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Round|Lab Grown|IGI

1.05ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG811690422

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811690422

Diamond specifications and retailer prices

From $179 USD
As of November 1, 2026
Save $1,091 USD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,270 USD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811690422 or 811690422. Listed at 21 retailers as of November 1, 2026, with prices from $179 to $1,270, a $1,091 spread on the same certified stone. Brilliant Earth lists it at $1,270. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle41.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811690422
Dimensions6.54 × 6.52 × 3.99 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.54 mm6.52 mm1.05 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811690422
Side View
Table 60.0%Crown 33.2°Girdle: MediumPavilion 41.4°Culet: NoneDepth 61.1%

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: $1,270 USD|Low: $172 USD|High: $1,400 USD|Avg: $493 USD|-8.0%
Brilliant Earth
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 13$179 USD
Retailer 4$208 USD
Retailer 3$222 USD
Retailer 5$312 USD
Retailer 9$371 USD
Retailer 7$383 USD
Retailer 10$387 USD
Retailer 6$398 USD
Retailer 2$541 USD
Retailer 11$553 USD
Retailer 8$975 USD
Retailer 12$1,044 USD
Brilliant Earth$1,270 USD

36 data points across 13 retailers

21 retailers$179 USD to $1,270 USD

A
Cheapest Retailer
-
$179 USD
A
Retailer 2
-
$208 USD
View
Retailer 3
-
$222 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$222 USD
View
A
Retailer 5
-
$269 USD
HK$2,100 HKD
View
B+
Retailer 6
-
$312 USD
View
A
Retailer 7
-
$371 USD
£292 GBP
View
A
Retailer 8
-
$383 USD
ZAR 6,191 ZAR
View
A
Retailer 9
-
$387 USD
€369 EUR
View
A
Retailer 10
-
$398 USD
£314 GBP
View
B+
Retailer 11
-
$463 USD
View
B+
Retailer 12
-
$541 USD
A$833 AUD
View
B+
Retailer 13
-
$553 USD
View
B+
Retailer 14
-
$628 USD
View
B+
Retailer 15
-
$639 USD
SGD 864 SGD
View
B+
Retailer 16
-
$714 USD
View
B
Retailer 17
-
$768 USD
View
B
Retailer 18
-
$790 USD
View
B
Retailer 19
-
$975 USD
View
B
Retailer 20
-
$1,044 USD
£822 GBP
View
Most Expensive
B
Brilliant Earth
20619062A · Nov 1
$1,270 USD
View
20 more retailers have this diamond
Prices start from $179 USDSave up to $1,091 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
$179 USD