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Princess|Lab Grown|IGI

1.89ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG847661523

Shape and cutting style on the report: Princess cut

Certificate IGI LG847661523

Diamond specifications and retailer prices

From $389 AUD
$273 USD
As of October 27, 2026
Save $2,999 AUD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,388 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.89ct lab-grown princess diamond

This 1.89ct lab-grown princess sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG847661523 or 847661523. Listed at 12 retailers as of October 27, 2026, with prices from $389 to $3,388, a $2,999 spread on the same certified stone. Brilliant Earth lists it at $3,388. 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

1.89
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG847661523
Dimensions6.65 × 6.64 × 4.87 mm
L/W Ratio1.00
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.65 mm6.64 mm1.89 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847661523
Side View
Table 73.0%Crown 47.9°Girdle: MediumPavilion 38.6°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: Oct 27
Current: $3,388 AUD|Low: $389 AUD|High: $3,388 AUD|Avg: $1,161 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$389 AUD
Retailer 5$434 AUD
Retailer 10$547 AUD
Retailer 6$620 AUD
Retailer 9$705 AUD
Retailer 2$765 AUD
Retailer 3$800 AUD
Retailer 8$844 AUD
Retailer 12$877 AUD
Retailer 4$1,556 AUD
Retailer 11$1,936 AUD
Brilliant Earth$3,388 AUD

3 data points across 12 retailers

12 retailers$389 AUD to $3,388 AUD

A
Cheapest Retailer
-
$389 AUD
$273 USD
A
Retailer 2
-
$434 AUD
$305 USD
View
Final sale: no returns
A
Retailer 3
-
$547 AUD
HK$3,000 HKD
View
A
Retailer 4
-
$620 AUD
£343 GBP
View
A
Retailer 5
-
$705 AUD
$495 USD
View
A
Retailer 6
-
$765 AUD
€512 EUR
View
B+
Retailer 7
-
$800 AUD
$562 USD
View
A
Retailer 8
-
$844 AUD
£467 GBP
View
B+
Retailer 9
-
$877 AUD
$616 USD
View
B
Retailer 10
-
$1,556 AUD
SGD 1,477 SGD
View
B
Retailer 11
-
$1,936 AUD
£1,071 GBP
View
Most Expensive
B
Brilliant Earth
22307800A · Oct 29
$3,388 AUD
$2,380 USD
View
11 more retailers have this diamond
Prices start from $389 AUDSave up to $2,999 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
1.89ct Princess
$389 AUD