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Round|Lab Grown|IGI

1.05ct G VS1 Round Lab Grown Diamond

EX • G/VS1 • IGI LG778658578

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778658578

Diamond specifications and retailer prices

From $152 USD
As of October 29, 2026
Save $737 USD (83%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $889 USD at MOH London · As of October 29, 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 LG778658578 or 778658578. Listed at 21 retailers as of October 29, 2026, with prices from $152 to $889, a $737 spread on the same certified stone. MOH London lists it at $889. 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 angle33.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778658578
Dimensions6.58 × 3.97 × 3.97 mm
L/W Ratio1.66
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.58 mm3.97 mm1.05 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778658578
Side View
Table 61.0%Crown 33.6°Girdle: MediumPavilion 41.1°Culet: NoneDepth 60.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $889 USD|Low: $147 USD|High: $899 USD|Avg: $388 USD|-1.1%
MOH London
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 18
Retailer 19
October 30, 2026
Retailer 19$152 USD
Retailer 3$169 USD
Retailer 10$177 USD
Retailer 7$189 USD
Retailer 8$189 USD
Retailer 11$306 USD
Retailer 17$325 USD
Retailer 13$325 USD
Retailer 14$327 USD
Retailer 12$344 USD
Retailer 5$415 USD
Retailer 18$461 USD
Retailer 6$496 USD
Retailer 16$509 USD
Retailer 4$518 USD
Retailer 9$608 USD
Retailer 15$610 USD
Retailer 2$660 USD
MOH London$889 USD

26 data points across 19 retailers

21 retailers$152 USD to $889 USD

A
Cheapest Retailer
-
$152 USD
A
Retailer 2
-
$169 USD
View
Final sale: no returns
A
Retailer 3
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$177 USD
View
A
Retailer 4
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$189 USD
View
A
Retailer 5
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$189 USD
View
A
Retailer 6
-
$306 USD
View
Retailer 7
-
$316 USD
£249 GBP
View
Price last confirmed 16 days ago
A
Retailer 8
-
$325 USD
ZAR 5,245 ZAR
View
A
Retailer 9
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$325 USD
£256 GBP
View
A
Retailer 10
-
$327 USD
£257 GBP
View
A
Retailer 11
-
$344 USD
View
B+
Retailer 12
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$415 USD
View
B+
Retailer 13
-
$461 USD
A$709 AUD
View
B+
Retailer 14
-
$496 USD
View
B+
Retailer 15
-
$509 USD
View
B+
Retailer 16
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$518 USD
SGD 700 SGD
View
Retailer 17
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$598 USD
View
Price last confirmed 39 days ago
B
Retailer 18
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$608 USD
View
B
Retailer 19
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$610 USD
View
B
Retailer 20
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$660 USD
View
Most Expensive
B
MOH London
LG778658578 · Oct 29
$889 USD
£700 GBP
View
20 more retailers have this diamond
Prices start from $152 USDSave up to $737 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
$152 USD