Princess|Lab Grown|IGI

2.78ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG519231162

Shape and cutting style on the report: Princess cut

Certificate IGI LG519231162

Diamond specifications and retailer prices

From €2,981 EUR
$3,330 USD
As of October 31, 2026
Save €7,208 EUR (71%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €10,189 EUR at MOH London · As of November 1, 2026
View at MOH London

About this 2.78ct lab-grown princess diamond

This 2.78ct lab-grown princess sits in the two to three carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG519231162 or 519231162. Listed at 12 retailers as of October 31, 2026, with prices from €2,981 to €10,189, a €7,208 spread on the same certified stone. MOH London lists it at €10,189. 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

2.78
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG519231162
Dimensions7.85 × 7.73 × 5.25 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.85 mm7.73 mm2.78 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG519231162
Side View
Table 72.0%Crown 41.4°Girdle: MediumPavilion 37.7°Culet: NoneDepth 67.9%

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 31
Current: €10,189 EUR|Low: €2,981 EUR|High: €10,325 EUR|Avg: €6,038 EUR
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5€2,981 EUR
Retailer 4€4,317 EUR
Retailer 7€4,834 EUR
Retailer 8€5,035 EUR
Retailer 2€6,378 EUR
Retailer 3€6,395 EUR
Retailer 6€7,741 EUR
MOH London€10,189 EUR

41 data points across 8 retailers

12 retailers€2,981 EUR to €10,189 EUR

B+
Cheapest Retailer
-
€2,981 EUR
$3,330 USD
B
Retailer 2
-
€4,317 EUR
$4,823 USD
View
B
Retailer 3
-
€4,524 EUR
$5,054 USD
View
B
Retailer 4
-
€4,834 EUR
$5,401 USD
View
Final sale: no returns
B
Retailer 5
-
€5,007 EUR
$5,594 USD
View
Retailer 6
-
€5,007 EUR
$5,594 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
€5,035 EUR
$5,625 USD
View
B
Retailer 8
-
€6,257 EUR
$6,990 USD
View
B
Retailer 9
-
€6,378 EUR
£5,611 GBP
View
B
Retailer 10
-
€6,395 EUR
$7,145 USD
View
B
Retailer 11
-
€7,741 EUR
$8,648 USD
View
Most Expensive
B
MOH London
LG519231162 · Nov 1
€10,189 EUR
£8,963 GBP
View
11 more retailers have this diamond
Prices start from €2,981 EURSave up to €7,208 EUR

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+
2.78ct Princess
€2,981 EUR