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Princess|Lab Grown|IGI

3.00ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG678516331

Shape and cutting style on the report: Princess cut

Certificate IGI LG678516331

Diamond specifications and retailer prices

From £1,602 GBP
$2,134 USD
As of October 29, 2026
Save £4,031 GBP (72%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £5,634 GBP at Taylor and Hart · As of October 27, 2026
View at Taylor and Hart

About this 3ct lab-grown princess diamond

This 3ct lab-grown princess sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG678516331 or 678516331. Listed at 7 retailers as of October 27, 2026, with prices from £1,602 to £5,634, a £4,031 spread on the same certified stone. Taylor and Hart lists it at £5,634. 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

3.00
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.1°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG678516331
Dimensions7.74 × 7.72 × 5.75 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.74 mm7.72 mm3.00 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG678516331
Side View
Table 77.0%Crown 46.1°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 74.5%

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: £2,204 GBP|Low: £1,530 GBP|High: £5,634 GBP|Avg: £2,907 GBP|-0.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Taylor and Hart
October 29, 2026
Retailer 5£1,602 GBP
Retailer 6£1,794 GBP
Retailer 1£2,204 GBP
Retailer 4£2,289 GBP
Retailer 2£2,418 GBP
Retailer 3£4,617 GBP
Taylor and Hart£5,634 GBP

41 data points across 7 retailers

7 retailers£1,602 GBP to £5,634 GBP

A
Cheapest Retailer
-
£1,602 GBP
$2,134 USD
A
Retailer 2
-
£1,794 GBP
$2,389 USD
View
A
Retailer 3
-
£2,204 GBP
View
A
Retailer 4
-
£2,289 GBP
$3,048 USD
View
A
Retailer 5
-
£2,418 GBP
€3,067 EUR
View
B+
Retailer 6
-
£4,617 GBP
View
Most Expensive
B+
Taylor and Hart
OOFWIQM · Oct 27
£5,634 GBP
$7,503 USD
View
6 more retailers have this diamond
Prices start from £1,602 GBPSave up to £4,031 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
3.00ct Princess
£1,602 GBP