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Radiant|Lab Grown|IGI

1.30ct D SI1 Radiant Lab Grown Diamond

VG • D/SI1 • IGI LG534234422

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

Certificate IGI LG534234422

Diamond specifications and retailer prices

From $471 NZD
$265 USD
As of October 30, 2026
Save $1,863 NZD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,334 NZD at Reve Diamonds · As of October 30, 2026
View at Reve 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 D colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG534234422 or 534234422. Listed at 14 retailers as of October 30, 2026, with prices from $471 to $2,334, a $1,863 spread on the same certified stone. Reve Diamonds lists it at $2,334. 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
D
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46.9°
Pavilion angle33.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG534234422
Dimensions7.54 × 5.32 × 3.74 mm
L/W Ratio1.42
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
7.54 mm5.32 mm1.30 ctD / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG534234422
Side View
Table 69.0%Crown 46.9°Girdle: MediumPavilion 33.8°Culet: NoneDepth 70.3%

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 30
Current: $982 NZD|Low: $471 NZD|High: $2,334 NZD|Avg: $1,170 NZD|+3.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Reve Diamonds
October 31, 2026
Retailer 10$471 NZD
Retailer 7$523 NZD
Retailer 6$591 NZD
Retailer 8$883 NZD
Retailer 2$922 NZD
Retailer 9$954 NZD
Retailer 1$982 NZD
Retailer 3$1,475 NZD
Retailer 5$1,688 NZD
Retailer 4$2,108 NZD
Reve Diamonds$2,334 NZD

29 data points across 11 retailers

14 retailers$471 NZD to $2,334 NZD

Retailer 1
-
$405 NZD
$228 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$471 NZD
$265 USD
View
Final sale: no returns
Retailer 3
-
$517 NZD
$291 USD
View
Price last confirmed 38 days ago
Retailer 4
-
$523 NZD
$294 USD
View
Price last confirmed 30 days ago
Retailer 5
-
$591 NZD
HK$2,600 HKD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$883 NZD
$497 USD
View
B+
Retailer 7
-
$922 NZD
$519 USD
View
B+
Retailer 8
-
$954 NZD
$537 USD
View
B+
Retailer 9
-
$982 NZD
£435 GBP
View
Retailer 10
-
$1,475 NZD
$830 USD
View
Price last confirmed 14 days ago
B
Retailer 11
-
$1,688 NZD
$950 USD
View
B
Retailer 12
-
$1,775 NZD
$999 USD
View
Retailer 13
-
$2,108 NZD
£934 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Reve Diamonds
6F2B2C6FA · Oct 30
$2,334 NZD
$1,313 USD
View
13 more retailers have this diamond
Prices start from $471 NZDSave up to $1,863 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
$471 NZD