Princess|Lab Grown|IGI

1.23ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG675588809

Shape and cutting style on the report: Princess cut

Certificate IGI LG675588809

Diamond specifications and retailer prices

From $406 USD
As of October 30, 2026
Save $674 USD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,080 USD at MOH London · As of October 25, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG675588809 or 675588809. Listed at 11 retailers as of October 25, 2026, with prices from $406 to $1,080, a $674 spread on the same certified stone. MOH London lists it at $1,080. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.9°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG675588809
Dimensions5.88 × 5.65 × 4.15 mm
L/W Ratio1.04
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
5.88 mm5.65 mm1.23 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG675588809
Side View
Table 72.0%Crown 48.9°Girdle: MediumPavilion 37.7°Culet: NoneDepth 73.5%

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: $1,080 USD|Low: $381 USD|High: $1,091 USD|Avg: $619 USD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 31, 2026
Retailer 6$406 USD
Retailer 2$414 USD
Retailer 3$436 USD
Retailer 9$449 USD
Retailer 7$478 USD
Retailer 4$600 USD
Retailer 8$757 USD
Retailer 10$795 USD
Retailer 5$850 USD
MOH London$1,080 USD

44 data points across 10 retailers

11 retailers$406 USD to $1,080 USD

A
Cheapest Retailer
-
$406 USD
A
Retailer 2
-
$414 USD
£326 GBP
View
A
Retailer 3
-
$436 USD
€415 EUR
View
A
Retailer 4
-
$449 USD
View
A
Retailer 5
-
$478 USD
View
Retailer 6
-
$600 USD
View
Price last confirmed 10 days ago
Retailer 7
-
$615 USD
View
Price last confirmed 31 days ago
B
Retailer 8
-
$772 USD
View
B
Retailer 9
-
$795 USD
View
B
Retailer 10
-
$850 USD
View
Most Expensive
B
MOH London
LG675588809 · Oct 25
$1,080 USD
£850 GBP
View
10 more retailers have this diamond
Prices start from $406 USDSave up to $674 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
$406 USD