Princess|Lab Grown|IGI

1.15ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG620480457

Shape and cutting style on the report: Princess cut

Certificate IGI LG620480457

Diamond specifications and retailer prices

From $176 USD
As of October 30, 2026
Save $843 USD (83%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,019 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.15ct lab-grown princess diamond

This 1.15ct 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 LG620480457 or 620480457. Listed at 12 retailers as of October 30, 2026, with prices from $176 to $1,019, a $843 spread on the same certified stone. MOH London lists it at $1,019. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.15
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle42.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG620480457
Dimensions5.77 × 5.58 × 4.14 mm
L/W Ratio1.03
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
5.77 mm5.58 mm1.15 ctG / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG620480457
Side View
Table 80.0%Crown 42.4°Girdle: MediumPavilion 40.9°Culet: NoneDepth 74.2%

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: $1,019 USD|Low: $139 USD|High: $1,030 USD|Avg: $458 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$176 USD
Retailer 7$196 USD
Retailer 3$374 USD
Retailer 6$386 USD
Retailer 2$387 USD
Retailer 8$399 USD
Retailer 4$739 USD
MOH London$1,019 USD

43 data points across 8 retailers

12 retailers$176 USD to $1,019 USD

A
Cheapest Retailer
-
$176 USD
A
Retailer 2
-
$196 USD
View
Final sale: no returns
A
Retailer 3
-
$204 USD
View
A
Retailer 4
-
$218 USD
View
A
Retailer 5
-
$218 USD
View
A
Retailer 6
-
$374 USD
ZAR 6,040 ZAR
View
A
Retailer 7
-
$386 USD
View
A
Retailer 8
-
$387 USD
£305 GBP
View
A
Retailer 9
-
$399 USD
View
B
Retailer 10
-
$700 USD
View
B
Retailer 11
-
$739 USD
View
Most Expensive
B
MOH London
LG620480457 · Nov 1
$1,019 USD
£802 GBP
View
11 more retailers have this diamond
Prices start from $176 USDSave up to $843 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
1.15ct Princess
$176 USD