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0.53ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG704591803

Shape and cutting style on the report: Round brilliant

Certificate IGI LG704591803

Diamond specifications and retailer prices

From $148 AUD
$104 USD
As of October 30, 2026
Save $1,092 AUD (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,240 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.53ct lab-grown round diamond

This 0.53ct 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 LG704591803 or 704591803. Listed at 12 retailers as of October 29, 2026, with prices from $148 to $1,240, a $1,092 spread on the same certified stone. MOH London lists it at $1,240. 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

0.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG704591803
Dimensions5.16 × 5.19 × 3.20 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
5.16 mm5.19 mm0.53 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG704591803
Side View
Table 58.0%Crown 34.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.7%

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: $1,240 AUD|Low: $105 AUD|High: $1,240 AUD|Avg: $486 AUD|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$148 AUD
Retailer 7$151 AUD
Retailer 10$179 AUD
Retailer 8$235 AUD
Retailer 5$318 AUD
Retailer 3$347 AUD
Retailer 6$350 AUD
Retailer 11$394 AUD
Retailer 4$498 AUD
Retailer 12$624 AUD
Retailer 9$1,223 AUD
MOH London$1,240 AUD

41 data points across 12 retailers

12 retailers$148 AUD to $1,240 AUD

A
Cheapest Retailer
-
$148 AUD
$104 USD
A
Retailer 2
-
$151 AUD
$106 USD
View
Final sale: no returns
A
Retailer 3
-
$179 AUD
$126 USD
View
Retailer 4
-
$235 AUD
$165 USD
View
Price last confirmed 9 days ago
A
Retailer 5
-
$318 AUD
£176 GBP
View
A
Retailer 6
-
$347 AUD
$244 USD
View
B+
Retailer 7
-
$350 AUD
€234 EUR
View
B+
Retailer 8
-
$394 AUD
$277 USD
View
B+
Retailer 9
-
$498 AUD
$350 USD
View
B
Retailer 10
-
$624 AUD
$438 USD
View
B
Retailer 11
-
$1,223 AUD
$859 USD
View
Most Expensive
B
MOH London
LG704591803 · Oct 29
$1,240 AUD
£686 GBP
View
11 more retailers have this diamond
Prices start from $148 AUDSave up to $1,092 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
0.53ct Round
$148 AUD