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Cushion|Lab Grown|IGI

1.79ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG834612807

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG834612807

Diamond specifications and retailer prices

From £511 GBP
$685 USD
As of October 30, 2026
Save £3,549 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £4,060 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.79ct lab-grown cushion diamond

This 1.79ct 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 LG834612807 or 834612807. Listed at 14 retailers as of October 30, 2026, with prices from £511 to £4,060, a £3,549 spread on the same certified stone. Do Amore Diamonds lists it at £4,060. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.79
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834612807
Dimensions8.26 × 6.52 × 4.39 mm
L/W Ratio1.27
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
8.26 mm6.52 mm1.79 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834612807
Side View
Table 59.0%Crown 31.4°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 67.3%

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: £4,060 GBP|Low: £511 GBP|High: £4,060 GBP|Avg: £1,574 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
Retailer 13
Retailer 14
November 1, 2026
Retailer 12£511 GBP
Retailer 8£616 GBP
Retailer 2£661 GBP
Retailer 3£853 GBP
Retailer 6£869 GBP
Retailer 7£936 GBP
Retailer 10£1,075 GBP
Retailer 9£1,336 GBP
Retailer 13£1,808 GBP
Retailer 4£2,101 GBP
Retailer 14£2,122 GBP
Retailer 5£2,246 GBP
Retailer 11£2,467 GBP
Do Amore Diamonds£4,060 GBP

12 data points across 14 retailers

14 retailers£511 GBP to £4,060 GBP

A
Cheapest Retailer
-
£511 GBP
$685 USD
Final sale: no returns
A
Retailer 2
-
£616 GBP
$825 USD
View
A
Retailer 3
-
£661 GBP
View
A
Retailer 4
-
£853 GBP
$1,143 USD
View
A
Retailer 5
-
£869 GBP
$1,164 USD
View
A
Retailer 6
-
£936 GBP
View
A
Retailer 7
-
£1,075 GBP
ZAR 23,272 ZAR
View
B+
Retailer 8
-
£1,336 GBP
$1,790 USD
View
B+
Retailer 9
-
£1,808 GBP
$2,422 USD
View
B+
Retailer 10
-
£2,101 GBP
$2,816 USD
View
B+
Retailer 11
-
£2,122 GBP
SGD 3,843 SGD
View
Retailer 12
-
£2,246 GBP
$3,010 USD
View
Price last confirmed 11 days ago
B
Retailer 13
-
£2,467 GBP
View
Most Expensive
B
Do Amore Diamonds
27-978F3BD97 · Oct 31
£4,060 GBP
$5,440 USD
View
13 more retailers have this diamond
Prices start from £511 GBPSave up to £3,549 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
1.79ct Cushion
£511 GBP