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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 $1,621 AUD
As of November 6, 2026
Save $2,083 AUD (56%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,074 AUD 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

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: Nov 6
Current: $6,074 AUD|Low: $1,556 AUD|High: $6,121 AUD|Avg: $3,253 AUD|+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$1,621 AUD
Retailer 5$1,880 AUD
Retailer 7$1,880 AUD
Retailer 3$2,128 AUD
Retailer 2$2,614 AUD
Retailer 9$2,704 AUD
Retailer 6$2,990 AUD
Retailer 8$3,704 AUD
Retailer 10$5,383 AUD
MOH London$6,074 AUD

40 data points across 10 retailers

10 retailers$1,621 AUD to $3,704 AUD

A
Cheapest Retailer
-
$1,621 AUD
A
Retailer 2
-
$1,763 AUD
View
Retailer 3
-
$1,880 AUD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,880 AUD
View
A
Retailer 5
-
$2,128 AUD
View
B+
Retailer 6
-
$2,614 AUD
View
B+
Retailer 7
-
$2,990 AUD
View
B
Retailer 8
-
$3,524 AUD
View
B
Retailer 9
-
$3,704 AUD
View
Most Expensive
MOH London
LG436072595 · Oct 29
$6,074 AUD
£3,348 GBP
View
Price last confirmed 8 days ago
9 more retailers have this diamond
Prices start from $1,621 AUDSave up to $2,083 AUD

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
$1,621 AUD