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Princess|Lab Grown|IGI

1.88ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG436072595

Shape and cutting style on the report: Princess cut

Certificate IGI LG436072595

Diamond specifications and retailer prices

From £843 GBP
As of November 6, 2026
Save £1,083 GBP (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,159 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.88ct lab-grown princess diamond

This 1.88ct lab-grown princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG436072595 or 436072595. Listed at 10 retailers as of November 4, 2026, with a 128% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.88
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.4°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG436072595
Dimensions6.77 × 6.55 × 4.80 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.77 mm6.55 mm1.88 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG436072595
Side View
Table 72.0%Crown 45.4°Girdle: MediumPavilion 39.6°Culet: NoneDepth 73.3%

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: Nov 6
Current: £3,159 GBP|Low: £809 GBP|High: £3,184 GBP|Avg: £1,692 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4£843 GBP
Retailer 5£978 GBP
Retailer 7£978 GBP
Retailer 3£1,107 GBP
Retailer 2£1,360 GBP
Retailer 9£1,406 GBP
Retailer 6£1,555 GBP
Retailer 8£1,927 GBP
Retailer 10£2,800 GBP
MOH London£3,159 GBP

40 data points across 10 retailers

10 retailers£843 GBP to £1,927 GBP

A
Cheapest Retailer
-
£843 GBP
A
Retailer 2
-
£917 GBP
View
Retailer 3
-
£978 GBP
View
Price last confirmed 25 days ago
A
Retailer 4
-
£978 GBP
View
A
Retailer 5
-
£1,107 GBP
View
B+
Retailer 6
-
£1,360 GBP
View
B+
Retailer 7
-
£1,555 GBP
View
B
Retailer 8
-
£1,833 GBP
View
B
Retailer 9
-
£1,927 GBP
View
Most Expensive
MOH London
LG436072595 · Oct 29
£3,159 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from £843 GBPSave up to £1,083 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
1.88ct Princess
£843 GBP