Radiant|Lab Grown|IGI

1.30ct E IF Radiant Lab Grown Diamond

EX • E/IF • IGI LG780612530

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG780612530

Diamond specifications and retailer prices

From £170 GBP
$228 USD
As of October 30, 2026
Save £1,464 GBP (90%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,634 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.3ct lab-grown radiant diamond

This 1.3ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG780612530 or 780612530. Listed at 20 retailers as of October 30, 2026, with prices from £170 to £1,634, a £1,464 spread on the same certified stone. Do Amore Diamonds lists it at £1,634. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780612530
Dimensions7.73 × 5.37 × 3.59 mm
L/W Ratio1.44
Culet sizePointed
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
7.73 mm5.37 mm1.30 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780612530
Side View
Table 61.0%Crown 41.5°Girdle: MediumPavilion 35.6°Culet: NoneDepth 66.9%

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: £1,634 GBP|Low: £135 GBP|High: £1,634 GBP|Avg: £613 GBP
Do Amore Diamonds
Retailer 2
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November 1, 2026
Retailer 17£170 GBP
Retailer 8£190 GBP
Retailer 4£198 GBP
Retailer 5£211 GBP
Retailer 18£211 GBP
Retailer 3£357 GBP
Retailer 7£393 GBP
Retailer 12£400 GBP
Retailer 2£444 GBP
Retailer 9£518 GBP
Retailer 13£567 GBP
Retailer 16£681 GBP
Retailer 19£749 GBP
Retailer 10£876 GBP
Retailer 6£902 GBP
Retailer 15£938 GBP
Retailer 11£957 GBP
Retailer 14£1,246 GBP
Do Amore Diamonds£1,634 GBP

44 data points across 19 retailers

20 retailers£170 GBP to £1,634 GBP

A
Cheapest Retailer
-
£170 GBP
$228 USD
A
Retailer 2
-
£190 GBP
$255 USD
View
Final sale: no returns
A
Retailer 3
-
£198 GBP
$265 USD
View
Retailer 4
-
£211 GBP
$283 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£211 GBP
$283 USD
View
A
Retailer 6
-
£315 GBP
HK$3,300 HKD
View
A
Retailer 7
-
£357 GBP
$479 USD
View
A
Retailer 8
-
£393 GBP
$527 USD
View
A
Retailer 9
-
£400 GBP
ZAR 8,663 ZAR
View
A
Retailer 10
-
£444 GBP
View
A
Retailer 11
-
£518 GBP
$694 USD
View
A
Retailer 12
-
£567 GBP
A$1,169 AUD
View
B+
Retailer 13
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£681 GBP
$912 USD
View
B+
Retailer 14
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£749 GBP
$1,003 USD
View
B+
Retailer 15
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£876 GBP
$1,174 USD
View
B+
Retailer 16
-
£902 GBP
SGD 1,634 SGD
View
B+
Retailer 17
-
£938 GBP
View
B
Retailer 18
-
£957 GBP
$1,282 USD
View
Retailer 19
-
£1,246 GBP
$1,670 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Do Amore Diamonds
27-652EF0865 · Oct 31
£1,634 GBP
$2,190 USD
View
19 more retailers have this diamond
Prices start from £170 GBPSave up to £1,464 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 Radiant
£170 GBP