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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 $4,811 USD
As of October 29, 2026
Save $23,297 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $28,108 USD 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 $4,811 to $28,108, a $23,297 spread on the same certified stone. With Clarity lists it at $28,108. 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
Color
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: $7,108 USD|Low: $4,153 USD|High: $17,370 USD|Avg: $9,805 USD|+0.4%
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 8$5,387 USD
Retailer 12$5,610 USD
Retailer 11$5,793 USD
Retailer 5$6,925 USD
Retailer 1$7,108 USD
Retailer 3$7,894 USD
Retailer 10$8,655 USD
Retailer 6$8,897 USD
Retailer 14$9,380 USD
Retailer 9$11,417 USD
Retailer 7$11,878 USD
Retailer 13$12,491 USD
Retailer 4$14,275 USD
Retailer 2$16,850 USD

42 data points across 14 retailers

23 retailers$4,811 USD to $28,108 USD

A
Cheapest Retailer
-
$4,811 USD
A
Retailer 2
-
$5,042 USD
View
A
Retailer 3
-
$5,230 USD
CA$7,263 CAD
View
A
Retailer 4
-
$5,387 USD
View
Final sale: no returns
Retailer 5
-
$5,581 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
$5,581 USD
View
A
Retailer 7
-
$5,610 USD
View
A
Retailer 8
-
$5,793 USD
View
B+
Retailer 9
-
$6,925 USD
View
B+
Retailer 10
-
$6,974 USD
View
B+
Retailer 11
-
$7,108 USD
£5,597 GBP
View
B+
Retailer 12
-
$7,894 USD
£6,216 GBP
View
B+
Retailer 13
-
$9,380 USD
View
B+
Retailer 14
-
$11,417 USD
£8,990 GBP
View
B+
Retailer 15
-
$11,878 USD
ZAR 191,893 ZAR
View
B
Retailer 16
-
$12,491 USD
View
B
Retailer 17
-
$14,275 USD
View
B
Retailer 18
-
$14,929 USD
View
B
Retailer 19
-
$15,514 USD
View
B
Retailer 20
-
$16,006 USD
View
B
Retailer 21
-
$16,850 USD
View
B
Retailer 22
-
$20,000 USD
View
Most Expensive
B
With Clarity
814620481 · Oct 30
$28,108 USD
View
22 more retailers have this diamond
Prices start from $4,811 USDSave up to $23,297 USD

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
$4,811 USD