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Radiant|Lab Grown|IGI

1.30ct E VS1 Radiant Lab Grown Diamond

VG • E/VS1 • IGI LG838638657

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

Certificate IGI LG838638657

Diamond specifications and retailer prices

From $351 NZD
$197 USD
As of October 27, 2026
Save $2,178 NZD (86%) 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 LG838638657 or 838638657. Listed at 20 retailers as of October 27, 2026, with prices from $351 to $2,528, a $2,178 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 angle45.5°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838638657
Dimensions7.63 × 5.32 × 3.63 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.63 mm5.32 mm1.30 ctE / VS1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838638657
Side View
Table 65.0%Crown 45.5°Girdle: MED-STKPavilion 34.7°Culet: NoneDepth 68.2%

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: $351 NZD|High: $2,617 NZD|Avg: $1,056 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
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 19$351 NZD
Retailer 9$392 NZD
Retailer 15$408 NZD
Retailer 4$436 NZD
Retailer 5$436 NZD
Retailer 18$549 NZD
Retailer 13$749 NZD
Retailer 10$758 NZD
Retailer 2$797 NZD
Retailer 17$815 NZD
Retailer 7$876 NZD
Retailer 6$1,011 NZD
Retailer 14$1,066 NZD
Retailer 3$1,401 NZD
Retailer 16$1,407 NZD
Retailer 8$1,497 NZD
Retailer 12$2,049 NZD
Retailer 11$2,111 NZD
Brilliant Earth$2,528 NZD

21 data points across 19 retailers

20 retailers$351 NZD to $2,528 NZD

A
Cheapest Retailer
-
$351 NZD
$197 USD
A
Retailer 2
-
$392 NZD
$220 USD
View
Final sale: no returns
A
Retailer 3
-
$408 NZD
$229 USD
View
A
Retailer 4
-
$436 NZD
$245 USD
View
A
Retailer 5
-
$436 NZD
$245 USD
View
Retailer 6
-
$549 NZD
£243 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
$749 NZD
ZAR 6,793 ZAR
View
A
Retailer 8
-
$758 NZD
$426 USD
View
A
Retailer 9
-
$797 NZD
£353 GBP
View
B+
Retailer 10
-
$815 NZD
€436 EUR
View
B+
Retailer 11
-
$876 NZD
$492 USD
View
B+
Retailer 12
-
$1,011 NZD
$568 USD
View
B+
Retailer 13
-
$1,066 NZD
A$921 AUD
View
Retailer 14
-
$1,380 NZD
$775 USD
View
Price last confirmed 8 days ago
B
Retailer 15
-
$1,401 NZD
$787 USD
View
B
Retailer 16
-
$1,407 NZD
$790 USD
View
B
Retailer 17
-
$1,497 NZD
$841 USD
View
B
Retailer 18
-
$2,049 NZD
£906 GBP
View
B
Retailer 19
-
$2,111 NZD
$1,186 USD
View
Most Expensive
B
Brilliant Earth
21756220A · Oct 29
$2,528 NZD
$1,420 USD
View
19 more retailers have this diamond
Prices start from $351 NZDSave up to $2,178 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
$351 NZD