Radiant|Lab Grown|IGI

1.30ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG645454916

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

Certificate IGI LG645454916

Diamond specifications and retailer prices

From $254 USD
As of October 27, 2026
Save $1,166 USD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,420 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG645454916 or 645454916. Listed at 19 retailers as of October 27, 2026, with prices from $254 to $1,420, a $1,166 spread on the same certified stone. Brilliant Earth lists it at $1,420. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle34.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645454916
Dimensions7.89 × 5.33 × 3.66 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.89 mm5.33 mm1.30 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645454916
Side View
Table 65.0%Crown 38.2°Girdle: STK-THKPavilion 34.8°Culet: NoneDepth 68.7%

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 27
Current: $1,420 USD|Low: $273 USD|High: $1,470 USD|Avg: $766 USD|-3.4%
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
October 29, 2026
Retailer 7$284 USD
Retailer 15$315 USD
Retailer 12$475 USD
Retailer 4$512 USD
Retailer 3$526 USD
Retailer 11$542 USD
Retailer 5$570 USD
Retailer 2$601 USD
Retailer 10$768 USD
Retailer 14$969 USD
Retailer 16$1,014 USD
Retailer 6$1,065 USD
Retailer 13$1,234 USD
Retailer 9$1,270 USD
Retailer 8$1,367 USD
Brilliant Earth$1,420 USD

42 data points across 16 retailers

19 retailers$254 USD to $1,420 USD

A
Cheapest Retailer
-
$254 USD
A
Retailer 2
-
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$295 USD
View
A
Retailer 4
-
$315 USD
View
A
Retailer 5
-
$315 USD
View
A
Retailer 6
-
$475 USD
View
B+
Retailer 7
-
$512 USD
View
B+
Retailer 8
-
$526 USD
View
B+
Retailer 9
-
$542 USD
ZAR 8,754 ZAR
View
B+
Retailer 10
-
$570 USD
View
B+
Retailer 11
-
$601 USD
£473 GBP
View
B+
Retailer 12
-
$768 USD
A$1,181 AUD
View
B
Retailer 13
-
$969 USD
View
B
Retailer 14
-
$1,014 USD
View
B
Retailer 15
-
$1,065 USD
View
B
Retailer 16
-
$1,234 USD
£972 GBP
View
B
Retailer 17
-
$1,270 USD
£1,000 GBP
View
B
Retailer 18
-
$1,367 USD
View
Most Expensive
B
Brilliant Earth
17976126A · Oct 29
$1,420 USD
View
18 more retailers have this diamond
Prices start from $254 USDSave up to $1,166 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
1.30ct Radiant
$254 USD