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Cushion|Lab Grown|IGI

1.83ct D FL Cushion Lab Grown Diamond

VG • D/FL • IGI LG800684852

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG800684852

Diamond specifications and retailer prices

From £655 GBP
$877 USD
As of October 30, 2026
Save £3,323 GBP (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £3,978 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 very-good cut grade and certified by IGI LG800684852 or 800684852. Listed at 10 retailers as of October 30, 2026, with prices from £655 to £3,978, a £3,323 spread on the same certified stone. Do Amore Diamonds lists it at £3,978. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.83
Carat
D
Colour
FL
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800684852
Dimensions7.98 × 6.52 × 4.55 mm
L/W Ratio1.22
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
7.98 mm6.52 mm1.83 ctD / FL
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800684852
Side View
Table 62.0%Crown 38.4°Girdle: STK-THKPavilion 37.5°Culet: NoneDepth 69.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £3,978 GBP|Low: £498 GBP|High: £5,269 GBP|Avg: £2,059 GBP|-24.5%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 6£655 GBP
Retailer 9£668 GBP
Retailer 11£697 GBP
Retailer 5£852 GBP
Retailer 10£908 GBP
Retailer 2£962 GBP
Retailer 7£2,421 GBP
Retailer 8£2,627 GBP
Retailer 4£3,038 GBP
Retailer 3£3,071 GBP
Do Amore Diamonds£3,978 GBP

28 data points across 11 retailers

10 retailers£655 GBP to £3,978 GBP

A
Cheapest Retailer
-
£655 GBP
$877 USD
A
Retailer 2
-
£668 GBP
$895 USD
View
A
Retailer 3
-
£697 GBP
$934 USD
View
Final sale: no returns
A
Retailer 4
-
£852 GBP
$1,142 USD
View
A
Retailer 5
-
£908 GBP
$1,216 USD
View
A
Retailer 6
-
£962 GBP
€1,227 EUR
View
B
Retailer 7
-
£2,421 GBP
View
Retailer 8
-
£2,627 GBP
$3,520 USD
View
Price last confirmed 10 days ago
B
Retailer 9
-
£3,038 GBP
$4,070 USD
View
Most Expensive
B
Do Amore Diamonds
27-2A460B027 · Oct 31
£3,978 GBP
$5,330 USD
View
9 more retailers have this diamond
Prices start from £655 GBPSave up to £3,323 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
£655 GBP