD
As of October 31, 2026
Save $40,210 AUD (76%) vs most expensive(unlock to see where)
28 retailers carry this diamond
Most expensive: $53,075 AUD 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 $12,865 to $53,075, a $40,210 spread on the same certified stone. Taylor and Hart lists it at $53,075. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $27,543 AUD|Low: $12,865 AUD|High: $85,444 AUD|Avg: $27,699 AUD
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
Retailer 14
Retailer 15
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Retailer 17
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Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Taylor and Hart
November 1, 2026
Retailer 11$12,865 AUD
Retailer 15$13,086 AUD
Retailer 8$13,694 AUD
Retailer 24$13,888 AUD
Retailer 22$14,242 AUD
Retailer 2$15,577 AUD
Retailer 5$15,885 AUD
Retailer 10$15,885 AUD
Retailer 23$16,433 AUD
Retailer 14$16,569 AUD
Retailer 12$16,855 AUD
Retailer 16$17,465 AUD
Retailer 19$20,808 AUD
Retailer 3$23,680 AUD
Retailer 20$26,436 AUD
Retailer 1$27,543 AUD
Retailer 21$27,902 AUD
Retailer 6$28,442 AUD
Retailer 4$32,667 AUD
Retailer 18$37,322 AUD
Retailer 17$43,715 AUD
Retailer 9$44,284 AUD
Retailer 7$45,923 AUD
Taylor and Hart$53,075 AUD
Retailer 13$85,444 AUD

32 data points across 25 retailers

28 retailers$12,865 AUD to $53,075 AUD

A
Cheapest Retailer
-
$12,865 AUD
$9,037 USD
A
Retailer 2
-
$13,086 AUD
$9,192 USD
View
A
Retailer 3
-
$13,694 AUD
$9,619 USD
View
A
Retailer 4
-
$13,888 AUD
CA$13,549 CAD
View
A
Retailer 5
-
$14,242 AUD
$10,004 USD
View
A
Retailer 6
-
$15,577 AUD
$10,942 USD
View
A
Retailer 7
-
$15,709 AUD
$11,035 USD
View
A
Retailer 8
-
$15,885 AUD
$11,158 USD
View
A
Retailer 9
-
$16,433 AUD
$11,543 USD
View
Retailer 10
-
$16,569 AUD
$11,639 USD
View
Price last confirmed 25 days ago
A
Retailer 11
-
$16,855 AUD
$11,840 USD
View
Final sale: no returns
A
Retailer 12
-
$17,465 AUD
$12,268 USD
View
A
Retailer 13
-
$20,808 AUD
£11,509 GBP
View
B+
Retailer 14
-
$23,680 AUD
$16,634 USD
View
B+
Retailer 15
-
$25,124 AUD
£13,896 GBP
View
B+
Retailer 16
-
$26,436 AUD
$18,570 USD
View
B+
Retailer 17
-
$27,543 AUD
£15,234 GBP
View
B+
Retailer 18
-
$27,902 AUD
€18,666 EUR
View
B+
Retailer 19
-
$28,442 AUD
$19,979 USD
View
B+
Retailer 20
-
$32,667 AUD
$22,947 USD
View
B+
Retailer 21
-
$37,322 AUD
ZAR 423,530 ZAR
View
B
Retailer 22
-
$43,715 AUD
$30,707 USD
View
B
Retailer 23
-
$44,284 AUD
$31,107 USD
View
Retailer 24
-
$45,923 AUD
$32,258 USD
View
Price last confirmed 8 days ago
B
Retailer 25
-
$53,040 AUD
$37,257 USD
View
Most Expensive
B
Taylor and Hart
L02ABLN · Oct 31
$53,075 AUD
$37,282 USD
View
25 more retailers have this diamond
Prices start from $12,865 AUDSave up to $40,210 AUD

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
$12,865 AUD