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Princess|Lab Grown|IGI

1.59ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG715582824

Shape and cutting style on the report: Princess cut

Certificate IGI LG715582824

Diamond specifications and retailer prices

From £140 GBP
$188 USD
As of October 30, 2026
Save £677 GBP (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £817 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.59ct lab-grown princess diamond

This 1.59ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG715582824 or 715582824. Listed at 12 retailers as of October 29, 2026, with prices from £140 to £817, a £677 spread on the same certified stone. MOH London lists it at £817. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.59
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.8°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG715582824
Dimensions6.46 × 6.30 × 4.56 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.46 mm6.30 mm1.59 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG715582824
Side View
Table 65.0%Crown 40.8°Girdle: MediumPavilion 38.5°Culet: NoneDepth 72.4%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £817 GBP|Low: £140 GBP|High: £1,291 GBP|Avg: £482 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 31, 2026
Retailer 11£140 GBP
Retailer 4£163 GBP
Retailer 12£174 GBP
Retailer 9£194 GBP
Retailer 16£201 GBP
Retailer 3£305 GBP
Retailer 10£315 GBP
Retailer 5£324 GBP
Retailer 13£369 GBP
Retailer 14£397 GBP
Retailer 15£558 GBP
Retailer 2£560 GBP
Retailer 6£742 GBP
MOH London£817 GBP
Retailer 7£858 GBP
Retailer 8£1,291 GBP

5 data points across 16 retailers

12 retailers£140 GBP to £817 GBP

A
Cheapest Retailer
-
£140 GBP
$188 USD
A
Retailer 2
-
£163 GBP
$218 USD
View
A
Retailer 3
-
£174 GBP
$233 USD
View
A
Retailer 4
-
£194 GBP
View
A
Retailer 5
-
£201 GBP
HK$2,100 HKD
View
B+
Retailer 6
-
£305 GBP
$408 USD
View
A
Retailer 7
-
£315 GBP
View
A
Retailer 8
-
£369 GBP
$494 USD
View
B+
Retailer 9
-
£397 GBP
$532 USD
View
B+
Retailer 10
-
£558 GBP
$748 USD
View
B+
Retailer 11
-
£560 GBP
$751 USD
View
Most Expensive
B
MOH London
LG715582824 · Oct 29
£817 GBP
View
11 more retailers have this diamond
Prices start from £140 GBPSave up to £677 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
1.59ct Princess
£140 GBP