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Radiant|Lab Grown|IGI

1.58ct F VS1 Radiant Lab Grown Diamond

EX • F/VS1 • IGI LG778670775

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG778670775

Diamond specifications and retailer prices

From $201 USD
As of October 30, 2026
Save $1,119 USD (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $1,320 USD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.58ct lab-grown radiant diamond

This 1.58ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778670775 or 778670775. Listed at 21 retailers as of October 30, 2026, with prices from $201 to $1,320, a $1,119 spread on the same certified stone. Brilliant Earth lists it at $1,320. 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.9°
Pavilion angle32°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778670775
Dimensions8.35 × 3.62 mm
L/W Ratio2.31
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.35 mm3.62 mm1.58 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778670775
Side View
Table 70.0%Crown 44.9°Girdle: STK-THKPavilion 32°Culet: NoneDepth 62.0%

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: Oct 30
Current: $1,320 USD|Low: $195 USD|High: $1,540 USD|Avg: $624 USD|-13.7%
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
October 31, 2026
Retailer 15$201 USD
Retailer 14$224 USD
Retailer 8$234 USD
Retailer 20$249 USD
Retailer 11$251 USD
Retailer 5$430 USD
Retailer 16$433 USD
Retailer 17$457 USD
Retailer 9$545 USD
Retailer 13$583 USD
Retailer 6$584 USD
Retailer 2$649 USD
Retailer 12$806 USD
Retailer 10$814 USD
Retailer 19$855 USD
Retailer 3$887 USD
Retailer 4$985 USD
Retailer 18$1,002 USD
Retailer 7$1,173 USD
Brilliant Earth$1,320 USD

28 data points across 20 retailers

21 retailers$201 USD to $1,320 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$224 USD
View
Final sale: no returns
A
Retailer 3
-
$234 USD
View
A
Retailer 4
-
$249 USD
View
Retailer 5
-
$251 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$430 USD
ZAR 6,954 ZAR
View
B+
Retailer 7
-
$433 USD
View
A
Retailer 8
-
$457 USD
£360 GBP
View
A
Retailer 9
-
$545 USD
View
A
Retailer 10
-
$583 USD
View
A
Retailer 11
-
$584 USD
A$899 AUD
View
B+
Retailer 12
-
$649 USD
View
B+
Retailer 13
-
$806 USD
View
B+
Retailer 14
-
$814 USD
SGD 1,100 SGD
View
B+
Retailer 15
-
$855 USD
View
B+
Retailer 16
-
$887 USD
A$1,364 AUD
View
B+
Retailer 17
-
$985 USD
View
B+
Retailer 18
-
$1,002 USD
View
B
Retailer 19
-
$1,027 USD
View
Retailer 20
-
$1,173 USD
£924 GBP
View
Price last confirmed 7 days ago
Most Expensive
B
Brilliant Earth
21501264A · Oct 30
$1,320 USD
View
20 more retailers have this diamond
Prices start from $201 USDSave up to $1,119 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 Radiant
$201 USD