CaratHunter
Plans
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 $452 NZD
$254 USD
As of October 27, 2026
Save $2,076 NZD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,528 NZD 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 $452 to $2,528, a $2,076 spread on the same certified stone. Brilliant Earth lists it at $2,528. 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
Colour
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

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: $434 NZD|High: $2,617 NZD|Avg: $1,169 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
October 29, 2026
Retailer 15$452 NZD
Retailer 6$525 NZD
Retailer 3$561 NZD
Retailer 7$561 NZD
Retailer 9$707 NZD
Retailer 12$846 NZD
Retailer 5$937 NZD
Retailer 11$965 NZD
Retailer 2$1,071 NZD
Retailer 10$1,367 NZD
Retailer 14$1,725 NZD
Retailer 4$1,805 NZD
Retailer 13$2,198 NZD
Retailer 8$2,261 NZD
Brilliant Earth$2,528 NZD

35 data points across 15 retailers

20 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
-
$707 NZD
£313 GBP
View
B+
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
-
$1,071 NZD
£473 GBP
View
B+
Retailer 13
-
$1,367 NZD
A$1,181 AUD
View
B
Retailer 14
-
$1,725 NZD
$969 USD
View
B
Retailer 15
-
$1,805 NZD
$1,014 USD
View
B
Retailer 16
-
$1,897 NZD
$1,065 USD
View
B
Retailer 17
-
$2,198 NZD
£972 GBP
View
B
Retailer 18
-
$2,261 NZD
£1,000 GBP
View
B
Retailer 19
-
$2,434 NZD
$1,367 USD
View
Most Expensive
B
Brilliant Earth
17975956A · Oct 29
$2,528 NZD
$1,420 USD
View
19 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