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Cushion|Lab Grown|IGI

0.51ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG785606058

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

Certificate IGI LG785606058

Diamond specifications and retailer prices

From $148 USD
As of October 29, 2026
Save $834 USD (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,392 USD 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 LG785606058 or 785606058. Listed at 13 retailers as of October 28, 2026, with a 564% 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
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG785606058
Dimensions4.56 × 4.56 × 3.13 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
4.56 mm4.56 mm0.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG785606058
Side View
Table 62.0%Crown 34.8°Girdle: MED-VTKPavilion 40°Culet: NoneDepth 68.6%

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 29
Current: $1,392 USD|Low: $109 USD|High: $1,392 USD|Avg: $429 USD|+71.8%
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 28, 2026
Retailer 2$148 USD
Retailer 11$166 USD
Retailer 10$230 USD
Retailer 7$279 USD
Retailer 9$294 USD
Retailer 8$300 USD
Retailer 3$313 USD
Retailer 6$367 USD
Retailer 13$392 USD
Retailer 12$428 USD
Retailer 4$517 USD
Retailer 5$589 USD
Retailer 14$982 USD
MOH London$1,392 USD

28 data points across 14 retailers

13 retailers$148 USD to $982 USD

A
Cheapest Retailer
-
$148 USD
Final sale: no returns
A
Retailer 2
-
$166 USD
View
A
Retailer 3
-
$230 USD
View
A
Retailer 4
-
$279 USD
£219 GBP
View
B+
Retailer 5
-
$294 USD
€280 EUR
View
B+
Retailer 6
-
$300 USD
ZAR 4,841 ZAR
View
B+
Retailer 7
-
$313 USD
View
B+
Retailer 8
-
$392 USD
View
B
Retailer 9
-
$428 USD
View
B
Retailer 10
-
$517 USD
View
B
Retailer 11
-
$589 USD
View
B
Retailer 12
-
$982 USD
View
Most Expensive
B
MOH London
LG785606058 · Oct 29
$1,392 USD
£1,096 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $148 USDSave up to $834 USD

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
$148 USD