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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 $452 NZD
$254 USD
As of October 27, 2026
Save $2,076 NZD (82%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $2,528 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 LG645454916 or 645454916. Listed at 19 retailers as of October 27, 2026, with prices from $452 to $2,528, a $2,076 spread on the same certified stone. Brilliant Earth lists it at $2,528. 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 angle38.2°
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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $2,528 NZD|Low: $486 NZD|High: $2,617 NZD|Avg: $1,363 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
Retailer 15
Retailer 16
October 29, 2026
Retailer 7$506 NZD
Retailer 15$561 NZD
Retailer 12$846 NZD
Retailer 4$912 NZD
Retailer 3$937 NZD
Retailer 11$965 NZD
Retailer 5$1,015 NZD
Retailer 2$1,071 NZD
Retailer 10$1,367 NZD
Retailer 14$1,725 NZD
Retailer 16$1,805 NZD
Retailer 6$1,897 NZD
Retailer 13$2,198 NZD
Retailer 9$2,261 NZD
Retailer 8$2,434 NZD
Brilliant Earth$2,528 NZD

42 data points across 16 retailers

19 retailers$452 NZD to $2,528 NZD

A
Cheapest Retailer
-
$452 NZD
$254 USD
A
Retailer 2
-
$506 NZD
$284 USD
View
Final sale: no returns
A
Retailer 3
-
$525 NZD
$295 USD
View
A
Retailer 4
-
$561 NZD
$315 USD
View
A
Retailer 5
-
$561 NZD
$315 USD
View
A
Retailer 6
-
$846 NZD
$475 USD
View
B+
Retailer 7
-
$912 NZD
$512 USD
View
B+
Retailer 8
-
$937 NZD
$526 USD
View
B+
Retailer 9
-
$965 NZD
ZAR 8,754 ZAR
View
B+
Retailer 10
-
$1,015 NZD
$570 USD
View
B+
Retailer 11
-
$1,071 NZD
£473 GBP
View
B+
Retailer 12
-
$1,367 NZD
A$1,181 AUD
View
B
Retailer 13
-
$1,725 NZD
$969 USD
View
B
Retailer 14
-
$1,805 NZD
$1,014 USD
View
B
Retailer 15
-
$1,897 NZD
$1,065 USD
View
B
Retailer 16
-
$2,198 NZD
£972 GBP
View
B
Retailer 17
-
$2,261 NZD
£1,000 GBP
View
B
Retailer 18
-
$2,434 NZD
$1,367 USD
View
Most Expensive
B
Brilliant Earth
17976126A · Oct 28
$2,528 NZD
$1,420 USD
View
18 more retailers have this diamond
Prices start from $452 NZDSave up to $2,076 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
$452 NZD