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 $348 USD
As of November 1, 2026
Save $3,432 USD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $3,780 USD at Brilliant Earth · As of October 31, 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 October 31, 2026, with prices from $348 to $3,780, a $3,432 spread on the same certified stone. Brilliant Earth lists it at $3,780. 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
Color
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: $3,780 USD|Low: $338 USD|High: $3,780 USD|Avg: $1,153 USD
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$348 USD
Retailer 10$404 USD
Retailer 3$432 USD
Retailer 14$432 USD
Retailer 22$580 USD
Retailer 20$585 USD
Retailer 2$612 USD
Retailer 17$678 USD
Retailer 5$689 USD
Retailer 13$744 USD
Retailer 16$767 USD
Retailer 6$940 USD
Retailer 19$1,002 USD
Retailer 18$1,008 USD
Retailer 7$1,387 USD
Retailer 8$1,402 USD
Retailer 12$1,429 USD
Retailer 9$1,630 USD
Retailer 4$1,688 USD
Retailer 11$1,871 USD
Retailer 15$1,970 USD
Brilliant Earth$3,780 USD

33 data points across 22 retailers

24 retailers$348 USD to $3,780 USD

A
Cheapest Retailer
-
$348 USD
A
Retailer 2
-
$404 USD
View
A
Retailer 3
-
$432 USD
View
Retailer 4
-
$432 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$486 USD
HK$3,800 HKD
View
A
Retailer 6
-
$580 USD
View
A
Retailer 7
-
$585 USD
View
A
Retailer 8
-
$612 USD
£482 GBP
View
A
Retailer 9
-
$678 USD
€646 EUR
View
A
Retailer 10
-
$689 USD
View
A
Retailer 11
-
$744 USD
ZAR 12,021 ZAR
View
A
Retailer 12
-
$767 USD
£604 GBP
View
B+
Retailer 13
-
$940 USD
View
B+
Retailer 14
-
$1,002 USD
A$1,541 AUD
View
B+
Retailer 15
-
$1,008 USD
View
B+
Retailer 16
-
$1,387 USD
View
B
Retailer 17
-
$1,402 USD
SGD 1,894 SGD
View
B
Retailer 18
-
$1,429 USD
View
B
Retailer 19
-
$1,535 USD
View
B
Retailer 20
-
$1,630 USD
View
Retailer 21
-
$1,688 USD
£1,329 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
$1,871 USD
View
Retailer 23
-
$1,970 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
20763342A · Oct 31
$3,780 USD
View
23 more retailers have this diamond
Prices start from $348 USDSave up to $3,432 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
$348 USD