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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 $377 AUD
$265 USD
As of October 30, 2026
Save $1,492 AUD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,869 AUD 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 $377 to $1,869, a $1,492 spread on the same certified stone. Reve Diamonds lists it at $1,869. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $786 AUD|Low: $377 AUD|High: $1,869 AUD|Avg: $937 AUD|+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$377 AUD
Retailer 7$419 AUD
Retailer 6$474 AUD
Retailer 8$708 AUD
Retailer 2$739 AUD
Retailer 9$764 AUD
Retailer 1$786 AUD
Retailer 3$1,182 AUD
Retailer 5$1,352 AUD
Retailer 4$1,689 AUD
Reve Diamonds$1,869 AUD

29 data points across 11 retailers

14 retailers$377 AUD to $1,869 AUD

Retailer 1
-
$325 AUD
$228 USD
Price last confirmed 27 days ago
A
Retailer 2
-
$377 AUD
$265 USD
View
Final sale: no returns
Retailer 3
-
$414 AUD
$291 USD
View
Price last confirmed 37 days ago
Retailer 4
-
$419 AUD
$294 USD
View
Price last confirmed 29 days ago
Retailer 5
-
$474 AUD
HK$2,600 HKD
View
Price last confirmed 12 days ago
B+
Retailer 6
-
$708 AUD
$497 USD
View
B+
Retailer 7
-
$739 AUD
$519 USD
View
B+
Retailer 8
-
$764 AUD
$537 USD
View
B+
Retailer 9
-
$786 AUD
£435 GBP
View
Retailer 10
-
$1,182 AUD
$830 USD
View
Price last confirmed 14 days ago
B
Retailer 11
-
$1,352 AUD
$950 USD
View
B
Retailer 12
-
$1,422 AUD
$999 USD
View
Retailer 13
-
$1,689 AUD
£934 GBP
View
Price last confirmed 14 days ago
Most Expensive
B
Reve Diamonds
6F2B2C6FA · Oct 30
$1,869 AUD
$1,313 USD
View
13 more retailers have this diamond
Prices start from $377 AUDSave up to $1,492 AUD

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
$377 AUD