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Cushion|Lab Grown|IGI

1.69ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG851649612

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG851649612

Diamond specifications and retailer prices

From £255 GBP
As of November 2, 2026
Save £856 GBP (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £1,110 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 1.69ct lab-grown cushion diamond

This 1.69ct lab-grown cushion sits in the one-and-a-half to two carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851649612 or 851649612. Listed at 11 retailers as of November 1, 2026, with prices from £255 to £1,110, a £856 spread on the same certified stone. Rare Carat lists it at £1,110. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.69
Carat
F
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851649612
Dimensions7.00 × 6.87 × 4.53 mm
L/W Ratio1.02
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
7.00 mm6.87 mm1.69 ctF / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851649612
Side View
Table 64.0%Crown 37°Girdle: MED-STKPavilion 39.7°Culet: NoneDepth 65.9%

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: Nov 2
Current: £255 GBP|Low: £255 GBP|High: £1,034 GBP|Avg: £604 GBP|-0.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 2, 2026
Retailer 1£255 GBP
Retailer 4£256 GBP
Retailer 7£361 GBP
Retailer 2£402 GBP
Retailer 3£461 GBP
Retailer 8£564 GBP
Retailer 10£813 GBP
Retailer 9£948 GBP
Retailer 5£965 GBP
Retailer 6£1,034 GBP

4 data points across 10 retailers

11 retailers£255 GBP to £1,110 GBP

A
Cheapest Retailer
-
£255 GBP
A
Retailer 2
-
£256 GBP
$344 USD
View
Final sale: no returns
A
Retailer 3
-
£361 GBP
$485 USD
View
A
Retailer 4
-
£402 GBP
$539 USD
View
A
Retailer 5
-
£461 GBP
View
A
Retailer 6
-
£564 GBP
$757 USD
View
B+
Retailer 7
-
£813 GBP
$1,091 USD
View
B
Retailer 8
-
£948 GBP
$1,272 USD
View
B
Retailer 9
-
£965 GBP
View
B
Retailer 10
-
£1,034 GBP
$1,387 USD
View
Most Expensive
B
Rare Carat
LRK49B-15_l_851649612 · Nov 1
£1,110 GBP
$1,490 USD
View
10 more retailers have this diamond
Prices start from £255 GBPSave up to £856 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
1.69ct Cushion
£255 GBP