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Round|Lab Grown|IGI

1.55ct F IF Round Lab Grown Diamond

EX • F/IF • IGI LG808631478

Shape and cutting style on the report: Round brilliant

Certificate IGI LG808631478

Diamond specifications and retailer prices

From £258 GBP
$346 USD
As of November 1, 2026
Save £1,836 GBP (88%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: £2,094 GBP at Yadav Diamonds · As of November 2, 2026
View at Yadav Diamonds

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG808631478 or 808631478. Listed at 23 retailers as of November 1, 2026, with prices from £258 to £2,094, a £1,836 spread on the same certified stone. Yadav Diamonds lists it at £2,094. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG808631478
Dimensions7.33 × 7.43 × 4.62 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.33 mm7.43 mm1.55 ctF / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG808631478
Side View
Table 55.0%Crown 35.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: £567 GBP|Low: £253 GBP|High: £1,468 GBP|Avg: £740 GBP|-0.3%
Retailer 1
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Retailer 21
November 3, 2026
Retailer 14£258 GBP
Retailer 7£299 GBP
Retailer 2£319 GBP
Retailer 10£319 GBP
Retailer 5£353 GBP
Retailer 21£426 GBP
Retailer 13£432 GBP
Retailer 12£502 GBP
Retailer 3£510 GBP
Retailer 15£551 GBP
Retailer 1£567 GBP
Retailer 11£677 GBP
Retailer 19£741 GBP
Retailer 18£742 GBP
Retailer 4£1,026 GBP
Retailer 6£1,031 GBP
Retailer 9£1,058 GBP
Retailer 17£1,206 GBP
Retailer 16£1,247 GBP
Retailer 8£1,378 GBP
Retailer 20£1,464 GBP

34 data points across 21 retailers

23 retailers£258 GBP to £2,094 GBP

A
Cheapest Retailer
-
£258 GBP
$346 USD
A
Retailer 2
-
£299 GBP
$401 USD
View
Retailer 3
-
£319 GBP
$428 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£319 GBP
$428 USD
View
A
Retailer 5
-
£353 GBP
HK$3,700 HKD
View
A
Retailer 6
-
£426 GBP
$572 USD
View
A
Retailer 7
-
£432 GBP
$580 USD
View
A
Retailer 8
-
£502 GBP
€641 EUR
View
A
Retailer 9
-
£510 GBP
$685 USD
View
A
Retailer 10
-
£551 GBP
ZAR 11,937 ZAR
View
A
Retailer 11
-
£567 GBP
View
B+
Retailer 12
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£677 GBP
$909 USD
View
B+
Retailer 13
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£741 GBP
A$1,530 AUD
View
B+
Retailer 14
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£742 GBP
$996 USD
View
B+
Retailer 15
-
£1,026 GBP
$1,377 USD
View
B+
Retailer 16
-
£1,031 GBP
SGD 1,870 SGD
View
B
Retailer 17
-
£1,058 GBP
$1,420 USD
View
B
Retailer 18
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£1,150 GBP
$1,543 USD
View
B+
Retailer 19
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£1,206 GBP
$1,619 USD
View
B
Retailer 20
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£1,247 GBP
View
B
Retailer 21
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£1,378 GBP
$1,849 USD
View
B
Retailer 22
-
£1,464 GBP
$1,965 USD
View
Most Expensive
B
Yadav Diamonds
13009304 · Nov 2
£2,094 GBP
$2,810 USD
View
22 more retailers have this diamond
Prices start from £258 GBPSave up to £1,836 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
1.55ct Round
£258 GBP