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Round|Lab Grown|IGI

1.58ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG830645360

Shape and cutting style on the report: Round brilliant

Certificate IGI LG830645360

Diamond specifications and retailer prices

From $266 USD
As of November 1, 2026
Save $1,844 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,110 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.58ct lab-grown round diamond

This 1.58ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830645360 or 830645360. Listed at 22 retailers as of November 1, 2026, with prices from $266 to $2,110, a $1,844 spread on the same certified stone. Brilliant Earth lists it at $2,110. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830645360
Dimensions7.53 × 7.49 × 4.58 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
7.53 mm7.49 mm1.58 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830645360
Side View
Table 60.0%Crown 34.1°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 61.0%

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: $2,110 USD|Low: $266 USD|High: $2,450 USD|Avg: $908 USD|-13.9%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21$266 USD
Retailer 8$308 USD
Retailer 4$330 USD
Retailer 11$330 USD
Retailer 6$384 USD
Retailer 3$465 USD
Retailer 20$490 USD
Retailer 2$554 USD
Retailer 15$569 USD
Retailer 13$625 USD
Retailer 19$767 USD
Retailer 16$830 USD
Retailer 12$917 USD
Retailer 5$1,060 USD
Retailer 10$1,111 USD
Retailer 7$1,128 USD
Retailer 14$1,269 USD
Retailer 17$1,328 USD
Retailer 9$1,466 USD
Retailer 18$1,870 USD
Brilliant Earth$2,110 USD

29 data points across 21 retailers

22 retailers$266 USD to $2,110 USD

A
Cheapest Retailer
-
$266 USD
A
Retailer 2
-
$308 USD
View
Retailer 3
-
$330 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$330 USD
View
A
Retailer 5
-
$384 USD
HK$3,000 HKD
View
B+
Retailer 6
-
$465 USD
View
A
Retailer 7
-
$490 USD
View
A
Retailer 8
-
$554 USD
€528 EUR
View
A
Retailer 9
-
$569 USD
ZAR 9,185 ZAR
View
A
Retailer 10
-
$625 USD
£492 GBP
View
A
Retailer 11
-
$767 USD
A$1,180 AUD
View
A
Retailer 12
-
$830 USD
View
B+
Retailer 13
-
$917 USD
View
B+
Retailer 14
-
$1,060 USD
View
B+
Retailer 15
-
$1,111 USD
View
B+
Retailer 16
-
$1,128 USD
SGD 1,524 SGD
View
B+
Retailer 17
-
$1,269 USD
View
B+
Retailer 18
-
$1,328 USD
£1,046 GBP
View
B
Retailer 19
-
$1,466 USD
View
B
Retailer 20
-
$1,870 USD
View
Retailer 21
-
$1,960 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
21327732A · Nov 2
$2,110 USD
View
21 more retailers have this diamond
Prices start from $266 USDSave up to $1,844 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
1.58ct Round
$266 USD