Oval|Lab Grown|IGI

4.28ct E FL Oval Lab Grown Diamond

EX • E/FL • IGI LG814620481

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG814620481

Diamond specifications and retailer prices

From $6,849 AUD
$4,811 USD
As of October 29, 2026
Save $33,166 AUD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $40,015 AUD at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.28ct lab-grown oval diamond

This 4.28ct lab-grown oval 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 LG814620481 or 814620481. Listed at 23 retailers as of October 29, 2026, with prices from $6,849 to $40,015, a $33,166 spread on the same certified stone. With Clarity lists it at $40,015. 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

4.28
Carat
E
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814620481
Dimensions13.61 × 9.30 × 5.51 mm
L/W Ratio1.46
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.61 mm9.30 mm4.28 ctE / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814620481
Side View
Table 61.0%Crown 34.3°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.2%

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: $16,798 AUD|Low: $5,912 AUD|High: $24,728 AUD|Avg: $13,944 AUD|-32.1%
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
October 30, 2026
Retailer 9$7,669 AUD
Retailer 13$7,986 AUD
Retailer 12$8,247 AUD
Retailer 5$9,858 AUD
Retailer 7$10,119 AUD
Retailer 3$11,238 AUD
Retailer 11$12,321 AUD
Retailer 6$12,666 AUD
Retailer 2$13,353 AUD
Retailer 10$16,254 AUD
Retailer 1$16,798 AUD
Retailer 8$16,910 AUD
Retailer 14$17,782 AUD
Retailer 4$20,321 AUD

41 data points across 14 retailers

23 retailers$6,849 AUD to $40,015 AUD

A
Cheapest Retailer
-
$6,849 AUD
$4,811 USD
A
Retailer 2
-
$7,178 AUD
$5,042 USD
View
A
Retailer 3
-
$7,445 AUD
CA$7,263 CAD
View
A
Retailer 4
-
$7,669 AUD
$5,387 USD
View
Final sale: no returns
Retailer 5
-
$7,945 AUD
$5,581 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$7,945 AUD
$5,581 USD
View
A
Retailer 7
-
$7,986 AUD
$5,610 USD
View
A
Retailer 8
-
$8,247 AUD
$5,793 USD
View
B+
Retailer 9
-
$9,858 AUD
$6,925 USD
View
B+
Retailer 10
-
$9,928 AUD
$6,974 USD
View
B+
Retailer 11
-
$10,119 AUD
£5,597 GBP
View
B+
Retailer 12
-
$11,238 AUD
£6,216 GBP
View
B+
Retailer 13
-
$13,353 AUD
$9,380 USD
View
B+
Retailer 14
-
$16,254 AUD
£8,990 GBP
View
B+
Retailer 15
-
$16,798 AUD
$11,800 USD
View
B+
Retailer 16
-
$16,910 AUD
ZAR 191,893 ZAR
View
B
Retailer 17
-
$17,782 AUD
$12,491 USD
View
B
Retailer 18
-
$20,321 AUD
$14,275 USD
View
B
Retailer 19
-
$21,253 AUD
$14,929 USD
View
B
Retailer 20
-
$22,086 AUD
$15,514 USD
View
B
Retailer 21
-
$22,786 AUD
$16,006 USD
View
B
Retailer 22
-
$28,471 AUD
$20,000 USD
View
Most Expensive
B
With Clarity
814620481 · Oct 30
$40,015 AUD
$28,108 USD
View
22 more retailers have this diamond
Prices start from $6,849 AUDSave up to $33,166 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
4.28ct Oval
$6,849 AUD