Round|Lab Grown|IGI

1.05ct G VS1 Round Lab Grown Diamond

ID • G/VS1 • IGI LG778658592

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778658592

Diamond specifications and retailer prices

From $150 USD
As of October 29, 2026
Save $504 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $876 USD at MOH London · As of October 26, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778658592 or 778658592. Listed at 19 retailers as of October 29, 2026, with a 336% 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
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778658592
Dimensions6.53 × 6.48 × 4.00 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.53 mm6.48 mm1.05 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778658592
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 41.1°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: $876 USD|Low: $146 USD|High: $885 USD|Avg: $378 USD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 17$150 USD
Retailer 5$168 USD
Retailer 11$175 USD
Retailer 8$187 USD
Retailer 9$187 USD
Retailer 4$305 USD
Retailer 19$321 USD
Retailer 14$322 USD
Retailer 15$323 USD
Retailer 13$342 USD
Retailer 7$415 USD
Retailer 3$456 USD
Retailer 2$484 USD
Retailer 18$507 USD
Retailer 6$514 USD
Retailer 10$601 USD
Retailer 16$603 USD
Retailer 12$654 USD
MOH London$876 USD

27 data points across 19 retailers

19 retailers$150 USD to $654 USD

A
Cheapest Retailer
-
$150 USD
Retailer 2
-
$175 USD
View
Price last confirmed 7 days ago
Retailer 3
-
$187 USD
View
Price last confirmed 7 days ago
Retailer 4
-
$187 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$305 USD
View
A
Retailer 6
-
$321 USD
ZAR 5,190 ZAR
View
A
Retailer 7
-
$322 USD
£254 GBP
View
A
Retailer 8
-
$323 USD
£254 GBP
View
A
Retailer 9
-
$342 USD
View
Retailer 10
-
$415 USD
View
Price last confirmed 9 days ago
Retailer 11
-
$456 USD
A$702 AUD
View
Price last confirmed 8 days ago
B
Retailer 12
-
$484 USD
View
B+
Retailer 13
-
$507 USD
View
B+
Retailer 14
-
$514 USD
SGD 694 SGD
View
Retailer 15
-
$592 USD
View
Price last confirmed 43 days ago
B
Retailer 16
-
$601 USD
View
B
Retailer 17
-
$603 USD
View
B
Retailer 18
-
$654 USD
View
Most Expensive
MOH London
LG778658592 · Oct 26
$876 USD
£690 GBP
View
Price last confirmed 7 days ago
18 more retailers have this diamond
Prices start from $150 USDSave up to $504 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
$150 USD