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Princess|Lab Grown|IGI

1.80ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG570367200

Shape and cutting style on the report: Princess cut

Certificate IGI LG570367200

Diamond specifications and retailer prices

From $428 AUD
$301 USD
As of October 27, 2026
Save $3,372 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,800 AUD at Do Amore Diamonds · As of October 28, 2026
View at Do Amore Diamonds

About this 1.8ct lab-grown princess diamond

This 1.8ct 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 LG570367200 or 570367200. Listed at 18 retailers as of October 27, 2026, with prices from $428 to $3,800, a $3,372 spread on the same certified stone. Do Amore Diamonds lists it at $3,800. 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

1.80
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG570367200
Dimensions6.58 × 6.56 × 4.69 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.58 mm6.56 mm1.80 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG570367200
Side View
Table 69.5%Crown 41.9°Girdle: MediumPavilion 38.6°Culet: NoneDepth 71.5%

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 27
Current: $3,800 AUD|Low: $337 AUD|High: $3,800 AUD|Avg: $1,405 AUD|+17.1%
Do Amore Diamonds
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
October 29, 2026
Retailer 11$428 AUD
Retailer 14$531 AUD
Retailer 15$531 AUD
Retailer 9$712 AUD
Retailer 12$712 AUD
Retailer 8$755 AUD
Retailer 3$870 AUD
Retailer 2$1,047 AUD
Retailer 6$1,374 AUD
Retailer 10$1,633 AUD
Retailer 5$1,886 AUD
Retailer 7$1,927 AUD
Retailer 4$2,114 AUD
Retailer 13$2,363 AUD
Do Amore Diamonds$3,800 AUD

31 data points across 15 retailers

18 retailers$428 AUD to $3,800 AUD

A
Retailer 1
-
$337 AUD
$237 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$391 AUD
$275 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$413 AUD
$290 USD
View
Price last confirmed 36 days ago
A
Retailer 4
-
$428 AUD
$301 USD
View
A
Retailer 5
-
$531 AUD
$373 USD
View
A
Retailer 6
-
$531 AUD
$373 USD
View
A
Retailer 7
-
$712 AUD
$500 USD
View
A
Retailer 8
-
$712 AUD
$500 USD
View
B+
Retailer 9
-
$755 AUD
£418 GBP
View
B+
Retailer 10
-
$870 AUD
$611 USD
View
B+
Retailer 11
-
$1,047 AUD
£579 GBP
View
B
Retailer 12
-
$1,374 AUD
$965 USD
View
B
Retailer 13
-
$1,633 AUD
$1,147 USD
View
B
Retailer 14
-
$1,886 AUD
$1,325 USD
View
B
Retailer 15
-
$1,927 AUD
$1,354 USD
View
B
Retailer 16
-
$2,114 AUD
$1,485 USD
View
B
Retailer 17
-
$2,363 AUD
£1,307 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C962B69AB · Oct 28
$3,800 AUD
$2,670 USD
View
17 more retailers have this diamond
Prices start from $428 AUDSave up to $3,372 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
1.80ct Princess
$428 AUD