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Marquise|Lab Grown|IGI

4.26ct E FL Marquise Lab Grown Diamond

EX • E/FL • IGI LG793637246

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG793637246

Diamond specifications and retailer prices

From $12,200 AUD
$8,570 USD
As of October 31, 2026
Save $39,008 AUD (76%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $51,208 AUD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 4.26ct lab-grown marquise diamond

This 4.26ct 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 LG793637246 or 793637246. Listed at 20 retailers as of October 31, 2026, with prices from $12,200 to $51,208, a $39,008 spread on the same certified stone. Taylor and Hart lists it at $51,208. 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

4.26
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG793637246
Dimensions16.51 × 8.48 × 5.30 mm
L/W Ratio1.95
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.51 mm8.48 mm4.26 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG793637246
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

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: $26,579 AUD|Low: $10,947 AUD|High: $76,732 AUD|Avg: $27,022 AUD|+1.3%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Taylor and Hart
November 1, 2026
Retailer 8$12,200 AUD
Retailer 3$12,431 AUD
Retailer 20$13,188 AUD
Retailer 19$14,904 AUD
Retailer 18$14,905 AUD
Retailer 2$15,617 AUD
Retailer 17$15,886 AUD
Retailer 12$16,467 AUD
Retailer 22$19,616 AUD
Retailer 23$22,681 AUD
Retailer 13$22,776 AUD
Retailer 16$22,845 AUD
Retailer 9$23,713 AUD
Retailer 4$24,102 AUD
Retailer 1$26,579 AUD
Retailer 10$26,805 AUD
Retailer 5$32,756 AUD
Retailer 21$35,217 AUD
Retailer 15$37,624 AUD
Retailer 7$41,251 AUD
Retailer 11$41,762 AUD
Taylor and Hart$51,208 AUD
Retailer 14$74,086 AUD
Retailer 6$76,732 AUD

21 data points across 24 retailers

20 retailers$12,200 AUD to $51,208 AUD

A
Cheapest Retailer
-
$12,200 AUD
$8,570 USD
A
Retailer 2
-
$12,431 AUD
$8,732 USD
View
A
Retailer 3
-
$13,188 AUD
CA$12,866 CAD
View
A
Retailer 4
-
$14,055 AUD
$9,873 USD
View
A
Retailer 5
-
$14,904 AUD
$10,469 USD
View
A
Retailer 6
-
$14,905 AUD
$10,470 USD
View
A
Retailer 7
-
$15,886 AUD
$11,159 USD
View
Final sale: no returns
A
Retailer 8
-
$16,467 AUD
$11,567 USD
View
B+
Retailer 9
-
$19,616 AUD
£10,850 GBP
View
B+
Retailer 10
-
$22,681 AUD
$15,932 USD
View
B+
Retailer 11
-
$23,713 AUD
£13,116 GBP
View
B+
Retailer 12
-
$24,102 AUD
$16,930 USD
View
B+
Retailer 13
-
$26,579 AUD
£14,701 GBP
View
B+
Retailer 14
-
$26,805 AUD
$18,829 USD
View
B
Retailer 15
-
$32,756 AUD
$23,009 USD
View
B
Retailer 16
-
$35,217 AUD
ZAR 399,648 ZAR
View
B
Retailer 17
-
$41,251 AUD
$28,976 USD
View
B
Retailer 18
-
$41,762 AUD
$29,336 USD
View
Most Expensive
B
Taylor and Hart
VU6VJ2G · Oct 31
$51,208 AUD
$35,971 USD
View
18 more retailers have this diamond
Prices start from $12,200 AUDSave up to $39,008 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
4.26ct Marquise
$12,200 AUD