CaratHunter
Plans
Round|Lab Grown|IGI

1.58ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG815643990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815643990

Diamond specifications and retailer prices

From $497 AUD
$348 USD
As of November 1, 2026
Save $4,897 AUD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $5,394 AUD 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 F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG815643990 or 815643990. Listed at 24 retailers as of November 1, 2026, with prices from $497 to $5,394, a $4,897 spread on the same certified stone. Brilliant Earth lists it at $5,394. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815643990
Dimensions7.53 × 7.51 × 4.52 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
7.53 mm7.51 mm1.58 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815643990
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

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: $5,394 AUD|Low: $482 AUD|High: $5,394 AUD|Avg: $1,665 AUD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
November 2, 2026
Retailer 21$497 AUD
Retailer 10$576 AUD
Retailer 3$616 AUD
Retailer 14$616 AUD
Retailer 22$828 AUD
Retailer 20$835 AUD
Retailer 13$874 AUD
Retailer 2$972 AUD
Retailer 5$983 AUD
Retailer 16$1,062 AUD
Retailer 17$1,095 AUD
Retailer 6$1,341 AUD
Retailer 19$1,429 AUD
Retailer 18$1,438 AUD
Retailer 7$1,979 AUD
Retailer 8$2,000 AUD
Retailer 12$2,039 AUD
Retailer 9$2,326 AUD
Retailer 4$2,408 AUD
Retailer 11$2,670 AUD
Retailer 15$2,811 AUD
Brilliant Earth$5,394 AUD

33 data points across 22 retailers

24 retailers$497 AUD to $5,394 AUD

A
Cheapest Retailer
-
$497 AUD
$348 USD
A
Retailer 2
-
$576 AUD
$404 USD
View
A
Retailer 3
-
$616 AUD
$432 USD
View
Retailer 4
-
$616 AUD
$432 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$694 AUD
HK$3,800 HKD
View
A
Retailer 6
-
$828 AUD
$580 USD
View
A
Retailer 7
-
$835 AUD
$585 USD
View
A
Retailer 8
-
$874 AUD
£482 GBP
View
A
Retailer 9
-
$972 AUD
€649 EUR
View
A
Retailer 10
-
$983 AUD
$689 USD
View
A
Retailer 11
-
$1,062 AUD
ZAR 12,021 ZAR
View
A
Retailer 12
-
$1,095 AUD
£604 GBP
View
B+
Retailer 13
-
$1,341 AUD
$940 USD
View
B+
Retailer 14
-
$1,429 AUD
View
B+
Retailer 15
-
$1,438 AUD
$1,008 USD
View
B+
Retailer 16
-
$1,979 AUD
$1,387 USD
View
B
Retailer 17
-
$2,000 AUD
SGD 1,894 SGD
View
B
Retailer 18
-
$2,039 AUD
$1,429 USD
View
B
Retailer 19
-
$2,190 AUD
$1,535 USD
View
B
Retailer 20
-
$2,326 AUD
$1,630 USD
View
Retailer 21
-
$2,408 AUD
£1,329 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
$2,670 AUD
$1,871 USD
View
Retailer 23
-
$2,811 AUD
$1,970 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20763342A · Nov 2
$5,394 AUD
$3,780 USD
View
23 more retailers have this diamond
Prices start from $497 AUDSave up to $4,897 AUD

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
$497 AUD