CaratHunter
Plans
Princess|Lab Grown|IGI

1.51ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG555290114

Shape and cutting style on the report: Princess cut

Certificate IGI LG555290114

Diamond specifications and retailer prices

From $1,939 NZD
$1,093 USD
As of October 29, 2026
1 retailer carries this diamond
Only listing: $1,939 NZD at B2C Jewels
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at B2C Jewels

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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG555290114 or 555290114. Listed at a single retailer as of October 29, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.51
Carat
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG555290114
Dimensions6.21 × 6.19 mm
L/W Ratio1.00
Culet sizePointed
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
6.21 mm6.19 mm1.51 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG555290114
Side View
Table 70.0%Crown 43°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 71.9%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,939 NZD|Low: $1,854 NZD|High: $3,146 NZD|Avg: $2,338 NZD|-38.4%
September 23, 2026
B2C Jewels$1,939 NZD

4 data points across 1 retailer

1 retailer

B
B2C Jewels
21599466 · Oct 29
$1,939 NZD
$1,093 USD
View

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
$1,939 NZD