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Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG735531897

Shape and cutting style on the report: Princess cut

Certificate IGI LG735531897

Diamond specifications and retailer prices

From £452 GBP
$606 USD
As of October 30, 2026
Save £3,563 GBP (89%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £4,015 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735531897 or 735531897. Listed at 19 retailers as of October 30, 2026, with prices from £452 to £4,015, a £3,563 spread on the same certified stone. Do Amore Diamonds lists it at £4,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735531897
Dimensions6.18 × 6.11 × 4.47 mm
L/W Ratio1.01
Culet sizePointed
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
6.18 mm6.11 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735531897
Side View
Table 68.0%Crown 42.6°Girdle: MED-STKPavilion 38.6°Culet: NoneDepth 73.2%

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: £4,015 GBP|Low: £452 GBP|High: £4,672 GBP|Avg: £1,457 GBP|-14.1%
Do Amore Diamonds
Retailer 2
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Retailer 19
October 31, 2026
Retailer 7£452 GBP
Retailer 15£506 GBP
Retailer 16£594 GBP
Retailer 11£597 GBP
Retailer 19£649 GBP
Retailer 2£657 GBP
Retailer 3£730 GBP
Retailer 17£740 GBP
Retailer 13£900 GBP
Retailer 18£1,390 GBP
Retailer 5£1,393 GBP
Retailer 12£1,441 GBP
Retailer 6£1,627 GBP
Retailer 4£1,643 GBP
Retailer 9£1,989 GBP
Retailer 10£2,081 GBP
Retailer 14£2,451 GBP
Retailer 8£3,247 GBP
Do Amore Diamonds£4,015 GBP

37 data points across 19 retailers

19 retailers£452 GBP to £4,015 GBP

A
Cheapest Retailer
-
£452 GBP
$606 USD
A
Retailer 2
-
£506 GBP
$678 USD
View
A
Retailer 3
-
£594 GBP
$796 USD
View
A
Retailer 4
-
£597 GBP
$800 USD
View
Final sale: no returns
A
Retailer 5
-
£649 GBP
$870 USD
View
A
Retailer 6
-
£657 GBP
$880 USD
View
A
Retailer 7
-
£730 GBP
$978 USD
View
A
Retailer 8
-
£740 GBP
$992 USD
View
A
Retailer 9
-
£900 GBP
€1,148 EUR
View
A
Retailer 10
-
£1,390 GBP
$1,863 USD
View
A
Retailer 11
-
£1,393 GBP
$1,867 USD
View
B+
Retailer 12
-
£1,441 GBP
A$2,970 AUD
View
B+
Retailer 13
-
£1,627 GBP
$2,180 USD
View
B+
Retailer 14
-
£1,643 GBP
$2,202 USD
View
Retailer 15
-
£1,989 GBP
$2,665 USD
View
Price last confirmed 13 days ago
Retailer 16
-
£2,081 GBP
A$4,290 AUD
View
Price last confirmed 31 days ago
B+
Retailer 17
-
£2,451 GBP
View
B
Retailer 18
-
£3,247 GBP
$4,350 USD
View
Most Expensive
B
Do Amore Diamonds
27-537A549D1 · Oct 31
£4,015 GBP
$5,380 USD
View
18 more retailers have this diamond
Prices start from £452 GBPSave up to £3,563 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
1.51ct Princess
£452 GBP