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Princess|Lab Grown|IGI

1.51ct J SI1 Princess Lab Grown Diamond

GD • J/SI1 • IGI LG447000695

Shape and cutting style on the report: Princess cut

Certificate IGI LG447000695

Diamond specifications and retailer prices

From $2,064 AUD
$1,450 USD
As of November 2, 2026
Save $4,775 AUD (70%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,840 AUD at MOH London · As of November 1, 2026
View at MOH London

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 J colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG447000695 or 447000695. Listed at 10 retailers as of November 1, 2026, with prices from $2,064 to $6,840, a $4,775 spread on the same certified stone. MOH London lists it at $6,840. 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
J
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447000695
Dimensions6.49 × 6.31 × 4.37 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.49 mm6.31 mm1.51 ctJ / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447000695
Side View
Table 71.0%Crown 42°Girdle: Slightly ThickPavilion 37.9°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $6,840 AUD|Low: $2,064 AUD|High: $6,921 AUD|Avg: $3,790 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 3$2,064 AUD
Retailer 5$2,312 AUD
Retailer 8$2,362 AUD
Retailer 10$2,633 AUD
Retailer 2$2,641 AUD
Retailer 7$3,254 AUD
Retailer 4$3,777 AUD
Retailer 6$4,346 AUD
MOH London$6,840 AUD
Retailer 9$6,856 AUD

16 data points across 10 retailers

10 retailers$2,064 AUD to $6,840 AUD

B+
Cheapest Retailer
-
$2,064 AUD
$1,450 USD
B+
Retailer 2
-
$2,246 AUD
$1,578 USD
View
B+
Retailer 3
-
$2,312 AUD
$1,624 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,394 AUD
$1,682 USD
View
Retailer 5
-
$2,394 AUD
$1,682 USD
View
Price last confirmed 20 days ago
B
Retailer 6
-
$2,641 AUD
$1,855 USD
View
B
Retailer 7
-
$3,777 AUD
$2,653 USD
View
C
Retailer 8
-
$4,346 AUD
$3,053 USD
View
C
Retailer 9
-
$4,489 AUD
$3,153 USD
View
Most Expensive
C
MOH London
LG447000695 · Nov 1
$6,840 AUD
£3,783 GBP
View
9 more retailers have this diamond
Prices start from $2,064 AUDSave up to $4,775 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.

B+
1.51ct Princess
$2,064 AUD