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Cushion|Lab Grown|IGI

1.78ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG835655248

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG835655248

Diamond specifications and retailer prices

From €344 EUR
£303 GBP
As of October 29, 2026
Save €2,084 EUR (86%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €2,428 EUR at Frank Darling · As of October 27, 2026
View at Frank Darling

About this 1.78ct lab-grown cushion diamond

This 1.78ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG835655248 or 835655248. Listed at 10 retailers as of October 27, 2026, with prices from €344 to €2,428, a €2,084 spread on the same certified stone. Frank Darling lists it at €2,428. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.78
Carat
D
Color
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835655248
Dimensions8.74 × 6.20 × 4.11 mm
L/W Ratio1.41
Girdle conditionFaceted
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
8.74 mm6.20 mm1.78 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835655248
Side View
Table 58.0%Crown 33°Girdle: MED-THKPavilion 35.5°Culet: NoneDepth 66.3%

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 29
Current: €2,428 EUR|Low: €266 EUR|High: €2,428 EUR|Avg: €906 EUR
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 9€266 EUR
Retailer 3€344 EUR
Retailer 10€403 EUR
Retailer 6€434 EUR
Retailer 7€519 EUR
Retailer 4€752 EUR
Retailer 8€1,137 EUR
Retailer 2€1,303 EUR
Retailer 5€2,095 EUR
Frank Darling€2,428 EUR

4 data points across 10 retailers

10 retailers€344 EUR to €2,428 EUR

A
Cheapest Retailer
-
€344 EUR
£303 GBP
B+
Retailer 2
-
€403 EUR
$450 USD
View
A
Retailer 3
-
€434 EUR
$485 USD
View
A
Retailer 4
-
€519 EUR
View
A
Retailer 5
-
€752 EUR
A$1,292 AUD
View
B+
Retailer 6
-
€1,137 EUR
$1,270 USD
View
B
Retailer 7
-
€1,303 EUR
£1,146 GBP
View
B
Retailer 8
-
€2,095 EUR
$2,340 USD
View
B
Retailer 9
-
€2,148 EUR
$2,400 USD
View
Most Expensive
B
Frank Darling
PD-234701GR · Oct 27
€2,428 EUR
$2,712 USD
View
9 more retailers have this diamond
Prices start from €344 EURSave up to €2,084 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
1.78ct Cushion
€344 EUR