CaratHunter
Plans
Round|Lab Grown|IGI

0.52ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG685523399

Shape and cutting style on the report: Round brilliant

Certificate IGI LG685523399

Diamond specifications and retailer prices

From $126 AUD
As of November 5, 2026
Save $1,071 AUD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,196 AUD at Reve Diamonds · As of November 6, 2026
View at Reve Diamonds

About this 0.52ct lab-grown round diamond

This 0.52ct lab-grown round sits in the half to three-quarter carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG685523399 or 685523399. Listed at 16 retailers as of November 5, 2026, with prices from $126 to $1,196, a $1,071 spread on the same certified stone. Reve Diamonds lists it at $1,196. 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

0.52
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG685523399
Dimensions5.21 × 5.25 × 3.11 mm
L/W Ratio1.01
Girdle conditionFaceted
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
5.21 mm5.25 mm0.52 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG685523399
Side View
Table 61.0%Crown 33.5°Girdle: MediumPavilion 40.7°Culet: NoneDepth 59.4%

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: Nov 5
Current: $344 AUD|Low: $126 AUD|High: $1,227 AUD|Avg: $412 AUD|+8.1%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Reve Diamonds
November 6, 2026
Retailer 9$126 AUD
Retailer 13$140 AUD
Retailer 4$147 AUD
Retailer 12$167 AUD
Retailer 5$177 AUD
Retailer 6$284 AUD
Retailer 3$333 AUD
Retailer 1$344 AUD
Retailer 10$490 AUD
Retailer 2$503 AUD
Retailer 7$561 AUD
Retailer 11$587 AUD
Retailer 8$1,150 AUD
Reve Diamonds$1,196 AUD

44 data points across 14 retailers

16 retailers$126 AUD to $1,196 AUD

A
Cheapest Retailer
-
$126 AUD
A
Retailer 2
-
$140 AUD
View
Final sale: no returns
A
Retailer 3
-
$147 AUD
View
A
Retailer 4
-
$167 AUD
View
Retailer 5
-
$177 AUD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$284 AUD
View
Retailer 7
-
$323 AUD
View
Price last confirmed 89 days ago
A
Retailer 8
-
$333 AUD
View
B+
Retailer 9
-
$344 AUD
View
B+
Retailer 10
-
$359 AUD
View
B+
Retailer 11
-
$490 AUD
View
B+
Retailer 12
-
$503 AUD
View
B+
Retailer 13
-
$561 AUD
View
B
Retailer 14
-
$587 AUD
View
B
Retailer 15
-
$1,150 AUD
View
Most Expensive
B
Reve Diamonds
C5A5CF61B · Nov 6
$1,196 AUD
$838 USD
View
15 more retailers have this diamond
Prices start from $126 AUDSave up to $1,071 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
0.52ct Round
$126 AUD