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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 $453 NZD
$254 USD
As of October 27, 2026
Save $2,077 NZD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,530 NZD 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 $453 to $2,530, a $2,077 spread on the same certified stone. Brilliant Earth lists it at $2,530. 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
Colour
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: $2,530 NZD|Low: $435 NZD|High: $2,619 NZD|Avg: $1,261 NZD|-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$453 NZD
Retailer 6$526 NZD
Retailer 3$561 NZD
Retailer 7$708 NZD
Retailer 11$846 NZD
Retailer 5$937 NZD
Retailer 9$965 NZD
Retailer 10$1,065 NZD
Retailer 8$1,368 NZD
Retailer 12$1,726 NZD
Retailer 4$1,806 NZD
Retailer 14$2,199 NZD
Retailer 2$2,263 NZD
Brilliant Earth$2,530 NZD

33 data points across 14 retailers

20 retailers$453 NZD to $2,530 NZD

A
Cheapest Retailer
-
$453 NZD
$254 USD
A
Retailer 2
-
$506 NZD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$526 NZD
$295 USD
View
A
Retailer 4
-
$561 NZD
$315 USD
View
A
Retailer 5
-
$561 NZD
$315 USD
View
A
Retailer 6
-
$708 NZD
£313 GBP
View
A
Retailer 7
-
$846 NZD
$475 USD
View
B+
Retailer 8
-
$912 NZD
$512 USD
View
B+
Retailer 9
-
$937 NZD
$526 USD
View
B+
Retailer 10
-
$965 NZD
ZAR 8,754 ZAR
View
B+
Retailer 11
-
$1,015 NZD
$570 USD
View
B+
Retailer 12
-
$1,065 NZD
£471 GBP
View
B+
Retailer 13
-
$1,368 NZD
A$1,181 AUD
View
B
Retailer 14
-
$1,726 NZD
$969 USD
View
B
Retailer 15
-
$1,806 NZD
$1,014 USD
View
B
Retailer 16
-
$1,898 NZD
$1,065 USD
View
B
Retailer 17
-
$2,199 NZD
£972 GBP
View
B
Retailer 18
-
$2,263 NZD
£1,000 GBP
View
B
Retailer 19
-
$2,435 NZD
$1,367 USD
View
Most Expensive
B
Brilliant Earth
17975897A · Oct 28
$2,530 NZD
$1,420 USD
View
19 more retailers have this diamond
Prices start from $453 NZDSave up to $2,077 NZD

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
$453 NZD