CaratHunter
Plans
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 £110 GBP
$148 USD
As of October 30, 2026
Save £623 GBP (85%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £1,039 GBP 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 30, 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
Colour
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 30
Current: £1,039 GBP|Low: £93 GBP|High: £1,039 GBP|Avg: £327 GBP|+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
November 1, 2026
Retailer 7£110 GBP
Retailer 10£124 GBP
Retailer 9£172 GBP
Retailer 2£209 GBP
Retailer 6£220 GBP
Retailer 8£224 GBP
Retailer 3£234 GBP
Retailer 12£293 GBP
Retailer 11£319 GBP
Retailer 4£386 GBP
Retailer 5£440 GBP
Retailer 13£733 GBP
MOH London£1,039 GBP

31 data points across 13 retailers

13 retailers£110 GBP to £733 GBP

A
Cheapest Retailer
-
£110 GBP
$148 USD
Final sale: no returns
A
Retailer 2
-
£124 GBP
$166 USD
View
A
Retailer 3
-
£172 GBP
$230 USD
View
B+
Retailer 4
-
£209 GBP
View
B+
Retailer 5
-
£220 GBP
€281 EUR
View
B+
Retailer 6
-
£224 GBP
ZAR 4,841 ZAR
View
B+
Retailer 7
-
£234 GBP
$313 USD
View
B+
Retailer 8
-
£293 GBP
$392 USD
View
B
Retailer 9
-
£319 GBP
$428 USD
View
B
Retailer 10
-
£386 GBP
$517 USD
View
B
Retailer 11
-
£440 GBP
$589 USD
View
B
Retailer 12
-
£733 GBP
$982 USD
View
Most Expensive
MOH London
LG785606058 · Oct 29
£1,039 GBP
View
Price under review
12 more retailers have this diamond
Prices start from £110 GBPSave up to £623 GBP

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
£110 GBP