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Marquise|Lab Grown|IGI

4.00ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG600351038

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG600351038

Diamond specifications and retailer prices

From $9,249 AUD
$6,497 USD
As of October 31, 2026
Save $37,509 AUD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $46,758 AUD at Michael Trio · As of October 31, 2026
View at Michael Trio

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG600351038 or 600351038. Listed at 25 retailers as of October 31, 2026, with prices from $9,249 to $46,758, a $37,509 spread on the same certified stone. Michael Trio lists it at $46,758. 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

4.00
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG600351038
Dimensions16.20 × 8.33 × 5.18 mm
L/W Ratio1.94
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
16.20 mm8.33 mm4.00 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG600351038
Side View
Table 63.0%Crown 35.5°Girdle: Slightly ThickPavilion 40°Culet: NoneDepth 62.2%

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 31
Current: $46,758 AUD|Low: $8,264 AUD|High: $64,475 AUD|Avg: $22,019 AUD
Michael Trio
Retailer 2
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Retailer 23
October 29, 2026
Retailer 11$9,249 AUD
Retailer 23$10,332 AUD
Retailer 7$10,629 AUD
Retailer 6$10,745 AUD
Retailer 8$11,571 AUD
Retailer 21$11,916 AUD
Retailer 4$11,985 AUD
Retailer 9$12,565 AUD
Retailer 18$13,343 AUD
Retailer 20$13,551 AUD
Retailer 10$13,739 AUD
Retailer 5$14,879 AUD
Retailer 13$16,274 AUD
Retailer 15$18,962 AUD
Retailer 3$19,802 AUD
Retailer 17$24,691 AUD
Retailer 2$28,160 AUD
Retailer 19$29,135 AUD
Retailer 22$30,778 AUD
Retailer 12$32,987 AUD
Retailer 14$42,992 AUD
Michael Trio$46,758 AUD
Retailer 16$64,475 AUD

34 data points across 23 retailers

25 retailers$9,249 AUD to $46,758 AUD

A
Cheapest Retailer
-
$9,249 AUD
$6,497 USD
A
Retailer 2
-
$10,332 AUD
$7,258 USD
View
A
Retailer 3
-
$10,629 AUD
$7,466 USD
View
A
Retailer 4
-
$10,745 AUD
$7,548 USD
View
A
Retailer 5
-
$11,571 AUD
$8,128 USD
View
Final sale: no returns
A
Retailer 6
-
$11,916 AUD
$8,370 USD
View
Retailer 7
-
$11,985 AUD
$8,419 USD
View
Price last confirmed 15 days ago
A
Retailer 8
-
$11,985 AUD
$8,419 USD
View
Retailer 9
-
$12,565 AUD
£6,950 GBP
View
Price last confirmed 22 days ago
A
Retailer 10
-
$13,343 AUD
$9,373 USD
View
A
Retailer 11
-
$13,551 AUD
$9,519 USD
View
A
Retailer 12
-
$13,739 AUD
HK$75,400 HKD
View
A
Retailer 13
-
$14,879 AUD
$10,452 USD
View
A
Retailer 14
-
$16,274 AUD
£9,001 GBP
View
B+
Retailer 15
-
$18,962 AUD
£10,488 GBP
View
B+
Retailer 16
-
$19,802 AUD
$13,910 USD
View
B+
Retailer 17
-
$24,691 AUD
£13,657 GBP
View
B+
Retailer 18
-
$28,160 AUD
ZAR 319,563 ZAR
View
Retailer 19
-
$29,135 AUD
View
Price last confirmed 9 days ago
B
Retailer 20
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$30,694 AUD
$21,561 USD
View
B
Retailer 21
-
$30,778 AUD
$21,620 USD
View
B
Retailer 22
-
$32,987 AUD
$23,172 USD
View
B
Retailer 23
-
$42,992 AUD
$30,199 USD
View
Most Expensive
B
Michael Trio
8520502180 · Oct 31
$46,758 AUD
SGD 44,385 SGD
View
23 more retailers have this diamond
Prices start from $9,249 AUDSave up to $37,509 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
4.00ct Marquise
$9,249 AUD