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Round|Lab Grown|IGI

1.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG814638367

Shape and cutting style on the report: Round brilliant

Certificate IGI LG814638367

Diamond specifications and retailer prices

From £194 GBP
$261 USD
As of November 1, 2026
Save £839 GBP (81%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,034 GBP at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.3ct lab-grown round diamond

This 1.3ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG814638367 or 814638367. Listed at 17 retailers as of November 1, 2026, with prices from £194 to £1,034, a £839 spread on the same certified stone. Reve Diamonds lists it at £1,034. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG814638367
Dimensions6.99 × 6.95 × 4.33 mm
L/W Ratio1.01
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
6.99 mm6.95 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG814638367
Side View
Table 57.0%Crown 35.7°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.1%

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: Nov 1
Current: £455 GBP|Low: £171 GBP|High: £1,034 GBP|Avg: £471 GBP|+14.1%
Retailer 1
Retailer 2
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 17
Reve Diamonds
November 3, 2026
Retailer 9£194 GBP
Retailer 6£217 GBP
Retailer 7£225 GBP
Retailer 4£241 GBP
Retailer 16£241 GBP
Retailer 14£332 GBP
Retailer 12£361 GBP
Retailer 15£384 GBP
Retailer 10£415 GBP
Retailer 3£430 GBP
Retailer 1£455 GBP
Retailer 13£586 GBP
Retailer 5£601 GBP
Retailer 17£740 GBP
Retailer 2£774 GBP
Retailer 8£812 GBP
Retailer 11£965 GBP
Reve Diamonds£1,034 GBP

40 data points across 18 retailers

17 retailers£194 GBP to £1,034 GBP

A
Cheapest Retailer
-
£194 GBP
$261 USD
A
Retailer 2
-
£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
-
£225 GBP
$302 USD
View
Retailer 4
-
£241 GBP
$323 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£241 GBP
$323 USD
View
A
Retailer 6
-
£332 GBP
$445 USD
View
A
Retailer 7
-
£361 GBP
$485 USD
View
A
Retailer 8
-
£415 GBP
ZAR 9,000 ZAR
View
A
Retailer 9
-
£430 GBP
$577 USD
View
A
Retailer 10
-
£455 GBP
View
A
Retailer 11
-
£586 GBP
A$1,210 AUD
View
B+
Retailer 12
-
£601 GBP
$807 USD
View
B+
Retailer 13
-
£740 GBP
$993 USD
View
B+
Retailer 14
-
£774 GBP
$1,039 USD
View
B+
Retailer 15
-
£812 GBP
$1,090 USD
View
B+
Retailer 16
-
£965 GBP
View
Most Expensive
B
Reve Diamonds
D312A9770 · Nov 1
£1,034 GBP
$1,387 USD
View
16 more retailers have this diamond
Prices start from £194 GBPSave up to £839 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 Round
£194 GBP