CaratHunter
Plans
Cushion|Lab Grown|IGI

1.65ct D VS1 Cushion Lab Grown Diamond

ID • D/VS1 • IGI LG826636644

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG826636644

Diamond specifications and retailer prices

From £214 GBP
As of October 30, 2026
Save £586 GBP (73%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £800 GBP at With Clarity · As of October 29, 2026
View at With Clarity

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 LG826636644 or 826636644. Listed at 7 retailers as of October 29, 2026, with prices from £214 to £800, a £586 spread on the same certified stone. With Clarity lists it at £800. 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 angle34.6°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG826636644
Dimensions8.44 × 6.11 × 4.08 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
8.44 mm6.11 mm1.65 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG826636644
Side View
Table 60.0%Crown 34.6°Girdle: THN-MEDPavilion 38.1°Culet: NoneDepth 66.8%

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: £214 GBP|Low: £214 GBP|High: £850 GBP|Avg: £615 GBP|-4.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 30, 2026
Retailer 1£214 GBP
Retailer 2£326 GBP
Retailer 4£448 GBP
Retailer 5£717 GBP
Retailer 3£773 GBP
Retailer 6£799 GBP
With Clarity£800 GBP

32 data points across 7 retailers

7 retailers£214 GBP to £800 GBP

A
Cheapest Retailer
-
£214 GBP
A
Retailer 2
-
£326 GBP
€416 EUR
View
A
Retailer 3
-
£448 GBP
A$924 AUD
View
B+
Retailer 4
-
£717 GBP
$961 USD
View
B+
Retailer 5
-
£773 GBP
View
Retailer 6
-
£799 GBP
SGD 1,446 SGD
View
Price last confirmed 17 days ago
Most Expensive
B
With Clarity
826636644 · Oct 29
£800 GBP
$1,072 USD
View
6 more retailers have this diamond
Prices start from £214 GBPSave up to £586 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
1.65ct Cushion
£214 GBP