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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG751503373

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG751503373

Diamond specifications and retailer prices

From $293 AUD
$206 USD
As of October 30, 2026
Save $1,236 AUD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,530 AUD at MOH London · As of October 29, 2026
View at MOH London

About this 0.51ct lab-grown cushion diamond

This 0.51ct lab-grown cushion sits in the half to three-quarter carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG751503373 or 751503373. Listed at 9 retailers as of October 29, 2026, with prices from $293 to $1,530, a $1,236 spread on the same certified stone. MOH London lists it at $1,530. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG751503373
Dimensions4.50 × 4.58 × 3.15 mm
L/W Ratio1.02
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
4.50 mm4.58 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG751503373
Side View
Table 60.0%Crown 36.3°Girdle: STK-VTKPavilion 40°Culet: NoneDepth 70.0%

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: $1,530 AUD|Low: $293 AUD|High: $63,668 AUD|Avg: $7,215 AUD|-10.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 7$293 AUD
Retailer 4$509 AUD
Retailer 3$564 AUD
Retailer 6$572 AUD
Retailer 2$594 AUD
Retailer 5$829 AUD
Retailer 8$1,131 AUD
Retailer 10$1,284 AUD
MOH London$1,530 AUD
Retailer 9$1,562 AUD

41 data points across 10 retailers

9 retailers$293 AUD to $1,530 AUD

A
Cheapest Retailer
-
$293 AUD
$206 USD
Final sale: no returns
B+
Retailer 2
-
$509 AUD
View
B+
Retailer 3
-
$564 AUD
€377 EUR
View
B+
Retailer 4
-
$572 AUD
$402 USD
View
B+
Retailer 5
-
$594 AUD
£329 GBP
View
B
Retailer 6
-
$829 AUD
View
B
Retailer 7
-
$1,131 AUD
$795 USD
View
B
Retailer 8
-
$1,284 AUD
£710 GBP
View
Most Expensive
B
MOH London
LG751503373 · Oct 29
$1,530 AUD
£846 GBP
View
8 more retailers have this diamond
Prices start from $293 AUDSave up to $1,236 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
0.51ct Cushion
$293 AUD