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Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

GD • D/IF • IGI LG728558590

Shape and cutting style on the report: Princess cut

Certificate IGI LG728558590

Diamond specifications and retailer prices

From $865 AUD
$606 USD
As of November 2, 2026
Save $6,812 AUD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $7,677 AUD at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a standard cut grade and certified by IGI LG728558590 or 728558590. Listed at 18 retailers as of November 2, 2026, with prices from $865 to $7,677, a $6,812 spread on the same certified stone. Do Amore Diamonds lists it at $7,677. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
D
Colour
IF
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728558590
Dimensions6.31 × 6.29 × 4.34 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.31 mm6.29 mm1.51 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728558590
Side View
Table 71.0%Crown 43.7°Girdle: MediumPavilion 37.6°Culet: NoneDepth 69.0%

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 2
Current: $7,677 AUD|Low: $865 AUD|High: $9,061 AUD|Avg: $2,804 AUD|-15.3%
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
Retailer 16
Retailer 17
Retailer 18
October 31, 2026
Retailer 8$865 AUD
Retailer 15$967 AUD
Retailer 16$1,136 AUD
Retailer 10$1,143 AUD
Retailer 3$1,241 AUD
Retailer 11$1,256 AUD
Retailer 4$1,396 AUD
Retailer 17$1,415 AUD
Retailer 13$1,720 AUD
Retailer 18$2,658 AUD
Retailer 6$2,664 AUD
Retailer 12$2,755 AUD
Retailer 7$3,111 AUD
Retailer 5$3,142 AUD
Retailer 9$3,979 AUD
Retailer 14$4,686 AUD
Retailer 2$6,293 AUD
Do Amore Diamonds$7,677 AUD

36 data points across 18 retailers

18 retailers$865 AUD to $7,677 AUD

A
Cheapest Retailer
-
$865 AUD
$606 USD
A
Retailer 2
-
$967 AUD
$678 USD
View
A
Retailer 3
-
$1,136 AUD
$796 USD
View
A
Retailer 4
-
$1,143 AUD
$801 USD
View
Final sale: no returns
A
Retailer 5
-
$1,241 AUD
$870 USD
View
A
Retailer 6
-
$1,256 AUD
$880 USD
View
A
Retailer 7
-
$1,396 AUD
$978 USD
View
A
Retailer 8
-
$1,415 AUD
$992 USD
View
A
Retailer 9
-
$1,720 AUD
€1,148 EUR
View
B+
Retailer 10
-
$2,658 AUD
$1,863 USD
View
B+
Retailer 11
-
$2,664 AUD
$1,867 USD
View
B+
Retailer 12
-
$2,755 AUD
View
B+
Retailer 13
-
$3,111 AUD
$2,180 USD
View
B+
Retailer 14
-
$3,142 AUD
$2,202 USD
View
Retailer 15
-
$3,979 AUD
View
Price last confirmed 25 days ago
B
Retailer 16
-
$4,686 AUD
£2,586 GBP
View
B
Retailer 17
-
$6,293 AUD
$4,410 USD
View
Most Expensive
B
Do Amore Diamonds
27-A345C685B · Nov 2
$7,677 AUD
$5,380 USD
View
17 more retailers have this diamond
Prices start from $865 AUDSave up to $6,812 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
1.51ct Princess
$865 AUD