Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

ID • D/IF • IGI LG627442304

Shape and cutting style on the report: Princess cut

Certificate IGI LG627442304

Diamond specifications and retailer prices

From £619 GBP
$829 USD
As of October 30, 2026
Save £2,087 GBP (77%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,706 GBP at MOH London · As of October 29, 2026
View at MOH London

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 LG627442304 or 627442304. Listed at 23 retailers as of October 29, 2026, with prices from £619 to £2,706, a £2,087 spread on the same certified stone. MOH London lists it at £2,706. 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 angle32.3°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627442304
Dimensions6.23 × 6.15 × 4.58 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
6.23 mm6.15 mm1.51 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627442304
Side View
Table 71.0%Crown 32.3°Girdle: MED-STKPavilion 40.2°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 30
Current: £2,706 GBP|Low: £589 GBP|High: £2,728 GBP|Avg: £1,499 GBP|+0.4%
MOH London
Retailer 2
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Retailer 20
October 31, 2026
Retailer 20£619 GBP
Retailer 9£673 GBP
Retailer 10£693 GBP
Retailer 3£718 GBP
Retailer 16£851 GBP
Retailer 8£888 GBP
Retailer 5£891 GBP
Retailer 17£1,031 GBP
Retailer 13£1,103 GBP
Retailer 14£1,149 GBP
Retailer 15£1,320 GBP
Retailer 19£1,651 GBP
Retailer 7£1,979 GBP
Retailer 4£2,019 GBP
Retailer 18£2,116 GBP
Retailer 2£2,247 GBP
Retailer 6£2,390 GBP
Retailer 11£2,413 GBP
Retailer 12£2,487 GBP
MOH London£2,706 GBP

39 data points across 20 retailers

23 retailers£619 GBP to £2,706 GBP

A
Cheapest Retailer
-
£619 GBP
$829 USD
A
Retailer 2
-
£673 GBP
$902 USD
View
A
Retailer 3
-
£693 GBP
$928 USD
View
Final sale: no returns
Retailer 4
-
£718 GBP
$962 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£718 GBP
$962 USD
View
A
Retailer 6
-
£831 GBP
HK$8,700 HKD
View
A
Retailer 7
-
£851 GBP
$1,140 USD
View
A
Retailer 8
-
£888 GBP
$1,190 USD
View
A
Retailer 9
-
£891 GBP
$1,194 USD
View
A
Retailer 10
-
£1,031 GBP
$1,382 USD
View
A
Retailer 11
-
£1,103 GBP
View
A
Retailer 12
-
£1,149 GBP
€1,466 EUR
View
B+
Retailer 13
-
£1,320 GBP
ZAR 28,573 ZAR
View
B+
Retailer 14
-
£1,651 GBP
$2,212 USD
View
B+
Retailer 15
-
£1,979 GBP
View
B
Retailer 16
-
£2,019 GBP
$2,705 USD
View
Retailer 17
-
£2,116 GBP
$2,835 USD
View
Price last confirmed 13 days ago
B
Retailer 18
-
£2,247 GBP
$3,011 USD
View
B
Retailer 19
-
£2,296 GBP
$3,077 USD
View
B
Retailer 20
-
£2,390 GBP
$3,202 USD
View
B
Retailer 21
-
£2,413 GBP
SGD 4,370 SGD
View
B
Retailer 22
-
£2,487 GBP
$3,333 USD
View
Most Expensive
B
MOH London
LG627442304 · Oct 29
£2,706 GBP
View
22 more retailers have this diamond
Prices start from £619 GBPSave up to £2,087 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
£619 GBP