Round|Lab Grown|IGI

1.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG807699764

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807699764

Diamond specifications and retailer prices

From £286 GBP
$384 USD
As of November 1, 2026
Save £1,040 GBP (78%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £1,326 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG807699764 or 807699764. Listed at 19 retailers as of November 1, 2026, with prices from £286 to £1,326, a £1,040 spread on the same certified stone. Brilliant Earth lists it at £1,326. 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 angle34.3°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807699764
Dimensions6.98 × 7.00 × 4.33 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.98 mm7.00 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807699764
Side View
Table 57.0%Crown 34.3°Girdle: MediumPavilion 41°Culet: NoneDepth 61.9%

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: Nov 1
Current: £1,326 GBP|Low: £260 GBP|High: £1,595 GBP|Avg: £684 GBP|-16.8%
Brilliant Earth
Retailer 2
Retailer 3
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Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 19
November 3, 2026
Retailer 9£260 GBP
Retailer 19£286 GBP
Retailer 10£304 GBP
Retailer 7£323 GBP
Retailer 11£331 GBP
Retailer 6£353 GBP
Retailer 3£425 GBP
Retailer 5£432 GBP
Retailer 18£501 GBP
Retailer 13£505 GBP
Retailer 14£547 GBP
Retailer 2£567 GBP
Retailer 17£770 GBP
Retailer 16£929 GBP
Retailer 4£1,010 GBP
Retailer 8£1,037 GBP
Retailer 15£1,263 GBP
Retailer 12£1,270 GBP
Brilliant Earth£1,326 GBP

21 data points across 19 retailers

19 retailers£286 GBP to £1,326 GBP

Retailer 1
-
£260 GBP
$349 USD
Price last confirmed 13 days ago
A
Retailer 2
-
£286 GBP
$384 USD
View
Final sale: no returns
Retailer 3
-
£304 GBP
$408 USD
View
Price last confirmed 14 days ago
Retailer 4
-
£323 GBP
$433 USD
View
Price last confirmed 12 days ago
Retailer 5
-
£331 GBP
$444 USD
View
Price last confirmed 17 days ago
A
Retailer 6
-
£353 GBP
HK$3,700 HKD
View
A
Retailer 7
-
£425 GBP
$570 USD
View
A
Retailer 8
-
£432 GBP
$580 USD
View
A
Retailer 9
-
£501 GBP
$672 USD
View
A
Retailer 10
-
£505 GBP
€645 EUR
View
A
Retailer 11
-
£547 GBP
ZAR 11,848 ZAR
View
A
Retailer 12
-
£567 GBP
View
B+
Retailer 13
-
£770 GBP
A$1,589 AUD
View
B+
Retailer 14
-
£929 GBP
$1,247 USD
View
B+
Retailer 15
-
£1,010 GBP
SGD 1,831 SGD
View
Retailer 16
-
£1,037 GBP
$1,391 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
£1,263 GBP
$1,695 USD
View
B+
Retailer 18
-
£1,270 GBP
View
Most Expensive
B
Brilliant Earth
20142081A · Nov 2
£1,326 GBP
$1,780 USD
View
18 more retailers have this diamond
Prices start from £286 GBPSave up to £1,040 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
£286 GBP