CaratHunter
Plans
Princess|Lab Grown|IGI

5.51ct G SI1 Princess Lab Grown Diamond

EX • G/SI1 • IGI LG685577516

Shape and cutting style on the report: Princess cut

Certificate IGI LG685577516

Diamond specifications and retailer prices

From €1,235 EUR
$1,380 USD
As of October 30, 2026
1 retailer carries this diamond
Only listing: €1,235 EUR 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 5.51ct lab-grown princess diamond

This 5.51ct lab-grown princess sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685577516 or 685577516. Listed at a single retailer as of October 30, 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

5.51
Carat
G
Color
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685577516
Dimensions9.85 × 9.52 mm
L/W Ratio1.03
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.85 mm9.52 mm5.51 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685577516
Side View
Table 67.0%Crown 41°Girdle: Slightly ThickPavilion 36.3°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: Oct 30
Current: €1,235 EUR|Low: €1,190 EUR|High: €1,943 EUR|Avg: €1,464 EUR|-36.4%
September 23, 2026
B2C Jewels€1,235 EUR

4 data points across 1 retailer

1 retailer

B+
B2C Jewels
27783581 · Oct 30
€1,235 EUR
$1,380 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+
5.51ct Princess
€1,235 EUR