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 $1,135 USD
As of November 6, 2026
Save $1,458 USD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $4,252 USD 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
Color
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

How it works →
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: $4,252 USD|Low: $1,089 USD|High: $4,285 USD|Avg: $2,280 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 4$1,135 USD
Retailer 5$1,316 USD
Retailer 7$1,316 USD
Retailer 3$1,490 USD
Retailer 2$1,828 USD
Retailer 9$1,893 USD
Retailer 6$2,093 USD
Retailer 8$2,593 USD
Retailer 10$3,768 USD
MOH London$4,252 USD

39 data points across 10 retailers

10 retailers$1,135 USD to $2,593 USD

A
Cheapest Retailer
-
$1,135 USD
A
Retailer 2
-
$1,234 USD
View
Retailer 3
-
$1,316 USD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,316 USD
View
A
Retailer 5
-
$1,490 USD
View
B+
Retailer 6
-
$1,828 USD
View
B+
Retailer 7
-
$2,093 USD
View
B
Retailer 8
-
$2,467 USD
View
B
Retailer 9
-
$2,593 USD
View
Most Expensive
MOH London
LG436072595 · Oct 29
$4,252 USD
£3,348 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $1,135 USDSave up to $1,458 USD

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
$1,135 USD