Cushion|Lab Grown|IGI

1.23ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG831696581

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

Certificate IGI LG831696581

Diamond specifications and retailer prices

From £143 GBP
$192 USD
As of November 1, 2026
Save £1,086 GBP (88%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,230 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.23ct lab-grown cushion diamond

This 1.23ct lab-grown cushion sits in the classic one-carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG831696581 or 831696581. Listed at 12 retailers as of November 1, 2026, with prices from £143 to £1,230, a £1,086 spread on the same certified stone. Do Amore Diamonds lists it at £1,230. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.23
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle35.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831696581
Dimensions6.08 × 6.07 × 4.01 mm
L/W Ratio1.00
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
6.08 mm6.07 mm1.23 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831696581
Side View
Table 62.0%Crown 34.2°Girdle: MED-THKPavilion 35.3°Culet: NoneDepth 66.0%

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 1
Current: £1,230 GBP|Low: £143 GBP|High: £1,230 GBP|Avg: £434 GBP
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 12£143 GBP
Retailer 7£189 GBP
Retailer 5£195 GBP
Retailer 3£218 GBP
Retailer 9£293 GBP
Retailer 10£344 GBP
Retailer 2£427 GBP
Retailer 6£496 GBP
Retailer 4£577 GBP
Retailer 11£604 GBP
Retailer 8£819 GBP
Do Amore Diamonds£1,230 GBP

5 data points across 12 retailers

12 retailers£143 GBP to £1,230 GBP

A
Cheapest Retailer
-
£143 GBP
$192 USD
Final sale: no returns
A
Retailer 2
-
£189 GBP
$253 USD
View
A
Retailer 3
-
£195 GBP
View
B+
Retailer 4
-
£218 GBP
$292 USD
View
A
Retailer 5
-
£293 GBP
€375 EUR
View
A
Retailer 6
-
£344 GBP
$462 USD
View
B+
Retailer 7
-
£427 GBP
A$882 AUD
View
B+
Retailer 8
-
£496 GBP
$665 USD
View
B+
Retailer 9
-
£577 GBP
$775 USD
View
B+
Retailer 10
-
£604 GBP
$810 USD
View
B
Retailer 11
-
£819 GBP
View
Most Expensive
B
Do Amore Diamonds
27-115F04411 · Nov 2
£1,230 GBP
$1,650 USD
View
11 more retailers have this diamond
Prices start from £143 GBPSave up to £1,086 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
1.23ct Cushion
£143 GBP