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Round|Lab Grown|IGI

1.05ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG830615853

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830615853

Diamond specifications and retailer prices

From $311 USD
As of November 3, 2026
Save $1,519 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $1,830 USD at Brilliant Earth · As of November 2, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830615853 or 830615853. Listed at 24 retailers as of November 2, 2026, with prices from $311 to $1,830, a $1,519 spread on the same certified stone. Brilliant Earth lists it at $1,830. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830615853
Dimensions6.50 × 6.55 × 4.01 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.50 mm6.55 mm1.05 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830615853
Side View
Table 58.0%Crown 34.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.4%

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 3
Current: $1,830 USD|Low: $308 USD|High: $2,130 USD|Avg: $820 USD|-14.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 15
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Retailer 17
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Retailer 22
November 3, 2026
Retailer 8$311 USD
Retailer 2$350 USD
Retailer 6$361 USD
Retailer 3$386 USD
Retailer 7$386 USD
Retailer 4$422 USD
Retailer 9$518 USD
Retailer 22$540 USD
Retailer 5$581 USD
Retailer 17$620 USD
Retailer 18$665 USD
Retailer 13$685 USD
Retailer 15$701 USD
Retailer 19$937 USD
Retailer 21$941 USD
Retailer 20$1,022 USD
Retailer 11$1,027 USD
Retailer 12$1,239 USD
Retailer 14$1,286 USD
Retailer 16$1,546 USD
Retailer 10$1,548 USD
Brilliant Earth$1,830 USD

36 data points across 22 retailers

24 retailers$311 USD to $1,830 USD

A
Cheapest Retailer
-
$311 USD
A
Retailer 2
-
$350 USD
View
Final sale: no returns
A
Retailer 3
-
$361 USD
View
A
Retailer 4
-
$386 USD
View
Retailer 5
-
$386 USD
View
Price last confirmed 9 days ago
A
Retailer 6
-
$422 USD
HK$3,300 HKD
View
A
Retailer 7
-
$518 USD
View
A
Retailer 8
-
$540 USD
View
B+
Retailer 9
-
$581 USD
View
B+
Retailer 10
-
$620 USD
€590 EUR
View
B+
Retailer 11
-
$665 USD
ZAR 10,741 ZAR
View
B+
Retailer 12
-
$685 USD
£539 GBP
View
B+
Retailer 13
-
$701 USD
A$1,078 AUD
View
B+
Retailer 14
-
$937 USD
View
B+
Retailer 15
-
$941 USD
A$1,447 AUD
View
B+
Retailer 16
-
$950 USD
View
B+
Retailer 17
-
$1,022 USD
A$1,573 AUD
View
B
Retailer 18
-
$1,027 USD
SGD 1,388 SGD
View
B
Retailer 19
-
$1,239 USD
View
B
Retailer 20
-
$1,286 USD
View
B
Retailer 21
-
$1,546 USD
£1,217 GBP
View
B
Retailer 22
-
$1,548 USD
View
B
Retailer 23
-
$1,753 USD
£1,380 GBP
View
Most Expensive
B
Brilliant Earth
21490126A · Nov 2
$1,830 USD
View
23 more retailers have this diamond
Prices start from $311 USDSave up to $1,519 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
$311 USD