Round|Lab Grown|IGI

1.05ct I VS1 Round Lab Grown Diamond

ID • I/VS1 • IGI LG825630578

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825630578

Diamond specifications and retailer prices

From $249 USD
As of October 29, 2026
Save $693 USD (74%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,115 USD at MOH London · As of October 18, 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 LG825630578 or 825630578. Listed at 14 retailers as of October 27, 2026, with a 278% 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

1.05
Carat
I
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825630578
Dimensions6.50 × 6.45 × 3.99 mm
L/W Ratio1.01
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.50 mm6.45 mm1.05 ctI / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825630578
Side View
Table 60.0%Crown 35.1°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.5%

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 29
Current: $1,115 USD|Low: $149 USD|High: $1,121 USD|Avg: $458 USD|+29.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$155 USD
Retailer 4$180 USD
Retailer 10$249 USD
Retailer 8$372 USD
Retailer 12$408 USD
Retailer 5$453 USD
Retailer 2$480 USD
Retailer 7$529 USD
Retailer 11$626 USD
Retailer 6$680 USD
Retailer 9$942 USD
MOH London$1,115 USD

40 data points across 12 retailers

14 retailers$249 USD to $942 USD

Retailer 1
-
$155 USD
Price last confirmed 21 days ago
Retailer 2
-
$180 USD
View
Price last confirmed 22 days ago
Retailer 3
-
$192 USD
View
Price last confirmed 29 days ago
B+
Retailer 4
-
$249 USD
View
Final sale: no returns
A
Retailer 5
-
$372 USD
View
Retailer 6
-
$408 USD
ZAR 6,586 ZAR
View
Price last confirmed 8 days ago
B+
Retailer 7
-
$453 USD
€431 EUR
View
B+
Retailer 8
-
$480 USD
View
B+
Retailer 9
-
$529 USD
View
Retailer 10
-
$618 USD
View
Price last confirmed 31 days ago
B
Retailer 11
-
$626 USD
£493 GBP
View
B
Retailer 12
-
$680 USD
View
B
Retailer 13
-
$942 USD
View
Most Expensive
MOH London
LG825630578 · Oct 18
$1,115 USD
£878 GBP
View
Price last confirmed 14 days ago
13 more retailers have this diamond
Prices start from $249 USDSave up to $693 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
$249 USD