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Cushion|Lab Grown|IGI

1.65ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG809691799

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG809691799

Diamond specifications and retailer prices

From €226 EUR
$253 USD
As of October 31, 2026
Save €795 EUR (78%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: €1,021 EUR at Brilliance · As of October 30, 2026
View at Brilliance

About this 1.65ct lab-grown cushion diamond

This 1.65ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809691799 or 809691799. Listed at 14 retailers as of October 30, 2026, with prices from €226 to €1,021, a €795 spread on the same certified stone. Brilliance lists it at €1,021. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.65
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809691799
Dimensions8.38 × 6.07 × 4.06 mm
L/W Ratio1.38
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.38 mm6.07 mm1.65 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809691799
Side View
Table 60.0%Crown 36.1°Girdle: THK-VTKPavilion 38.5°Culet: NoneDepth 66.9%

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 31
Current: €1,021 EUR|Low: €226 EUR|High: €1,056 EUR|Avg: €619 EUR|-3.3%
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 12€226 EUR
Retailer 9€252 EUR
Retailer 3€427 EUR
Retailer 7€432 EUR
Retailer 2€469 EUR
Retailer 11€540 EUR
Retailer 10€550 EUR
Retailer 8€586 EUR
Retailer 4€817 EUR
Retailer 13€854 EUR
Retailer 5€992 EUR
Retailer 6€1,012 EUR
Brilliance€1,021 EUR

42 data points across 13 retailers

14 retailers€226 EUR to €1,021 EUR

A
Cheapest Retailer
-
€226 EUR
$253 USD
Final sale: no returns
A
Retailer 2
-
€252 EUR
$281 USD
View
B+
Retailer 3
-
€427 EUR
$477 USD
View
A
Retailer 4
-
€432 EUR
ZAR 7,788 ZAR
View
A
Retailer 5
-
€469 EUR
£412 GBP
View
A
Retailer 6
-
€540 EUR
$603 USD
View
A
Retailer 7
-
€550 EUR
$614 USD
View
A
Retailer 8
-
€586 EUR
A$1,008 AUD
View
B+
Retailer 9
-
€817 EUR
SGD 1,234 SGD
View
B+
Retailer 10
-
€854 EUR
$955 USD
View
B
Retailer 11
-
€985 EUR
$1,100 USD
View
Retailer 12
-
€992 EUR
A$1,705 AUD
View
Price last confirmed 27 days ago
B+
Retailer 13
-
€1,012 EUR
£890 GBP
View
Most Expensive
B
Brilliance
D42940830 · Oct 30
€1,021 EUR
$1,141 USD
View
13 more retailers have this diamond
Prices start from €226 EURSave up to €795 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
1.65ct Cushion
€226 EUR