Round|Lab Grown|IGI

1.05ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG818644853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818644853

Diamond specifications and retailer prices

From $163 USD
As of November 1, 2026
Save $541 USD (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $949 USD at MOH London · As of October 19, 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 LG818644853 or 818644853. Listed at 19 retailers as of October 31, 2026, with a 332% 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818644853
Dimensions6.48 × 6.52 × 4.04 mm
L/W Ratio1.01
Girdle conditionFaceted
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
6.48 mm6.52 mm1.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818644853
Side View
Table 59.0%Crown 34.1°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 62.1%

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: Nov 1
Current: $949 USD|Low: $156 USD|High: $955 USD|Avg: $380 USD|-0.7%
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
November 2, 2026
Retailer 11$163 USD
Retailer 5$182 USD
Retailer 4$202 USD
Retailer 13$202 USD
Retailer 3$230 USD
Retailer 7$348 USD
Retailer 10$348 USD
Retailer 6$350 USD
Retailer 8$353 USD
Retailer 9$492 USD
Retailer 2$531 USD
Retailer 12$620 USD
MOH London$949 USD

38 data points across 13 retailers

19 retailers$163 USD to $704 USD

A
Cheapest Retailer
-
$163 USD
A
Retailer 2
-
$182 USD
View
Final sale: no returns
A
Retailer 3
-
$189 USD
View
Retailer 4
-
$202 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$202 USD
View
A
Retailer 6
-
$230 USD
HK$1,800 HKD
View
A
Retailer 7
-
$309 USD
View
A
Retailer 8
-
$348 USD
£274 GBP
View
A
Retailer 9
-
$348 USD
ZAR 5,629 ZAR
View
A
Retailer 10
-
$350 USD
€333 EUR
View
B+
Retailer 11
-
$353 USD
£278 GBP
View
B+
Retailer 12
-
$492 USD
A$757 AUD
View
B+
Retailer 13
-
$531 USD
View
B
Retailer 14
-
$552 USD
SGD 746 SGD
View
B
Retailer 15
-
$620 USD
View
B
Retailer 16
-
$649 USD
View
B
Retailer 17
-
$659 USD
View
B
Retailer 18
-
$704 USD
View
Most Expensive
MOH London
LG818644853 · Oct 19
$949 USD
£747 GBP
View
Price last confirmed 14 days ago
18 more retailers have this diamond
Prices start from $163 USDSave up to $541 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
$163 USD