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Cushion|Lab Grown|IGI

1.84ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG844621805

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

Certificate IGI LG844621805

Diamond specifications and retailer prices

From £1,045 GBP
$1,400 USD
As of October 28, 2026
Save £2,224 GBP (68%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £3,269 GBP at Taylor and Hart · As of October 26, 2026
View at Taylor and Hart

About this 1.84ct lab-grown cushion diamond

This 1.84ct 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 LG844621805 or 844621805. Listed at 9 retailers as of October 26, 2026, with prices from £1,045 to £3,269, a £2,224 spread on the same certified stone. Taylor and Hart lists it at £3,269. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844621805
Dimensions7.61 × 7.48 × 4.49 mm
L/W Ratio1.02
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
7.61 mm7.48 mm1.84 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844621805
Side View
Table 55.0%Crown 35.6°Girdle: MED-STKPavilion 40.2°Culet: LargeDepth 60.0%

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: Oct 28
Current: £1,347 GBP|Low: £1,045 GBP|High: £3,269 GBP|Avg: £2,019 GBP|-3.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Taylor and Hart
October 27, 2026
Retailer 2£1,045 GBP
Retailer 7£1,062 GBP
Retailer 6£1,274 GBP
Retailer 1£1,347 GBP
Retailer 9£1,599 GBP
Retailer 4£1,897 GBP
Retailer 8£2,516 GBP
Retailer 5£2,988 GBP
Retailer 3£3,177 GBP
Taylor and Hart£3,269 GBP

14 data points across 10 retailers

9 retailers£1,045 GBP to £3,269 GBP

A
Cheapest Retailer
-
£1,045 GBP
$1,400 USD
B+
Retailer 2
-
£1,274 GBP
$1,707 USD
View
A
Retailer 3
-
£1,347 GBP
View
B+
Retailer 4
-
£1,599 GBP
$2,142 USD
View
B+
Retailer 5
-
£1,897 GBP
$2,542 USD
View
B
Retailer 6
-
£2,516 GBP
$3,371 USD
View
B
Retailer 7
-
£2,988 GBP
$4,004 USD
View
B
Retailer 8
-
£3,177 GBP
View
Most Expensive
B
Taylor and Hart
MZMF0LK · Oct 26
£3,269 GBP
$4,380 USD
View
8 more retailers have this diamond
Prices start from £1,045 GBPSave up to £2,224 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
1.84ct Cushion
£1,045 GBP