Radiant|Lab Grown|IGI

1.30ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG634437671

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

Certificate IGI LG634437671

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 28, 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 LG634437671 or 634437671. 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. 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 angle38.9°
Pavilion angle36.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634437671
Dimensions7.70 × 5.54 × 3.74 mm
L/W Ratio1.39
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.70 mm5.54 mm1.30 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634437671
Side View
Table 66.0%Crown 38.9°Girdle: MediumPavilion 36.3°Culet: NoneDepth 67.5%

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: $244 USD|High: $1,470 USD|Avg: $708 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
October 29, 2026
Retailer 13$254 USD
Retailer 6$295 USD
Retailer 3$315 USD
Retailer 8$397 USD
Retailer 11$475 USD
Retailer 5$526 USD
Retailer 10$542 USD
Retailer 2$601 USD
Retailer 9$768 USD
Retailer 12$969 USD
Retailer 4$1,014 USD
Retailer 14$1,234 USD
Retailer 7$1,270 USD
Brilliant Earth$1,420 USD

33 data points across 14 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
A
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
17975897A · Oct 28
$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