Round|Lab Grown|IGI

1.51ct G IF Round Lab Grown Diamond

EX • G/IF • IGI LG809627124

Shape and cutting style on the report: Round brilliant

Certificate IGI LG809627124

Diamond specifications and retailer prices

From £193 GBP
$258 USD
As of November 1, 2026
Save £2,249 GBP (92%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,442 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1.51ct lab-grown round diamond

This 1.51ct lab-grown round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG809627124 or 809627124. Listed at 25 retailers as of October 30, 2026, with prices from £193 to £2,442, a £2,249 spread on the same certified stone. Yadav Diamonds lists it at £2,442. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809627124
Dimensions7.34 × 7.32 × 4.54 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
7.34 mm7.32 mm1.51 ctG / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809627124
Side View
Table 61.0%Crown 34.6°Girdle: MED-STKPavilion 41.6°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: £252 GBP|Low: £193 GBP|High: £2,442 GBP|Avg: £621 GBP|-1.5%
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Retailer 22
Yadav Diamonds
November 2, 2026
Retailer 21£193 GBP
Retailer 8£223 GBP
Retailer 2£238 GBP
Retailer 13£238 GBP
Retailer 1£252 GBP
Retailer 17£336 GBP
Retailer 22£336 GBP
Retailer 19£402 GBP
Retailer 16£412 GBP
Retailer 4£434 GBP
Retailer 12£450 GBP
Retailer 20£555 GBP
Retailer 18£597 GBP
Retailer 5£629 GBP
Retailer 6£766 GBP
Retailer 11£805 GBP
Retailer 7£816 GBP
Retailer 9£938 GBP
Retailer 14£944 GBP
Retailer 3£956 GBP
Retailer 10£1,055 GBP
Retailer 15£1,392 GBP
Yadav Diamonds£2,442 GBP

26 data points across 23 retailers

25 retailers£193 GBP to £2,442 GBP

A
Cheapest Retailer
-
£193 GBP
$258 USD
A
Retailer 2
-
£223 GBP
$299 USD
View
A
Retailer 3
-
£238 GBP
$319 USD
View
Retailer 4
-
£238 GBP
$319 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£252 GBP
View
A
Retailer 6
-
£287 GBP
HK$3,000 HKD
View
B+
Retailer 7
-
£336 GBP
$450 USD
View
A
Retailer 8
-
£336 GBP
$450 USD
View
A
Retailer 9
-
£402 GBP
€513 EUR
View
A
Retailer 10
-
£412 GBP
ZAR 8,909 ZAR
View
A
Retailer 11
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£434 GBP
$582 USD
View
A
Retailer 12
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£450 GBP
View
A
Retailer 13
-
£555 GBP
A$1,145 AUD
View
B+
Retailer 14
-
£597 GBP
$800 USD
View
B+
Retailer 15
-
£629 GBP
$843 USD
View
B+
Retailer 16
-
£766 GBP
$1,027 USD
View
B+
Retailer 17
-
£805 GBP
$1,078 USD
View
B+
Retailer 18
-
£816 GBP
SGD 1,477 SGD
View
B+
Retailer 19
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£913 GBP
$1,223 USD
View
B+
Retailer 20
-
£938 GBP
$1,257 USD
View
Retailer 21
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£944 GBP
View
Price last confirmed 14 days ago
Retailer 22
-
£956 GBP
View
Price last confirmed 8 days ago
B
Retailer 23
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£1,055 GBP
$1,414 USD
View
Retailer 24
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£1,392 GBP
$1,865 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Yadav Diamonds
13343613 · Oct 30
£2,442 GBP
$3,272 USD
View
24 more retailers have this diamond
Prices start from £193 GBPSave up to £2,249 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
1.51ct Round
£193 GBP