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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG844678170

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

Certificate IGI LG844678170

Diamond specifications and retailer prices

From $263 AUD
$185 USD
As of October 28, 2026
Save $1,413 AUD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,676 AUD at MOH London · As of October 26, 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 LG844678170 or 844678170. Listed at 13 retailers as of October 26, 2026, with prices from $263 to $1,676, a $1,413 spread on the same certified stone. MOH London lists it at $1,676. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle32.1°
Pavilion angle45.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844678170
Dimensions4.53 × 4.49 × 3.21 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.53 mm4.49 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG844678170
Side View
Table 63.0%Crown 32.1°Girdle: THK-VTKPavilion 45.7°Culet: NoneDepth 71.5%

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 28
Current: $1,676 AUD|Low: $165 AUD|High: $1,676 AUD|Avg: $582 AUD|+8.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 7$174 AUD
Retailer 11$263 AUD
Retailer 5$320 AUD
Retailer 14$347 AUD
Retailer 3$355 AUD
Retailer 2$356 AUD
Retailer 8$382 AUD
Retailer 12$464 AUD
Retailer 10$545 AUD
Retailer 4$700 AUD
Retailer 6$958 AUD
Retailer 13$1,020 AUD
Retailer 9$1,285 AUD
MOH London$1,676 AUD

16 data points across 14 retailers

13 retailers$263 AUD to $1,676 AUD

A
Cheapest Retailer
-
$263 AUD
$185 USD
A
Retailer 2
-
$320 AUD
$225 USD
View
A
Retailer 3
-
$347 AUD
ZAR 3,941 ZAR
View
B+
Retailer 4
-
$355 AUD
$249 USD
View
A
Retailer 5
-
$356 AUD
€238 EUR
View
B+
Retailer 6
-
$382 AUD
£211 GBP
View
B+
Retailer 7
-
$464 AUD
£257 GBP
View
B
Retailer 8
-
$545 AUD
SGD 517 SGD
View
B
Retailer 9
-
$700 AUD
$492 USD
View
B
Retailer 10
-
$958 AUD
£530 GBP
View
B
Retailer 11
-
$1,020 AUD
£564 GBP
View
B
Retailer 12
-
$1,285 AUD
$903 USD
View
Most Expensive
B
MOH London
LG844678170 · Oct 26
$1,676 AUD
£927 GBP
View
12 more retailers have this diamond
Prices start from $263 AUDSave up to $1,413 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
$263 AUD