CaratHunter
Plans
Radiant|Lab Grown|IGI

1.52ct D SI1 Radiant Lab Grown Diamond

ID • D/SI1 • IGI LG634499931

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

Certificate IGI LG634499931

Diamond specifications and retailer prices

From $255 AUD
$179 USD
As of October 30, 2026
Save $1,653 AUD (87%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,908 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.52ct lab-grown radiant diamond

This 1.52ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG634499931 or 634499931. Listed at 16 retailers as of October 29, 2026, with prices from $255 to $1,908, a $1,653 spread on the same certified stone. Brilliant Earth lists it at $1,908. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.52
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle27.9°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG634499931
Dimensions8.06 × 5.66 × 3.88 mm
L/W Ratio1.42
Girdle conditionFaceted
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
8.06 mm5.66 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG634499931
Side View
Table 65.0%Crown 27.9°Girdle: MediumPavilion 36°Culet: NoneDepth 68.6%

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: $1,908 AUD|Low: $255 AUD|High: $2,022 AUD|Avg: $809 AUD|-5.6%
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
Retailer 15
October 30, 2026
Retailer 13$255 AUD
Retailer 8$296 AUD
Retailer 3$317 AUD
Retailer 15$317 AUD
Retailer 12$354 AUD
Retailer 4$562 AUD
Retailer 2$570 AUD
Retailer 10$581 AUD
Retailer 7$699 AUD
Retailer 6$793 AUD
Retailer 14$1,018 AUD
Retailer 9$1,076 AUD
Retailer 5$1,438 AUD
Retailer 11$1,490 AUD
Brilliant Earth$1,908 AUD

39 data points across 15 retailers

16 retailers$255 AUD to $1,908 AUD

A
Cheapest Retailer
-
$255 AUD
$179 USD
A
Retailer 2
-
$296 AUD
$208 USD
View
A
Retailer 3
-
$317 AUD
$223 USD
View
A
Retailer 4
-
$317 AUD
$223 USD
View
Retailer 5
-
$354 AUD
£196 GBP
View
Price last confirmed 14 days ago
B+
Retailer 6
-
$562 AUD
$395 USD
View
A
Retailer 7
-
$570 AUD
£315 GBP
View
Retailer 8
-
$581 AUD
€389 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
$699 AUD
$491 USD
View
B+
Retailer 10
-
$793 AUD
$557 USD
View
B+
Retailer 11
-
$1,018 AUD
$715 USD
View
B
Retailer 12
-
$1,076 AUD
$756 USD
View
B
Retailer 13
-
$1,112 AUD
£615 GBP
View
B
Retailer 14
-
$1,438 AUD
$1,010 USD
View
B
Retailer 15
-
$1,490 AUD
£824 GBP
View
Most Expensive
B
Brilliant Earth
10435411A · Oct 29
$1,908 AUD
$1,340 USD
View
15 more retailers have this diamond
Prices start from $255 AUDSave up to $1,653 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
1.52ct Radiant
$255 AUD