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Radiant|Lab Grown|IGI

4.91ct F VS1 Radiant Lab Grown Diamond

VG • F/VS1 • IGI LG837623183

Certificate IGI LG837623183

Diamond specifications and retailer prices

From $673 USD
Save $8,687 USD (93%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $9,360 USD at Brilliant Earth
View at Brilliant Earth

About this 4.91ct lab-grown radiant diamond

This 4.91ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG837623183 or 837623183. Listed at 26 retailers, with prices from $673 to $9,360 at Brilliant Earth, a $8,687 spread on the same certified stone. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

4.91
Carat
F
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.1°
Pavilion angle32.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG837623183
Dimensions11.93 × 8.36 × 5.49 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.93 mm8.36 mm4.91 ctF / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG837623183
Side View
Table 61.0%Crown 44.1°Girdle: MediumPavilion 32.6°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $9,360 USD|Low: $673 USD|High: $9,360 USD|Avg: $2,161 USD
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 22$673 USD
Retailer 13$703 USD
Retailer 4$732 USD
Retailer 12$753 USD
Retailer 15$770 USD
Retailer 7$909 USD
Retailer 8$960 USD
Retailer 16$1,118 USD
Retailer 10$1,159 USD
Retailer 11$1,184 USD
Retailer 23$1,247 USD
Retailer 3$1,628 USD
Retailer 25$1,677 USD
Retailer 24$1,922 USD
Retailer 14$2,038 USD
Retailer 21$2,194 USD
Retailer 6$2,423 USD
Retailer 17$2,577 USD
Retailer 18$2,628 USD
Retailer 19$2,692 USD
Retailer 9$2,926 USD
Retailer 20$3,303 USD
Retailer 2$3,327 USD
Retailer 5$3,627 USD
Retailer 26$4,195 USD
Brilliant Earth$9,360 USD

8 data points across 26 retailers

26 retailers$673 USD to $9,360 USD

A
Cheapest Retailer
-
$673 USD
A
Retailer 2
-
$703 USD
£554 GBP
View
A
Retailer 3
-
$732 USD
View
A
Retailer 4
-
$753 USD
View
B+
Retailer 5
-
$770 USD
View
B+
Retailer 6
-
$909 USD
HK$7,100 HKD
View
B+
Retailer 7
-
$960 USD
View
B+
Retailer 8
-
$1,118 USD
View
B+
Retailer 9
-
$1,159 USD
View
B+
Retailer 10
-
$1,184 USD
€1,128 EUR
View
A
Retailer 11
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$1,248 USD
£983 GBP
View
B+
Retailer 12
-
$1,628 USD
ZAR 26,293 ZAR
View
B+
Retailer 13
-
$1,677 USD
A$2,580 AUD
View
B+
Retailer 14
-
$1,922 USD
View
B
Retailer 15
-
$2,038 USD
View
B
Retailer 16
-
$2,194 USD
View
B
Retailer 17
-
$2,423 USD
£1,908 GBP
View
B
Retailer 18
-
$2,577 USD
View
B
Retailer 19
-
$2,628 USD
SGD 3,552 SGD
View
B
Retailer 20
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$2,692 USD
View
B
Retailer 21
-
$2,926 USD
View
B
Retailer 22
-
$3,303 USD
A$5,082 AUD
View
B
Retailer 23
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$3,327 USD
£2,620 GBP
View
B
Retailer 24
-
$3,701 USD
View
B
Retailer 25
-
$4,195 USD
View
Most Expensive
C
Brilliant Earth
21548009A · Oct 1
$9,360 USD
View
25 more retailers have this diamond
Prices start from $673 USDSave up to $8,687 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.

A
4.91ct Radiant
$673 USD