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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG707506817

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

Certificate IGI LG707506817

Diamond specifications and retailer prices

From $215 AUD
$151 USD
As of October 30, 2026
Save $1,193 AUD (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,012 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 LG707506817 or 707506817. Listed at 11 retailers as of October 30, 2026, with a 555% 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
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
Crown angle33.6°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG707506817
Dimensions4.74 × 4.67 × 2.87 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
4.74 mm4.67 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateIGI LG707506817
Side View
Table 65.0%Crown 33.6°Girdle: MED-THKPavilion 36.2°Culet: NoneDepth 61.5%

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: $2,012 AUD|Low: $155 AUD|High: $2,027 AUD|Avg: $664 AUD|+76.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 3$215 AUD
Retailer 9$239 AUD
Retailer 8$327 AUD
Retailer 2$404 AUD
Retailer 5$432 AUD
Retailer 6$433 AUD
Retailer 10$451 AUD
Retailer 4$462 AUD
Retailer 11$584 AUD
Retailer 7$1,258 AUD
Retailer 12$1,408 AUD
MOH London$2,012 AUD

37 data points across 12 retailers

11 retailers$215 AUD to $1,408 AUD

A
Cheapest Retailer
-
$215 AUD
$151 USD
Final sale: no returns
A
Retailer 2
-
$239 AUD
$168 USD
View
A
Retailer 3
-
$327 AUD
$230 USD
View
B+
Retailer 4
-
$404 AUD
£223 GBP
View
B+
Retailer 5
-
$432 AUD
€289 EUR
View
B+
Retailer 6
-
$433 AUD
ZAR 4,917 ZAR
View
B+
Retailer 7
-
$451 AUD
$317 USD
View
B+
Retailer 8
-
$584 AUD
$410 USD
View
B
Retailer 9
-
$1,258 AUD
£696 GBP
View
B
Retailer 10
-
$1,408 AUD
$989 USD
View
Most Expensive
MOH London
LG707506817 · Oct 29
$2,012 AUD
£1,113 GBP
View
Price under review
10 more retailers have this diamond
Prices start from $215 AUDSave up to $1,193 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
$215 AUD