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Cushion|Lab Grown|IGI

1.78ct D VVS1 Cushion Lab Grown Diamond

ID • D/VVS1 • IGI LG801692081

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801692081

Diamond specifications and retailer prices

From €390 EUR
£343 GBP
As of October 30, 2026
Save €2,039 EUR (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €2,429 EUR at Frank Darling · As of October 31, 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 LG801692081 or 801692081. Listed at 12 retailers as of October 30, 2026, with prices from €390 to €2,429, a €2,039 spread on the same certified stone. Frank Darling lists it at €2,429. 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 angle27.6°
Pavilion angle32.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801692081
Dimensions9.00 × 6.17 × 3.82 mm
L/W Ratio1.46
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
9.00 mm6.17 mm1.78 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801692081
Side View
Table 59.0%Crown 27.6°Girdle: MED-STKPavilion 32.5°Culet: NoneDepth 61.9%

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: €2,429 EUR|Low: €390 EUR|High: €2,453 EUR|Avg: €1,161 EUR
Frank Darling
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
Retailer 15
October 31, 2026
Retailer 8€390 EUR
Retailer 3€445 EUR
Retailer 9€448 EUR
Retailer 6€533 EUR
Retailer 2€571 EUR
Retailer 14€646 EUR
Retailer 15€792 EUR
Retailer 7€804 EUR
Retailer 10€858 EUR
Retailer 13€1,434 EUR
Retailer 11€1,477 EUR
Retailer 4€1,627 EUR
Retailer 12€2,390 EUR
Frank Darling€2,429 EUR
Retailer 5€2,453 EUR

21 data points across 15 retailers

12 retailers€390 EUR to €2,429 EUR

A
Cheapest Retailer
-
€390 EUR
£343 GBP
B+
Retailer 2
-
€445 EUR
$497 USD
View
A
Retailer 3
-
€448 EUR
$500 USD
View
A
Retailer 4
-
€571 EUR
View
Retailer 5
-
€646 EUR
$722 USD
View
Price last confirmed 10 days ago
B+
Retailer 6
-
€792 EUR
$885 USD
View
B+
Retailer 7
-
€858 EUR
A$1,475 AUD
View
Retailer 8
-
€1,434 EUR
A$2,464 AUD
View
Price last confirmed 24 days ago
B+
Retailer 9
-
€1,477 EUR
£1,299 GBP
View
Retailer 10
-
€1,627 EUR
$1,818 USD
View
Price last confirmed 53 days ago
B
Retailer 11
-
€2,390 EUR
$2,670 USD
View
Most Expensive
B
Frank Darling
929481BD · Oct 31
€2,429 EUR
$2,714 USD
View
11 more retailers have this diamond
Prices start from €390 EURSave up to €2,039 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
€390 EUR