Radiant|Lab Grown|IGI

1.30ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG645443634

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

Certificate IGI LG645443634

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)
20 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 very-good cut grade and certified by IGI LG645443634 or 645443634. Listed at 20 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. 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

1.30
Carat
E
Color
VS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.3°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG645443634
Dimensions7.81 × 5.40 × 3.77 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.40 mm1.30 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG645443634
Side View
Table 66.0%Crown 41.3°Girdle: MED-STKPavilion 37.1°Culet: NoneDepth 69.8%

Caratlytics Score

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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: $244 USD|High: $1,470 USD|Avg: $656 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
October 29, 2026
Retailer 15$254 USD
Retailer 6$295 USD
Retailer 3$315 USD
Retailer 7$315 USD
Retailer 9$397 USD
Retailer 12$475 USD
Retailer 5$526 USD
Retailer 11$542 USD
Retailer 2$601 USD
Retailer 10$768 USD
Retailer 14$969 USD
Retailer 4$1,014 USD
Retailer 13$1,234 USD
Retailer 8$1,270 USD
Brilliant Earth$1,420 USD

35 data points across 15 retailers

20 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
-
$397 USD
£313 GBP
View
B+
Retailer 7
-
$475 USD
View
B+
Retailer 8
-
$512 USD
View
B+
Retailer 9
-
$526 USD
View
B+
Retailer 10
-
$542 USD
ZAR 8,754 ZAR
View
B+
Retailer 11
-
$570 USD
View
B+
Retailer 12
-
$601 USD
£473 GBP
View
B+
Retailer 13
-
$768 USD
A$1,181 AUD
View
B
Retailer 14
-
$969 USD
View
B
Retailer 15
-
$1,014 USD
View
B
Retailer 16
-
$1,065 USD
View
B
Retailer 17
-
$1,234 USD
£972 GBP
View
B
Retailer 18
-
$1,270 USD
£1,000 GBP
View
B
Retailer 19
-
$1,367 USD
View
Most Expensive
B
Brilliant Earth
17975956A · Oct 29
$1,420 USD
View
19 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