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Round|Lab Grown|IGI

1.30ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG805683624

Shape and cutting style on the report: Round brilliant

Certificate IGI LG805683624

Diamond specifications and retailer prices

From £284 GBP
$381 USD
As of November 1, 2026
Save £1,590 GBP (85%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £1,874 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 LG805683624 or 805683624. Listed at 21 retailers as of October 27, 2026, with prices from £284 to £1,874, a £1,590 spread on the same certified stone. Queensmith lists it at £1,874. 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 angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG805683624
Dimensions7.01 × 6.97 × 4.32 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
7.01 mm6.97 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG805683624
Side View
Table 58.0%Crown 34.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.8%

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: £636 GBP|Low: £275 GBP|High: £1,403 GBP|Avg: £651 GBP|+5.1%
Retailer 1
Retailer 2
Retailer 3
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Retailer 10
Retailer 11
Retailer 12
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Retailer 18
November 3, 2026
Retailer 18£284 GBP
Retailer 6£317 GBP
Retailer 7£318 GBP
Retailer 2£352 GBP
Retailer 17£352 GBP
Retailer 3£528 GBP
Retailer 11£559 GBP
Retailer 10£559 GBP
Retailer 8£561 GBP
Retailer 15£563 GBP
Retailer 12£607 GBP
Retailer 5£633 GBP
Retailer 1£636 GBP
Retailer 14£859 GBP
Retailer 16£988 GBP
Retailer 4£1,133 GBP
Retailer 9£1,230 GBP
Retailer 13£1,376 GBP

35 data points across 18 retailers

21 retailers£284 GBP to £1,874 GBP

A
Cheapest Retailer
-
£284 GBP
$381 USD
A
Retailer 2
-
£317 GBP
$426 USD
View
Final sale: no returns
A
Retailer 3
-
£318 GBP
$427 USD
View
A
Retailer 4
-
£352 GBP
$473 USD
View
Retailer 5
-
£352 GBP
$473 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£528 GBP
$709 USD
View
A
Retailer 7
-
£559 GBP
View
A
Retailer 8
-
£561 GBP
$753 USD
View
B+
Retailer 9
-
£563 GBP
$755 USD
View
A
Retailer 10
-
£607 GBP
ZAR 13,170 ZAR
View
B+
Retailer 11
-
£633 GBP
$849 USD
View
A
Retailer 12
-
£636 GBP
View
Retailer 13
-
£779 GBP
$1,045 USD
View
Price last confirmed 39 days ago
B+
Retailer 14
-
£859 GBP
A$1,773 AUD
View
B+
Retailer 15
-
£988 GBP
$1,326 USD
View
B+
Retailer 16
-
£1,133 GBP
$1,520 USD
View
Retailer 17
-
£1,205 GBP
$1,617 USD
View
Price last confirmed 75 days ago
B
Retailer 18
-
£1,230 GBP
$1,651 USD
View
B+
Retailer 19
-
£1,376 GBP
View
Retailer 20
-
£1,714 GBP
$2,300 USD
View
Price last confirmed 38 days ago
Most Expensive
B
Queensmith
LG805683624 · Oct 27
£1,874 GBP
View
20 more retailers have this diamond
Prices start from £284 GBPSave up to £1,590 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
£284 GBP