CaratHunter
Plans
Oval|Lab Grown|IGI

3.09ct D SI1 Oval Lab Grown Diamond

EX • D/SI1 • IGI LG699504815

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG699504815

Diamond specifications and retailer prices

From £1,115 GBP
$1,485 USD
As of October 30, 2026
Save £1,664 GBP (60%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,779 GBP at Diamond Exchange Canada · As of October 30, 2026
View at Diamond Exchange Canada

About this 3.09ct lab-grown oval diamond

This 3.09ct 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 LG699504815 or 699504815. Listed at 4 retailers as of October 30, 2026, with prices from £1,115 to £2,779, a £1,664 spread on the same certified stone. Diamond Exchange Canada lists it at £2,779. 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

3.09
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG699504815
Dimensions11.76 × 8.17 × 5.11 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Top View
11.76 mm8.17 mm3.09 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG699504815
Side View
Table 59.0%Crown 37.1°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 62.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,779 GBP|Low: £1,115 GBP|High: £7,111 GBP|Avg: £3,067 GBP|-4.4%
Diamond Exchange Canada
Retailer 2
Retailer 3
Retailer 4
October 8, 2026
Retailer 2£1,115 GBP
Retailer 3£1,399 GBP
Diamond Exchange Canada£2,779 GBP
Retailer 4£6,796 GBP

4 data points across 4 retailers

4 retailers£1,115 GBP to £2,779 GBP

B+
Cheapest Retailer
-
£1,115 GBP
$1,485 USD
B
Retailer 2
-
£1,399 GBP
$1,863 USD
View
Most Expensive
B
Diamond Exchange Canada
1989707558 · Oct 30
£2,779 GBP
CA$5,139 CAD
View
2 more retailers have this diamond
Prices start from £1,115 GBPSave up to £1,664 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.

B+
3.09ct Oval
£1,115 GBP