CaratHunter
Plans
Princess|Lab Grown|IGI

1.23ct H VS1 Princess Lab Grown Diamond

ID • H/VS1 • IGI LG625480470

Shape and cutting style on the report: Princess cut

Certificate IGI LG625480470

Diamond specifications and retailer prices

From $360 USD
As of October 30, 2026
Save $821 USD (70%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,181 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1.23ct lab-grown princess diamond

This 1.23ct lab-grown princess sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG625480470 or 625480470. Listed at 6 retailers as of October 29, 2026, with prices from $360 to $1,181, a $821 spread on the same certified stone. MOH London lists it at $1,181. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
H
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.5°
Pavilion angle37.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG625480470
Dimensions5.86 × 5.73 × 4.14 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
5.86 mm5.73 mm1.23 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG625480470
Side View
Table 69.0%Crown 42.5°Girdle: MediumPavilion 37.9°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: Oct 30
Current: $1,181 USD|Low: $360 USD|High: $1,189 USD|Avg: $673 USD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 5$360 USD
Retailer 3$402 USD
Retailer 4$475 USD
Retailer 2$575 USD
Retailer 7$740 USD
Retailer 6$980 USD
MOH London$1,181 USD

10 data points across 7 retailers

6 retailers$360 USD to $1,181 USD

A
Cheapest Retailer
-
$360 USD
A
Retailer 2
-
$402 USD
View
A
Retailer 3
-
$475 USD
View
B+
Retailer 4
-
$575 USD
View
B
Retailer 5
-
$980 USD
View
Most Expensive
B
MOH London
LG625480470 · Oct 29
$1,181 USD
£930 GBP
View
5 more retailers have this diamond
Prices start from $360 USDSave up to $821 USD

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
1.23ct Princess
$360 USD