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Cushion|Lab Grown|IGI

1.30ct D FL Cushion Lab Grown Diamond

EX • D/FL • IGI LG801699534

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG801699534

Diamond specifications and retailer prices

From £421 GBP
$565 USD
As of November 1, 2026
Save £2,910 GBP (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £3,331 GBP at Do Amore Diamonds · As of November 2, 2026
View at Do Amore Diamonds

About this 1.3ct lab-grown cushion diamond

This 1.3ct lab-grown cushion sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801699534 or 801699534. Listed at 22 retailers as of November 1, 2026, with prices from £421 to £3,331, a £2,910 spread on the same certified stone. Do Amore Diamonds lists it at £3,331. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle35.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801699534
Dimensions7.79 × 5.81 × 3.74 mm
L/W Ratio1.34
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
7.79 mm5.81 mm1.30 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801699534
Side View
Table 60.0%Crown 34.4°Girdle: MED-STKPavilion 35.5°Culet: NoneDepth 64.4%

Caratlytics Score

How it works →
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: Nov 1
Current: £3,331 GBP|Low: £420 GBP|High: £3,331 GBP|Avg: £1,202 GBP|+15.2%
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 19
November 2, 2026
Retailer 16£421 GBP
Retailer 10£465 GBP
Retailer 5£508 GBP
Retailer 14£537 GBP
Retailer 3£549 GBP
Retailer 19£689 GBP
Retailer 13£746 GBP
Retailer 12£801 GBP
Retailer 17£802 GBP
Retailer 2£886 GBP
Retailer 6£1,147 GBP
Retailer 9£1,329 GBP
Retailer 4£1,444 GBP
Retailer 18£1,499 GBP
Retailer 8£1,601 GBP
Retailer 11£1,753 GBP
Retailer 7£2,004 GBP
Retailer 15£2,242 GBP
Do Amore Diamonds£3,331 GBP

38 data points across 19 retailers

22 retailers£421 GBP to £3,331 GBP

A
Cheapest Retailer
-
£421 GBP
$565 USD
Final sale: no returns
Retailer 2
-
£465 GBP
$624 USD
View
Price last confirmed 17 days ago
A
Retailer 3
-
£508 GBP
$682 USD
View
A
Retailer 4
-
£537 GBP
$720 USD
View
A
Retailer 5
-
£549 GBP
$737 USD
View
A
Retailer 6
-
£689 GBP
$925 USD
View
A
Retailer 7
-
£746 GBP
€954 EUR
View
A
Retailer 8
-
£801 GBP
View
B+
Retailer 9
-
£802 GBP
$1,076 USD
View
B+
Retailer 10
-
£886 GBP
ZAR 19,204 ZAR
View
B+
Retailer 11
-
£1,147 GBP
$1,539 USD
View
B+
Retailer 12
-
£1,329 GBP
$1,784 USD
View
B+
Retailer 13
-
£1,444 GBP
CA$2,692 CAD
View
B
Retailer 14
-
£1,499 GBP
View
B
Retailer 15
-
£1,601 GBP
$2,149 USD
View
B
Retailer 16
-
£1,753 GBP
$2,352 USD
View
B
Retailer 17
-
£1,753 GBP
$2,352 USD
View
B
Retailer 18
-
£1,875 GBP
$2,516 USD
View
B
Retailer 19
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£2,004 GBP
$2,689 USD
View
B
Retailer 20
-
£2,242 GBP
View
B
Retailer 21
-
£2,891 GBP
$3,880 USD
View
Most Expensive
B
Do Amore Diamonds
27-941FDC784 · Nov 2
£3,331 GBP
$4,470 USD
View
21 more retailers have this diamond
Prices start from £421 GBPSave up to £2,910 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
1.30ct Cushion
£421 GBP