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Cushion|Lab Grown|IGI

1.75ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG847633172

Certificate IGI LG847633172

Diamond specifications and retailer prices

From £1,097 GBP
$1,470 USD
As of October 30, 2026
Save £3,473 GBP (76%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £4,570 GBP at Riddles Jewelry · As of October 31, 2026
View at Riddles Jewelry

About this 1.75ct lab-grown cushion diamond

This 1.75ct 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 LG847633172 or 847633172. Listed at 12 retailers as of October 30, 2026, with prices from £1,097 to £4,570, a £3,473 spread on the same certified stone. Riddles Jewelry lists it at £4,570. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.75
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
CertificateIGI LG847633172
Dimensions8.56 × 6.45 × 4.18 mm
L/W Ratio1.33
Top View
8.56 mm6.45 mm1.75 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG847633172
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 64.8%

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 30
Current: £3,108 GBP|Low: £1,097 GBP|High: £4,570 GBP|Avg: £2,187 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Riddles Jewelry
October 31, 2026
Retailer 10£1,097 GBP
Retailer 11£1,190 GBP
Retailer 3£1,278 GBP
Retailer 4£1,354 GBP
Retailer 9£1,523 GBP
Retailer 7£2,178 GBP
Retailer 2£2,393 GBP
Retailer 5£2,695 GBP
Retailer 1£3,108 GBP
Retailer 6£3,727 GBP
Retailer 8£4,288 GBP
Riddles Jewelry£4,570 GBP

7 data points across 12 retailers

12 retailers£1,097 GBP to £4,570 GBP

A
Cheapest Retailer
-
£1,097 GBP
$1,470 USD
A
Retailer 2
-
£1,190 GBP
$1,595 USD
View
B+
Retailer 3
-
£1,278 GBP
$1,712 USD
View
B+
Retailer 4
-
£1,354 GBP
€1,728 EUR
View
B+
Retailer 5
-
£1,523 GBP
$2,040 USD
View
B+
Retailer 6
-
£2,178 GBP
$2,918 USD
View
B
Retailer 7
-
£2,393 GBP
$3,206 USD
View
B
Retailer 8
-
£2,695 GBP
CA$5,016 CAD
View
B
Retailer 9
-
£3,108 GBP
$4,165 USD
View
B
Retailer 10
-
£3,727 GBP
$4,994 USD
View
B
Retailer 11
-
£4,288 GBP
$5,746 USD
View
Most Expensive
B
Riddles Jewelry
1996899958 · Oct 31
£4,570 GBP
$6,123 USD
View
11 more retailers have this diamond
Prices start from £1,097 GBPSave up to £3,473 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
1.75ct Cushion
£1,097 GBP