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Round|Lab Grown|IGI

4.03ct E FL Round Lab Grown Diamond

ID • E/FL • IGI LG825634502

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825634502

Diamond specifications and retailer prices

From $4,590 AUD
$3,224 USD
As of October 29, 2026
Save $15,953 AUD (78%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,543 AUD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 4.03ct lab-grown round diamond

This 4.03ct lab-grown round 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 LG825634502 or 825634502. Listed at 21 retailers as of October 29, 2026, with prices from $4,590 to $20,543, a $15,953 spread on the same certified stone. Brilliant Earth lists it at $20,543. 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

4.03
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825634502
Dimensions10.33 × 10.26 × 6.29 mm
L/W Ratio1.01
Girdle conditionFaceted
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
10.33 mm10.26 mm4.03 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825634502
Side View
Table 55.0%Crown 33.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.1%

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 29
Current: $20,543 AUD|Low: $4,193 AUD|High: $25,525 AUD|Avg: $9,103 AUD|-19.5%
Brilliant Earth
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
October 31, 2026
Retailer 10$4,368 AUD
Retailer 4$4,590 AUD
Retailer 13$4,681 AUD
Retailer 8$4,904 AUD
Retailer 21$4,983 AUD
Retailer 12$5,067 AUD
Retailer 14$5,067 AUD
Retailer 20$6,129 AUD
Retailer 2$6,154 AUD
Retailer 11$6,331 AUD
Retailer 15$6,398 AUD
Retailer 7$7,146 AUD
Retailer 18$7,571 AUD
Retailer 16$10,121 AUD
Retailer 9$10,229 AUD
Retailer 3$11,943 AUD
Retailer 17$12,115 AUD
Retailer 5$12,456 AUD
Retailer 19$13,225 AUD
Retailer 6$16,564 AUD
Brilliant Earth$20,543 AUD

25 data points across 21 retailers

21 retailers$4,590 AUD to $20,543 AUD

Retailer 1
-
$4,368 AUD
$3,068 USD
Price last confirmed 20 days ago
A
Retailer 2
-
$4,590 AUD
$3,224 USD
View
Final sale: no returns
A
Retailer 3
-
$4,681 AUD
£2,589 GBP
View
A
Retailer 4
-
$4,904 AUD
$3,445 USD
View
A
Retailer 5
-
$4,983 AUD
$3,500 USD
View
Retailer 6
-
$5,067 AUD
$3,559 USD
View
Price last confirmed 28 days ago
Retailer 7
-
$5,067 AUD
$3,559 USD
View
Price last confirmed 20 days ago
A
Retailer 8
-
$6,129 AUD
$4,305 USD
View
A
Retailer 9
-
$6,154 AUD
$4,323 USD
View
Retailer 10
-
$6,331 AUD
$4,447 USD
View
Price last confirmed 23 days ago
A
Retailer 11
-
$6,398 AUD
£3,539 GBP
View
A
Retailer 12
-
$7,146 AUD
$5,020 USD
View
A
Retailer 13
-
$7,571 AUD
€5,065 EUR
View
B+
Retailer 14
-
$10,121 AUD
ZAR 114,849 ZAR
View
Retailer 15
-
$10,229 AUD
$7,185 USD
View
Price last confirmed 12 days ago
B+
Retailer 16
-
$11,943 AUD
$8,389 USD
View
B+
Retailer 17
-
$12,115 AUD
£6,701 GBP
View
B+
Retailer 18
-
$12,456 AUD
$8,749 USD
View
B+
Retailer 19
-
$13,225 AUD
$9,290 USD
View
B+
Retailer 20
-
$16,564 AUD
$11,636 USD
View
Most Expensive
B
Brilliant Earth
21580695A · Oct 30
$20,543 AUD
$14,430 USD
View
20 more retailers have this diamond
Prices start from $4,590 AUDSave up to $15,953 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
4.03ct Round
$4,590 AUD