CaratHunter
Plans
Round|Lab Grown|IGI

1.52ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG517203620

Shape and cutting style on the report: Round brilliant

Certificate IGI LG517203620

Diamond specifications and retailer prices

From $303 AUD
As of November 5, 2026
Save $977 AUD (76%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,509 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 1.52ct lab-grown round diamond

This 1.52ct lab-grown round 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 LG517203620 or 517203620. Listed at 18 retailers as of November 5, 2026, with a 323% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG517203620
Dimensions7.36 × 7.33 × 4.58 mm
L/W Ratio1.00
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
7.36 mm7.33 mm1.52 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG517203620
Side View
Table 56.5%Crown 35°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.4%

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: $1,509 AUD|Low: $290 AUD|High: $1,520 AUD|Avg: $704 AUD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$303 AUD
Retailer 9$374 AUD
Retailer 10$374 AUD
Retailer 2$580 AUD
Retailer 4$631 AUD
Retailer 7$644 AUD
Retailer 3$684 AUD
Retailer 6$1,204 AUD
Retailer 5$1,209 AUD
MOH London$1,509 AUD

42 data points across 10 retailers

18 retailers$303 AUD to $1,280 AUD

Retailer 1
-
$290 AUD
Price last confirmed 36 days ago
A
Retailer 2
-
$303 AUD
View
A
Retailer 3
-
$339 AUD
View
Final sale: no returns
Retailer 4
-
$350 AUD
View
Price last confirmed 35 days ago
A
Retailer 5
-
$374 AUD
View
Retailer 6
-
$374 AUD
View
Price last confirmed 35 days ago
Retailer 7
-
$374 AUD
View
Price last confirmed 12 days ago
A
Retailer 8
-
$580 AUD
View
Retailer 9
-
$631 AUD
View
Price last confirmed 8 days ago
A
Retailer 10
-
$639 AUD
View
B+
Retailer 11
-
$644 AUD
View
A
Retailer 12
-
$684 AUD
View
B+
Retailer 13
-
$740 AUD
View
Retailer 14
-
$1,204 AUD
View
Price last confirmed 37 days ago
B+
Retailer 15
-
$1,204 AUD
View
B+
Retailer 16
-
$1,209 AUD
View
B
Retailer 17
-
$1,280 AUD
View
Most Expensive
MOH London
LG517203620 · Oct 29
$1,509 AUD
£832 GBP
View
Price last confirmed 8 days ago
17 more retailers have this diamond
Prices start from $303 AUDSave up to $977 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 Round
$303 AUD