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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 $2,122 NZD
As of November 3, 2026
Save $5,702 NZD (73%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,823 NZD at Brilliant Earth · As of November 4, 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 3, 2026, with prices from $2,122 to $7,823, a $5,702 spread on the same certified stone. Brilliant Earth lists it at $7,823. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 3
Current: $7,823 NZD|Low: $2,122 NZD|High: $7,823 NZD|Avg: $4,640 NZD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 7$2,122 NZD
Retailer 3$2,647 NZD
Retailer 5$2,698 NZD
Retailer 8$2,798 NZD
Retailer 4$4,971 NZD
Retailer 10$5,233 NZD
Retailer 6$5,457 NZD
Retailer 9$6,026 NZD
Retailer 2$6,502 NZD
Brilliant Earth$7,823 NZD

38 data points across 10 retailers

10 retailers$2,122 NZD to $7,823 NZD

A
Cheapest Retailer
-
$2,122 NZD
A
Retailer 2
-
$2,647 NZD
View
B+
Retailer 3
-
$2,698 NZD
View
B+
Retailer 4
-
$2,798 NZD
View
B
Retailer 5
-
$4,971 NZD
View
Retailer 6
-
$5,233 NZD
View
Price last confirmed 39 days ago
B
Retailer 7
-
$5,457 NZD
View
B
Retailer 8
-
$6,026 NZD
View
B
Retailer 9
-
$6,502 NZD
View
Most Expensive
B
Brilliant Earth
21576744A · Nov 4
$7,823 NZD
$4,410 USD
View
9 more retailers have this diamond
Prices start from $2,122 NZDSave up to $5,702 NZD

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
$2,122 NZD