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Princess|Lab Grown|IGI

1.51ct D IF Princess Lab Grown Diamond

GD • D/IF • IGI LG836608706

Shape and cutting style on the report: Princess cut

Certificate IGI LG836608706

Diamond specifications and retailer prices

From $1,707 AUD
$1,196 USD
As of November 2, 2026
Save $4,586 AUD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,293 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG836608706 or 836608706. Listed at 10 retailers as of November 2, 2026, with prices from $1,707 to $6,293, a $4,586 spread on the same certified stone. Brilliant Earth lists it at $6,293. 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 angle49.7°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG836608706
Dimensions6.14 × 6.00 × 4.49 mm
L/W Ratio1.02
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.14 mm6.00 mm1.51 ctD / IF
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG836608706
Side View
Table 70.0%Crown 49.7°Girdle: Slightly ThickPavilion 38.3°Culet: NoneDepth 74.8%

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: $6,293 AUD|Low: $1,707 AUD|High: $6,293 AUD|Avg: $3,733 AUD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 7$1,707 AUD
Retailer 2$2,150 AUD
Retailer 5$2,171 AUD
Retailer 8$2,250 AUD
Retailer 4$3,999 AUD
Retailer 10$4,209 AUD
Retailer 6$4,389 AUD
Retailer 9$4,848 AUD
Retailer 3$5,243 AUD
Brilliant Earth$6,293 AUD

35 data points across 10 retailers

10 retailers$1,707 AUD to $6,293 AUD

A
Cheapest Retailer
-
$1,707 AUD
$1,196 USD
A
Retailer 2
-
$2,150 AUD
£1,186 GBP
View
B+
Retailer 3
-
$2,171 AUD
€1,449 EUR
View
B+
Retailer 4
-
$2,250 AUD
$1,577 USD
View
B
Retailer 5
-
$3,999 AUD
View
Retailer 6
-
$4,209 AUD
$2,950 USD
View
Price last confirmed 36 days ago
B
Retailer 7
-
$4,389 AUD
$3,076 USD
View
B
Retailer 8
-
$4,848 AUD
$3,398 USD
View
B
Retailer 9
-
$5,243 AUD
£2,893 GBP
View
Most Expensive
B
Brilliant Earth
21576744A · Nov 2
$6,293 AUD
$4,410 USD
View
9 more retailers have this diamond
Prices start from $1,707 AUDSave up to $4,586 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
$1,707 AUD