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Princess|Lab Grown|IGI

3.06ct D SI1 Princess Lab Grown Diamond

GD • D/SI1 • IGI LG750575728

Shape and cutting style on the report: Princess cut

Certificate IGI LG750575728

Diamond specifications and retailer prices

From £469 GBP
$628 USD
As of October 30, 2026
Save £3,509 GBP (88%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £3,978 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 3.06ct lab-grown princess diamond

This 3.06ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG750575728 or 750575728. Listed at 8 retailers as of October 30, 2026, with prices from £469 to £3,978, a £3,509 spread on the same certified stone. Do Amore Diamonds lists it at £3,978. 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

3.06
Carat
D
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.2°
Pavilion angle37°
OriginLab Grown
Grading LabIGI
CertificateIGI LG750575728
Dimensions8.10 × 7.94 × 5.41 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.10 mm7.94 mm3.06 ctD / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG750575728
Side View
Table 70.0%Crown 43.2°Girdle: MediumPavilion 37°Culet: NoneDepth 68.1%

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: £3,978 GBP|Low: £450 GBP|High: £3,978 GBP|Avg: £1,361 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 29, 2026
Retailer 5£469 GBP
Retailer 8£510 GBP
Retailer 10£600 GBP
Retailer 9£773 GBP
Retailer 4£892 GBP
Retailer 3£979 GBP
Retailer 11£1,077 GBP
Retailer 7£1,687 GBP
Retailer 6£1,784 GBP
Retailer 2£2,369 GBP
Do Amore Diamonds£3,978 GBP

24 data points across 11 retailers

8 retailers£469 GBP to £3,978 GBP

A
Cheapest Retailer
-
£469 GBP
$628 USD
A
Retailer 2
-
£510 GBP
$683 USD
View
B+
Retailer 3
-
£773 GBP
$1,036 USD
View
B
Retailer 4
-
£892 GBP
$1,195 USD
View
B
Retailer 5
-
£1,687 GBP
$2,260 USD
View
Retailer 6
-
£1,784 GBP
$2,390 USD
View
Price last confirmed 13 days ago
B
Retailer 7
-
£2,369 GBP
View
Most Expensive
C
Do Amore Diamonds
7-1733697 · Oct 31
£3,978 GBP
$5,330 USD
View
7 more retailers have this diamond
Prices start from £469 GBPSave up to £3,509 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
3.06ct Princess
£469 GBP