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Round|Lab Grown|IGI

1.03ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG778630870

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778630870

Diamond specifications and retailer prices

From $191 USD
As of November 1, 2026
Save $918 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,109 USD at MOH London · As of November 1, 2026
View at MOH London

About this 1.03ct lab-grown round diamond

This 1.03ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG778630870 or 778630870. Listed at 20 retailers as of November 1, 2026, with prices from $191 to $1,109, a $918 spread on the same certified stone. MOH London lists it at $1,109. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.03
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778630870
Dimensions6.55 × 6.51 × 3.93 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
6.55 mm6.51 mm1.03 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778630870
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.9°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: Nov 1
Current: $1,109 USD|Low: $191 USD|High: $1,137 USD|Avg: $532 USD|-2.5%
MOH London
Retailer 2
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Retailer 20
November 1, 2026
Retailer 2$191 USD
Retailer 3$214 USD
Retailer 20$222 USD
Retailer 15$237 USD
Retailer 12$240 USD
Retailer 13$396 USD
Retailer 8$411 USD
Retailer 4$415 USD
Retailer 14$427 USD
Retailer 18$551 USD
Retailer 9$584 USD
Retailer 10$612 USD
Retailer 16$613 USD
Retailer 5$645 USD
Retailer 17$763 USD
Retailer 6$806 USD
Retailer 7$816 USD
Retailer 11$910 USD
Retailer 19$1,090 USD
MOH London$1,109 USD

24 data points across 20 retailers

20 retailers$191 USD to $1,109 USD

A
Cheapest Retailer
-
$191 USD
A
Retailer 2
-
$214 USD
View
Final sale: no returns
A
Retailer 3
-
$222 USD
View
A
Retailer 4
-
$237 USD
View
Retailer 5
-
$240 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$396 USD
£312 GBP
View
A
Retailer 7
-
$411 USD
ZAR 6,645 ZAR
View
A
Retailer 8
-
$415 USD
View
A
Retailer 9
-
$427 USD
£336 GBP
View
B+
Retailer 10
-
$551 USD
View
B+
Retailer 11
-
$584 USD
A$899 AUD
View
B+
Retailer 12
-
$612 USD
View
B+
Retailer 13
-
$613 USD
View
B+
Retailer 14
-
$645 USD
SGD 871 SGD
View
B+
Retailer 15
-
$763 USD
View
B
Retailer 16
-
$806 USD
View
B+
Retailer 17
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$816 USD
View
Retailer 18
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$910 USD
View
Price last confirmed 11 days ago
B
Retailer 19
-
$1,090 USD
View
Most Expensive
B
MOH London
LG778630870 · Nov 1
$1,109 USD
£873 GBP
View
19 more retailers have this diamond
Prices start from $191 USDSave up to $918 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
1.03ct Round
$191 USD