CaratHunter
Plans
Princess|Lab Grown|IGI

1.28ct F VS1 Princess Lab Grown Diamond

EX • F/VS1 • IGI LG839697150

Shape and cutting style on the report: Princess cut

Certificate IGI LG839697150

Diamond specifications and retailer prices

From ₹20,224 INR
$213 USD
As of November 1, 2026
Save ₹11,109 INR (35%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: ₹79,758 INR at Brilliant Earth · As of October 1, 2026
View at Brilliant Earth

About this 1.28ct lab-grown princess diamond

This 1.28ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG839697150 or 839697150. Listed at 3 retailers as of November 1, 2026, with a 55% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839697150
Dimensions5.92 × 5.85 × 4.23 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.92 mm5.85 mm1.28 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839697150
Side View
Table 67.0%Crown 41.9°Girdle: MediumPavilion 38.1°Culet: NoneDepth 72.3%

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 1
Current: ₹20,224 INR|Low: ₹20,224 INR|High: ₹44,833 INR|Avg: ₹34,245 INR|-0.9%
Retailer 1
Retailer 2
Retailer 3
October 27, 2026
Retailer 1₹20,224 INR
Retailer 2₹31,334 INR
Retailer 3₹44,833 INR

5 data points across 3 retailers

3 retailers₹20,224 INR to ₹31,334 INR

A
Cheapest Retailer
-
₹20,224 INR
$213 USD
Final sale: no returns
B+
Retailer 2
-
₹31,334 INR
$330 USD
View
Most Expensive
Brilliant Earth
21613315A · Oct 1
₹79,758 INR
$840 USD
View
Price last confirmed 31 days ago
2 more retailers have this diamond
Prices start from ₹20,224 INRSave up to ₹11,109 INR

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
1.28ct Princess
₹20,224 INR