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Oval|Lab Grown|IGI

3.03ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG813614615

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG813614615

Diamond specifications and retailer prices

From £314 GBP
$421 USD
As of October 29, 2026
Save £1,126 GBP (78%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £1,562 GBP at Michael Trio · As of October 13, 2026
View at Michael Trio

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 top-tier cut grade and certified by IGI LG813614615 or 813614615. Listed at 9 retailers as of October 29, 2026, with a 358% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.03
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813614615
Dimensions11.70 × 8.06 × 5.03 mm
L/W Ratio1.45
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.70 mm8.06 mm3.03 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813614615
Side View
Table 62.0%Crown 36.4°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 62.4%

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 29
Current: £1,562 GBP|Low: £302 GBP|High: £1,580 GBP|Avg: £859 GBP|+2.6%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6£314 GBP
Retailer 4£352 GBP
Retailer 9£534 GBP
Retailer 7£619 GBP
Retailer 10£671 GBP
Retailer 5£1,094 GBP
Retailer 3£1,097 GBP
Retailer 8£1,254 GBP
Retailer 2£1,440 GBP
Michael Trio£1,562 GBP

26 data points across 10 retailers

9 retailers£314 GBP to £1,440 GBP

A
Cheapest Retailer
-
£314 GBP
$421 USD
A
Retailer 2
-
£352 GBP
$472 USD
View
Retailer 3
-
£534 GBP
View
Price last confirmed 13 days ago
A
Retailer 4
-
£671 GBP
$899 USD
View
B+
Retailer 5
-
£1,094 GBP
$1,466 USD
View
B
Retailer 6
-
£1,097 GBP
$1,470 USD
View
B+
Retailer 7
-
£1,254 GBP
$1,680 USD
View
B
Retailer 8
-
£1,440 GBP
View
Most Expensive
Michael Trio
5735614830 · Oct 13
£1,562 GBP
SGD 2,829 SGD
View
Price last confirmed 17 days ago
8 more retailers have this diamond
Prices start from £314 GBPSave up to £1,126 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
£314 GBP