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Round|Lab Grown|IGI

1.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG809666946

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809666946

Diamond specifications and retailer prices

From £194 GBP
$261 USD
As of November 1, 2026
Save £1,043 GBP (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,237 GBP at Rare Carat · As of November 1, 2026
View at Rare Carat

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 LG809666946 or 809666946. Listed at 19 retailers as of November 1, 2026, with prices from £194 to £1,237, a £1,043 spread on the same certified stone. Rare Carat lists it at £1,237. 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 angle33.1°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809666946
Dimensions7.12 × 7.08 × 4.25 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
7.12 mm7.08 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809666946
Side View
Table 58.0%Crown 33.1°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 60.0%

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: £179 GBP|High: £1,034 GBP|Avg: £469 GBP|+13.2%
Retailer 1
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Retailer 11
Retailer 12
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Retailer 18
November 3, 2026
Retailer 10£194 GBP
Retailer 7£217 GBP
Retailer 8£225 GBP
Retailer 5£241 GBP
Retailer 17£241 GBP
Retailer 16£332 GBP
Retailer 14£361 GBP
Retailer 11£382 GBP
Retailer 12£415 GBP
Retailer 3£430 GBP
Retailer 1£455 GBP
Retailer 15£586 GBP
Retailer 6£601 GBP
Retailer 18£740 GBP
Retailer 2£774 GBP
Retailer 9£812 GBP
Retailer 13£965 GBP
Retailer 4£1,034 GBP

33 data points across 18 retailers

19 retailers£194 GBP to £1,237 GBP

A
Cheapest Retailer
-
£194 GBP
$261 USD
A
Retailer 2
-
£217 GBP
$291 USD
View
Final sale: no returns
A
Retailer 3
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£225 GBP
$302 USD
View
A
Retailer 4
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£241 GBP
$323 USD
View
Retailer 5
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£241 GBP
$323 USD
View
Price last confirmed 8 days ago
A
Retailer 6
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£332 GBP
$445 USD
View
A
Retailer 7
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£361 GBP
$485 USD
View
A
Retailer 8
-
£382 GBP
View
A
Retailer 9
-
£415 GBP
ZAR 9,000 ZAR
View
A
Retailer 10
-
£430 GBP
$577 USD
View
A
Retailer 11
-
£455 GBP
View
A
Retailer 12
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£586 GBP
A$1,210 AUD
View
B+
Retailer 13
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£601 GBP
$807 USD
View
B+
Retailer 14
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£740 GBP
$993 USD
View
B+
Retailer 15
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£774 GBP
$1,039 USD
View
B+
Retailer 16
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£812 GBP
$1,090 USD
View
B+
Retailer 17
-
£965 GBP
View
B
Retailer 18
-
£1,034 GBP
$1,387 USD
View
Most Expensive
B+
Rare Carat
VK4473_l_809666946 · Nov 1
£1,237 GBP
$1,660 USD
View
18 more retailers have this diamond
Prices start from £194 GBPSave up to £1,043 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