CaratHunter
Plans
Round|Lab Grown|IGI

1.05ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG628490701

Shape and cutting style on the report: Round brilliant

Certificate IGI LG628490701

Diamond specifications and retailer prices

From $337 USD
As of October 30, 2026
Save $516 USD (61%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $853 USD at MOH London · As of October 25, 2026
View at MOH London

About this 1.05ct lab-grown round diamond

This 1.05ct lab-grown round sits in the classic one-carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG628490701 or 628490701. Listed at 5 retailers as of October 25, 2026, with prices from $337 to $853, a $516 spread on the same certified stone. MOH London lists it at $853. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG628490701
Dimensions6.55 × 6.53 × 3.98 mm
L/W Ratio1.00
Girdle conditionFaceted
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
6.55 mm6.53 mm1.05 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG628490701
Side View
Table 59.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 60.9%

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: $853 USD|Low: $265 USD|High: $927 USD|Avg: $530 USD|-6.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 25, 2026
Retailer 5$337 USD
Retailer 6$398 USD
Retailer 3$428 USD
Retailer 4$489 USD
Retailer 2$641 USD
MOH London$853 USD

14 data points across 6 retailers

5 retailers$337 USD to $853 USD

A
Cheapest Retailer
-
$337 USD
B+
Retailer 2
-
$428 USD
View
B+
Retailer 3
-
$489 USD
View
B
Retailer 4
-
$641 USD
View
Most Expensive
B
MOH London
LG628490701 · Oct 25
$853 USD
£672 GBP
View
4 more retailers have this diamond
Prices start from $337 USDSave up to $516 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
1.05ct Round
$337 USD