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 $420 NZD
As of November 1, 2026
Save $1,853 NZD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,273 NZD 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 $420 to $2,273, a $1,853 spread on the same certified stone. Brilliant Earth lists it at $2,273. 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: $2,273 NZD|Low: $348 NZD|High: $2,345 NZD|Avg: $1,040 NZD|-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$363 NZD
Retailer 5$420 NZD
Retailer 11$451 NZD
Retailer 14$451 NZD
Retailer 10$579 NZD
Retailer 9$772 NZD
Retailer 4$781 NZD
Retailer 7$824 NZD
Retailer 6$915 NZD
Retailer 2$1,219 NZD
Retailer 13$1,371 NZD
Retailer 3$1,447 NZD
Retailer 8$2,105 NZD
Brilliant Earth$2,273 NZD

41 data points across 14 retailers

16 retailers$420 NZD to $2,273 NZD

Retailer 1
-
$363 NZD
Price last confirmed 8 days ago
B+
Retailer 2
-
$420 NZD
View
B+
Retailer 3
-
$451 NZD
View
Retailer 4
-
$451 NZD
View
Price last confirmed 13 days ago
B+
Retailer 5
-
$772 NZD
View
B
Retailer 6
-
$781 NZD
View
B+
Retailer 7
-
$824 NZD
View
B+
Retailer 8
-
$853 NZD
View
B+
Retailer 9
-
$915 NZD
View
B+
Retailer 10
-
$1,203 NZD
View
B+
Retailer 11
-
$1,219 NZD
View
Retailer 12
-
$1,371 NZD
View
Price last confirmed 10 days ago
B
Retailer 13
-
$1,447 NZD
View
B
Retailer 14
-
$1,542 NZD
View
B
Retailer 15
-
$2,105 NZD
View
Most Expensive
B
Brilliant Earth
19001599A · Nov 2
$2,273 NZD
$1,260 USD
View
15 more retailers have this diamond
Prices start from $420 NZDSave up to $1,853 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.

B+
1.53ct Radiant
$420 NZD