Radiant|Lab Grown|IGI

1.30ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG780612530

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

Certificate IGI LG780612530

Diamond specifications and retailer prices

From $405 NZD
$228 USD
As of October 30, 2026
Save $3,487 NZD (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,892 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780612530 or 780612530. Listed at 20 retailers as of October 30, 2026, with prices from $405 to $3,892, a $3,487 spread on the same certified stone. Do Amore Diamonds lists it at $3,892. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780612530
Dimensions7.73 × 5.37 × 3.59 mm
L/W Ratio1.44
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.73 mm5.37 mm1.30 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780612530
Side View
Table 61.0%Crown 41.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.9%

Caratlytics Score

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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 30
Current: $3,892 NZD|Low: $389 NZD|High: $3,892 NZD|Avg: $1,461 NZD
Do Amore Diamonds
Retailer 2
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Retailer 12
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Retailer 19
November 1, 2026
Retailer 17$405 NZD
Retailer 8$453 NZD
Retailer 4$471 NZD
Retailer 5$503 NZD
Retailer 18$503 NZD
Retailer 3$851 NZD
Retailer 7$937 NZD
Retailer 12$953 NZD
Retailer 2$1,056 NZD
Retailer 9$1,233 NZD
Retailer 13$1,350 NZD
Retailer 16$1,621 NZD
Retailer 19$1,783 NZD
Retailer 10$2,087 NZD
Retailer 6$2,149 NZD
Retailer 15$2,235 NZD
Retailer 11$2,279 NZD
Retailer 14$2,968 NZD
Do Amore Diamonds$3,892 NZD

43 data points across 19 retailers

20 retailers$405 NZD to $3,892 NZD

A
Cheapest Retailer
-
$405 NZD
$228 USD
A
Retailer 2
-
$453 NZD
$255 USD
View
Final sale: no returns
A
Retailer 3
-
$471 NZD
$265 USD
View
Retailer 4
-
$503 NZD
$283 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$503 NZD
$283 USD
View
A
Retailer 6
-
$751 NZD
HK$3,300 HKD
View
A
Retailer 7
-
$851 NZD
$479 USD
View
A
Retailer 8
-
$937 NZD
$527 USD
View
A
Retailer 9
-
$953 NZD
ZAR 8,663 ZAR
View
A
Retailer 10
-
$1,056 NZD
£468 GBP
View
A
Retailer 11
-
$1,233 NZD
$694 USD
View
A
Retailer 12
-
$1,350 NZD
A$1,169 AUD
View
B+
Retailer 13
-
$1,621 NZD
$912 USD
View
B+
Retailer 14
-
$1,783 NZD
$1,003 USD
View
B+
Retailer 15
-
$2,087 NZD
$1,174 USD
View
B+
Retailer 16
-
$2,149 NZD
SGD 1,634 SGD
View
B+
Retailer 17
-
$2,235 NZD
£990 GBP
View
B
Retailer 18
-
$2,279 NZD
$1,282 USD
View
B
Retailer 19
-
$2,968 NZD
$1,670 USD
View
Most Expensive
B
Do Amore Diamonds
27-652EF0865 · Oct 31
$3,892 NZD
$2,190 USD
View
19 more retailers have this diamond
Prices start from $405 NZDSave up to $3,487 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
$405 NZD