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Cushion|Lab Grown|IGI

0.79ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG720593840

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG720593840

Diamond specifications and retailer prices

From £131 GBP
$176 USD
As of October 30, 2026
Save £884 GBP (87%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,015 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 0.79ct lab-grown cushion diamond

This 0.79ct lab-grown cushion sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG720593840 or 720593840. Listed at 14 retailers as of October 30, 2026, with prices from £131 to £1,015, a £884 spread on the same certified stone. Do Amore Diamonds lists it at £1,015. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.79
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle36.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720593840
Dimensions6.66 × 5.08 × 3.12 mm
L/W Ratio1.31
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.66 mm5.08 mm0.79 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720593840
Side View
Table 61.0%Crown 32.8°Girdle: MED-STKPavilion 36.2°Culet: NoneDepth 61.4%

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: £1,015 GBP|Low: £87 GBP|High: £1,015 GBP|Avg: £429 GBP|+8.8%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
Retailer 13
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Retailer 18
November 1, 2026
Retailer 17£131 GBP
Retailer 6£137 GBP
Retailer 15£140 GBP
Retailer 18£218 GBP
Retailer 14£224 GBP
Retailer 11£269 GBP
Retailer 2£290 GBP
Retailer 9£293 GBP
Retailer 4£306 GBP
Retailer 13£330 GBP
Retailer 10£403 GBP
Retailer 8£500 GBP
Retailer 12£518 GBP
Retailer 5£540 GBP
Retailer 16£649 GBP
Retailer 7£714 GBP
Retailer 3£793 GBP
Do Amore Diamonds£1,015 GBP

20 data points across 18 retailers

14 retailers£131 GBP to £1,015 GBP

A
Cheapest Retailer
-
£131 GBP
$176 USD
Final sale: no returns
A
Retailer 2
-
£140 GBP
$188 USD
View
A
Retailer 3
-
£218 GBP
$292 USD
View
A
Retailer 4
-
£224 GBP
$300 USD
View
A
Retailer 5
-
£269 GBP
€343 EUR
View
B+
Retailer 6
-
£290 GBP
View
B+
Retailer 7
-
£306 GBP
View
B+
Retailer 8
-
£330 GBP
$442 USD
View
B
Retailer 9
-
£518 GBP
$694 USD
View
B
Retailer 10
-
£540 GBP
$723 USD
View
B
Retailer 11
-
£649 GBP
$870 USD
View
B
Retailer 12
-
£649 GBP
$870 USD
View
B
Retailer 13
-
£793 GBP
$1,063 USD
View
Most Expensive
B
Do Amore Diamonds
20-D29235 · Oct 31
£1,015 GBP
$1,360 USD
View
13 more retailers have this diamond
Prices start from £131 GBPSave up to £884 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
0.79ct Cushion
£131 GBP