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Oval|Lab Grown|IGI

3.03ct D SI1 Oval Lab Grown Diamond

VG • D/SI1 • IGI LG828678459

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG828678459

Diamond specifications and retailer prices

From £325 GBP
$436 USD
As of October 30, 2026
Save £2,660 GBP (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,985 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct lab-grown oval sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG828678459 or 828678459. Listed at 11 retailers as of October 29, 2026, with prices from £325 to £2,985, a £2,660 spread on the same certified stone. Brilliant Earth lists it at £2,985. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG828678459
Dimensions11.80 × 8.01 × 4.92 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.80 mm8.01 mm3.03 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG828678459
Side View
Table 61.0%Crown 34.7°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 61.4%

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: £2,985 GBP|Low: £325 GBP|High: £4,933 GBP|Avg: £1,143 GBP|+1.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 11£325 GBP
Retailer 12£484 GBP
Retailer 6£485 GBP
Retailer 10£494 GBP
Retailer 8£599 GBP
Retailer 2£652 GBP
Retailer 7£1,011 GBP
Retailer 3£1,129 GBP
Retailer 4£1,186 GBP
Retailer 9£1,342 GBP
Retailer 5£1,415 GBP
Brilliant Earth£2,985 GBP

40 data points across 12 retailers

11 retailers£325 GBP to £2,985 GBP

A
Cheapest Retailer
-
£325 GBP
$436 USD
Final sale: no returns
B+
Retailer 2
-
£484 GBP
$648 USD
View
A
Retailer 3
-
£485 GBP
$650 USD
View
Retailer 4
-
£494 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
£652 GBP
View
B+
Retailer 6
-
£1,011 GBP
$1,354 USD
View
B
Retailer 7
-
£1,129 GBP
$1,513 USD
View
B
Retailer 8
-
£1,186 GBP
$1,589 USD
View
B
Retailer 9
-
£1,342 GBP
$1,798 USD
View
B
Retailer 10
-
£1,415 GBP
View
Most Expensive
C
Brilliant Earth
21325255A · Oct 29
£2,985 GBP
$4,000 USD
View
10 more retailers have this diamond
Prices start from £325 GBPSave up to £2,660 GBP

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
3.03ct Oval
£325 GBP