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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

EX • D/VS1 • IGI LG742532523

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG742532523

Diamond specifications and retailer prices

From $194 AUD
$136 USD
As of October 30, 2026
Save $1,151 AUD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,808 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 LG742532523 or 742532523. Listed at 18 retailers as of October 30, 2026, with a 595% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.3°
Pavilion angle32.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742532523
Dimensions5.40 × 4.08 × 2.57 mm
L/W Ratio1.32
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.40 mm4.08 mm0.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG742532523
Side View
Table 61.0%Crown 37.3°Girdle: STK-VTKPavilion 32.3°Culet: NoneDepth 63.0%

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: $1,808 AUD|Low: $194 AUD|High: $1,819 AUD|Avg: $521 AUD|+0.6%
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 4$194 AUD
Retailer 11$229 AUD
Retailer 10$292 AUD
Retailer 8$320 AUD
Retailer 7$389 AUD
Retailer 5$395 AUD
Retailer 12$441 AUD
Retailer 2$445 AUD
Retailer 6$520 AUD
Retailer 9$524 AUD
Retailer 3$540 AUD
MOH London$1,808 AUD

40 data points across 12 retailers

18 retailers$194 AUD to $1,345 AUD

A
Cheapest Retailer
-
$194 AUD
$136 USD
Final sale: no returns
A
Retailer 2
-
$255 AUD
HK$1,400 HKD
View
A
Retailer 3
-
$292 AUD
$205 USD
View
A
Retailer 4
-
$320 AUD
$225 USD
View
A
Retailer 5
-
$383 AUD
€256 EUR
View
A
Retailer 6
-
$389 AUD
ZAR 4,415 ZAR
View
A
Retailer 7
-
$395 AUD
€264 EUR
View
B+
Retailer 8
-
$441 AUD
$310 USD
View
B+
Retailer 9
-
$445 AUD
£246 GBP
View
B+
Retailer 10
-
$520 AUD
£288 GBP
View
B
Retailer 11
-
$524 AUD
$368 USD
View
B
Retailer 12
-
$540 AUD
$379 USD
View
B+
Retailer 13
-
$599 AUD
SGD 569 SGD
View
B
Retailer 14
-
$653 AUD
$459 USD
View
B
Retailer 15
-
$773 AUD
$543 USD
View
B
Retailer 16
-
$1,128 AUD
£624 GBP
View
B
Retailer 17
-
$1,345 AUD
$945 USD
View
Most Expensive
MOH London
LG742532523 · Oct 29
$1,808 AUD
£1,000 GBP
View
Price under review
17 more retailers have this diamond
Prices start from $194 AUDSave up to $1,151 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
$194 AUD