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Princess|Lab Grown|IGI

3.40ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG804667185

Shape and cutting style on the report: Princess cut

Certificate IGI LG804667185

Diamond specifications and retailer prices

From £1,360 GBP
$1,822 USD
As of October 30, 2026
Save £7,992 GBP (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £13,458 GBP at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 3.4ct lab-grown princess diamond

This 3.4ct lab-grown princess sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804667185 or 804667185. Listed at 19 retailers as of October 30, 2026, with a 588% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.40
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804667185
Dimensions8.30 × 8.24 × 5.52 mm
L/W Ratio1.01
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.30 mm8.24 mm3.40 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804667185
Side View
Table 65.0%Crown 41.4°Girdle: Slightly ThickPavilion 35.5°Culet: NoneDepth 67.0%

Caratlytics Score

How it works →
A+
Exceptional
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: £13,458 GBP|Low: £1,122 GBP|High: £13,458 GBP|Avg: £4,120 GBP|+1.2%
Novita Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 7
Retailer 8
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 30, 2026
Retailer 17£1,360 GBP
Retailer 7£1,479 GBP
Retailer 10£1,572 GBP
Retailer 19£1,656 GBP
Retailer 5£1,702 GBP
Retailer 12£2,078 GBP
Retailer 13£2,194 GBP
Retailer 6£2,393 GBP
Retailer 18£2,473 GBP
Retailer 3£2,653 GBP
Retailer 16£2,725 GBP
Retailer 14£2,819 GBP
Retailer 8£4,022 GBP
Retailer 9£4,709 GBP
Retailer 15£4,998 GBP
Retailer 2£7,008 GBP
Retailer 11£7,356 GBP
Retailer 4£9,352 GBP
Novita Diamonds£13,458 GBP

39 data points across 19 retailers

19 retailers£1,360 GBP to £9,352 GBP

A+
Cheapest Retailer
-
£1,360 GBP
$1,822 USD
A
Retailer 2
-
£1,479 GBP
$1,982 USD
View
A
Retailer 3
-
£1,572 GBP
$2,106 USD
View
Final sale: no returns
A
Retailer 4
-
£1,656 GBP
$2,219 USD
View
A
Retailer 5
-
£1,702 GBP
$2,280 USD
View
A
Retailer 6
-
£2,078 GBP
View
A
Retailer 7
-
£2,194 GBP
$2,940 USD
View
A
Retailer 8
-
£2,393 GBP
$3,206 USD
View
A
Retailer 9
-
£2,452 GBP
$3,286 USD
View
A
Retailer 10
-
£2,473 GBP
$3,313 USD
View
A
Retailer 11
-
£2,653 GBP
$3,555 USD
View
A
Retailer 12
-
£2,819 GBP
€3,597 EUR
View
Retailer 13
-
£4,022 GBP
A$8,291 AUD
View
Price last confirmed 8 days ago
Retailer 14
-
£4,709 GBP
$6,310 USD
View
Price last confirmed 12 days ago
B+
Retailer 15
-
£4,998 GBP
View
B+
Retailer 16
-
£7,008 GBP
$9,390 USD
View
B
Retailer 17
-
£7,356 GBP
$9,856 USD
View
B
Retailer 18
-
£9,352 GBP
$12,530 USD
View
Most Expensive
Novita Diamonds
cert_804667185 · Oct 8
£13,458 GBP
A$27,742 AUD
View
Price last confirmed 21 days ago
18 more retailers have this diamond
Prices start from £1,360 GBPSave up to £7,992 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+
3.40ct Princess
£1,360 GBP