CaratHunter
Plans
Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

ID • D/FL • IGI LG839684881

Shape and cutting style on the report: Square cushion antique cut

Certificate IGI LG839684881

Diamond specifications and retailer prices

From £802 GBP
$1,075 USD
As of October 29, 2026
Save £2,449 GBP (75%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £3,251 GBP at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.83ct lab-grown cushion diamond

This 1.83ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG839684881 or 839684881. Listed at 16 retailers as of October 29, 2026, with prices from £802 to £3,251, a £2,449 spread on the same certified stone. Taylor and Hart lists it at £3,251. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.83
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839684881
Dimensions7.44 × 7.22 × 4.58 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizeLarge
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
7.44 mm7.22 mm1.83 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839684881
Side View
Table 51.0%Crown 36°Girdle: MED-STKPavilion 40.6°Culet: LargeDepth 63.4%

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 29
Current: £1,348 GBP|Low: £770 GBP|High: £3,251 GBP|Avg: £1,742 GBP|-3.2%
Retailer 1
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
Taylor and Hart
October 31, 2026
Retailer 10£802 GBP
Retailer 9£872 GBP
Retailer 11£931 GBP
Retailer 12£931 GBP
Retailer 14£1,037 GBP
Retailer 6£1,057 GBP
Retailer 5£1,261 GBP
Retailer 1£1,348 GBP
Retailer 7£1,591 GBP
Retailer 13£1,744 GBP
Retailer 3£1,887 GBP
Retailer 2£2,502 GBP
Retailer 15£2,571 GBP
Retailer 4£2,974 GBP
Retailer 8£3,172 GBP
Taylor and Hart£3,251 GBP

27 data points across 16 retailers

16 retailers£802 GBP to £3,251 GBP

A
Cheapest Retailer
-
£802 GBP
$1,075 USD
A
Retailer 2
-
£872 GBP
$1,169 USD
View
A
Retailer 3
-
£931 GBP
$1,247 USD
View
Retailer 4
-
£931 GBP
$1,247 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£1,037 GBP
$1,390 USD
View
A
Retailer 6
-
£1,057 GBP
$1,416 USD
View
Final sale: no returns
A
Retailer 7
-
£1,261 GBP
$1,690 USD
View
B+
Retailer 8
-
£1,348 GBP
View
B+
Retailer 9
-
£1,591 GBP
$2,132 USD
View
B+
Retailer 10
-
£1,744 GBP
$2,337 USD
View
B+
Retailer 11
-
£1,887 GBP
$2,529 USD
View
B
Retailer 12
-
£2,502 GBP
$3,353 USD
View
B
Retailer 13
-
£2,571 GBP
View
B
Retailer 14
-
£2,974 GBP
$3,985 USD
View
B
Retailer 15
-
£3,172 GBP
View
Most Expensive
B
Taylor and Hart
Y1B2QXB · Oct 30
£3,251 GBP
$4,356 USD
View
15 more retailers have this diamond
Prices start from £802 GBPSave up to £2,449 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
1.83ct Cushion
£802 GBP