CaratHunter
Plans
Marquise|Lab Grown|IGI

4.00ct E FL Marquise Lab Grown Diamond

ID • E/FL • IGI LG764660745

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG764660745

Diamond specifications and retailer prices

From $17,255 AUD
$12,121 USD
As of October 30, 2026
Save $38,532 AUD (69%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $55,788 AUD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG764660745 or 764660745. Listed at 20 retailers as of October 30, 2026, with prices from $17,255 to $55,788, a $38,532 spread on the same certified stone. Reve Diamonds lists it at $55,788. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764660745
Dimensions17.47 × 7.93 × 5.13 mm
L/W Ratio2.20
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
17.47 mm7.93 mm4.00 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764660745
Side View
Table 61.0%Crown 38.4°Girdle: THN-STKPavilion 40.8°Culet: NoneDepth 64.7%

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 30
Current: $23,410 AUD|Low: $16,565 AUD|High: $51,257 AUD|Avg: $24,551 AUD|-1.1%
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
November 2, 2026
Retailer 3$17,255 AUD
Retailer 7$17,261 AUD
Retailer 14$17,946 AUD
Retailer 9$18,356 AUD
Retailer 5$18,468 AUD
Retailer 4$18,760 AUD
Retailer 15$19,878 AUD
Retailer 6$20,017 AUD
Retailer 17$20,017 AUD
Retailer 10$22,362 AUD
Retailer 1$23,410 AUD
Retailer 16$23,988 AUD
Retailer 8$28,682 AUD
Retailer 11$30,012 AUD
Retailer 13$33,656 AUD
Retailer 2$36,611 AUD
Retailer 12$42,608 AUD

39 data points across 17 retailers

20 retailers$17,255 AUD to $55,788 AUD

A
Cheapest Retailer
-
$17,255 AUD
$12,121 USD
A
Retailer 2
-
$17,261 AUD
$12,125 USD
View
A
Retailer 3
-
$17,946 AUD
$12,606 USD
View
B+
Retailer 4
-
$18,356 AUD
$12,894 USD
View
A
Retailer 5
-
$18,468 AUD
$12,973 USD
View
B+
Retailer 6
-
$18,760 AUD
$13,178 USD
View
B+
Retailer 7
-
$19,878 AUD
$13,963 USD
View
Retailer 8
-
$20,002 AUD
$14,050 USD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
$20,017 AUD
$14,061 USD
View
B+
Retailer 10
-
$22,362 AUD
$15,708 USD
View
Final sale: no returns
B+
Retailer 11
-
$23,410 AUD
£12,948 GBP
View
B+
Retailer 12
-
$23,988 AUD
$16,850 USD
View
B
Retailer 13
-
$28,682 AUD
£15,864 GBP
View
B+
Retailer 14
-
$30,012 AUD
£16,600 GBP
View
B
Retailer 15
-
$33,656 AUD
€22,516 EUR
View
B
Retailer 16
-
$36,611 AUD
$25,717 USD
View
B
Retailer 17
-
$42,608 AUD
ZAR 483,514 ZAR
View
B
Retailer 18
-
$48,745 AUD
$34,241 USD
View
Most Expensive
B
Reve Diamonds
166B896A9 · Nov 1
$55,788 AUD
$39,188 USD
View
18 more retailers have this diamond
Prices start from $17,255 AUDSave up to $38,532 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
$17,255 AUD