Round|Lab Grown|IGI

1.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG822631891

Shape and cutting style on the report: Round brilliant

Certificate IGI LG822631891

Diamond specifications and retailer prices

From £174 GBP
$234 USD
As of November 1, 2026
Save £1,048 GBP (86%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,222 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 LG822631891 or 822631891. Listed at 16 retailers as of November 1, 2026, with prices from £174 to £1,222, a £1,048 spread on the same certified stone. Rare Carat lists it at £1,222. 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 angle35.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG822631891
Dimensions6.98 × 7.01 × 4.29 mm
L/W Ratio1.00
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
6.98 mm7.01 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG822631891
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 61.4%

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: £1,222 GBP|Low: £174 GBP|High: £1,222 GBP|Avg: £468 GBP
Rare Carat
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
November 2, 2026
Retailer 7£174 GBP
Retailer 3£195 GBP
Retailer 15£203 GBP
Retailer 12£216 GBP
Retailer 2£343 GBP
Retailer 8£356 GBP
Retailer 16£366 GBP
Retailer 10£373 GBP
Retailer 14£398 GBP
Retailer 9£404 GBP
Retailer 4£595 GBP
Retailer 13£697 GBP
Retailer 5£734 GBP
Retailer 6£750 GBP
Retailer 11£867 GBP
Rare Carat£1,222 GBP

5 data points across 16 retailers

16 retailers£174 GBP to £1,222 GBP

A
Cheapest Retailer
-
£174 GBP
$234 USD
A
Retailer 2
-
£195 GBP
$262 USD
View
Final sale: no returns
A
Retailer 3
-
£203 GBP
$272 USD
View
A
Retailer 4
-
£216 GBP
$290 USD
View
A
Retailer 5
-
£343 GBP
View
A
Retailer 6
-
£356 GBP
€455 EUR
View
A
Retailer 7
-
£366 GBP
$491 USD
View
A
Retailer 8
-
£373 GBP
ZAR 8,096 ZAR
View
A
Retailer 9
-
£398 GBP
$534 USD
View
A
Retailer 10
-
£404 GBP
View
A
Retailer 11
-
£595 GBP
$798 USD
View
B+
Retailer 12
-
£697 GBP
$936 USD
View
B+
Retailer 13
-
£734 GBP
$985 USD
View
B+
Retailer 14
-
£750 GBP
$1,007 USD
View
B+
Retailer 15
-
£867 GBP
View
Most Expensive
B
Rare Carat
UP-270157 · Nov 1
£1,222 GBP
$1,640 USD
View
15 more retailers have this diamond
Prices start from £174 GBPSave up to £1,048 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
£174 GBP