CaratHunter
Plans
Radiant|Lab Grown|IGI

1.53ct F SI1 Radiant Lab Grown Diamond

GD • F/SI1 • IGI LG615383108

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

Certificate IGI LG615383108

Diamond specifications and retailer prices

From $339 AUD
As of November 1, 2026
Save $1,495 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,834 AUD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.53ct lab-grown radiant diamond

This 1.53ct lab-grown radiant sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG615383108 or 615383108. Listed at 16 retailers as of November 1, 2026, with prices from $339 to $1,834, a $1,495 spread on the same certified stone. Brilliant Earth lists it at $1,834. 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

1.53
Carat
F
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615383108
Dimensions8.10 × 5.87 × 3.99 mm
L/W Ratio1.38
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.10 mm5.87 mm1.53 ctF / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615383108
Side View
Table 67.0%Crown 37.1°Girdle: MediumPavilion 38.9°Culet: NoneDepth 68.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $1,834 AUD|Low: $281 AUD|High: $1,892 AUD|Avg: $839 AUD|-3.1%
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
November 2, 2026
Retailer 12$293 AUD
Retailer 5$339 AUD
Retailer 11$364 AUD
Retailer 14$364 AUD
Retailer 10$467 AUD
Retailer 9$623 AUD
Retailer 4$630 AUD
Retailer 7$665 AUD
Retailer 6$738 AUD
Retailer 2$984 AUD
Retailer 13$1,106 AUD
Retailer 3$1,167 AUD
Retailer 8$1,698 AUD
Brilliant Earth$1,834 AUD

41 data points across 14 retailers

16 retailers$339 AUD to $1,834 AUD

Retailer 1
-
$293 AUD
Price last confirmed 8 days ago
B+
Retailer 2
-
$339 AUD
View
B+
Retailer 3
-
$364 AUD
View
Retailer 4
-
$364 AUD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$623 AUD
View
B
Retailer 6
-
$630 AUD
View
B+
Retailer 7
-
$665 AUD
View
B+
Retailer 8
-
$688 AUD
View
B+
Retailer 9
-
$738 AUD
View
B+
Retailer 10
-
$971 AUD
View
B+
Retailer 11
-
$984 AUD
View
Retailer 12
-
$1,106 AUD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$1,167 AUD
View
B
Retailer 14
-
$1,244 AUD
View
B
Retailer 15
-
$1,698 AUD
View
Most Expensive
B
Brilliant Earth
19001599A · Nov 2
$1,834 AUD
$1,260 USD
View
15 more retailers have this diamond
Prices start from $339 AUDSave up to $1,495 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.

B+
1.53ct Radiant
$339 AUD