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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 €135 EUR
$151 USD
As of October 30, 2026
Save €750 EUR (85%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €1,258 EUR at MOH London · As of November 1, 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: €1,258 EUR|Low: €98 EUR|High: €1,274 EUR|Avg: €419 EUR|+75.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 3€135 EUR
Retailer 9€150 EUR
Retailer 8€206 EUR
Retailer 5€256 EUR
Retailer 6€270 EUR
Retailer 2€274 EUR
Retailer 10€284 EUR
Retailer 4€290 EUR
Retailer 11€367 EUR
Retailer 7€791 EUR
Retailer 12€885 EUR
MOH London€1,258 EUR

37 data points across 12 retailers

11 retailers€135 EUR to €885 EUR

A
Cheapest Retailer
-
€135 EUR
$151 USD
Final sale: no returns
Retailer 2
-
€150 EUR
$168 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
€206 EUR
$230 USD
View
B+
Retailer 4
-
€256 EUR
£225 GBP
View
B+
Retailer 5
-
€270 EUR
View
B+
Retailer 6
-
€274 EUR
ZAR 4,943 ZAR
View
B+
Retailer 7
-
€284 EUR
$317 USD
View
B+
Retailer 8
-
€367 EUR
$410 USD
View
B
Retailer 9
-
€791 EUR
£696 GBP
View
B
Retailer 10
-
€885 EUR
$989 USD
View
Most Expensive
MOH London
LG707506817 · Nov 1
€1,258 EUR
£1,107 GBP
View
Price under review
10 more retailers have this diamond
Prices start from €135 EURSave up to €750 EUR

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
€135 EUR