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Round|Lab Grown|IGI

1.51ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG811690070

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811690070

Diamond specifications and retailer prices

From £146 GBP
$195 USD
As of November 1, 2026
Save £1,432 GBP (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: £1,578 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 VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG811690070 or 811690070. Listed at 24 retailers as of October 30, 2026, with prices from £146 to £1,578, a £1,432 spread on the same certified stone. Yadav Diamonds lists it at £1,578. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811690070
Dimensions7.37 × 7.41 × 4.52 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
7.37 mm7.41 mm1.51 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811690070
Side View
Table 61.0%Crown 33.3°Girdle: MED-STKPavilion 41.7°Culet: NoneDepth 61.1%

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: £313 GBP|Low: £142 GBP|High: £955 GBP|Avg: £451 GBP|+2.0%
Retailer 1
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Retailer 20
November 2, 2026
Retailer 8£146 GBP
Retailer 2£169 GBP
Retailer 16£181 GBP
Retailer 13£183 GBP
Retailer 4£254 GBP
Retailer 15£311 GBP
Retailer 1£313 GBP
Retailer 14£328 GBP
Retailer 20£372 GBP
Retailer 19£388 GBP
Retailer 12£420 GBP
Retailer 18£457 GBP
Retailer 17£580 GBP
Retailer 7£620 GBP
Retailer 5£625 GBP
Retailer 11£731 GBP
Retailer 3£749 GBP
Retailer 6£767 GBP
Retailer 9£860 GBP
Retailer 10£955 GBP

35 data points across 20 retailers

24 retailers£146 GBP to £1,578 GBP

A
Cheapest Retailer
-
£146 GBP
$195 USD
A
Retailer 2
-
£169 GBP
$226 USD
View
A
Retailer 3
-
£181 GBP
$242 USD
View
Retailer 4
-
£183 GBP
$245 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
£220 GBP
HK$2,300 HKD
View
B+
Retailer 6
-
£254 GBP
$340 USD
View
A
Retailer 7
-
£311 GBP
ZAR 6,740 ZAR
View
A
Retailer 8
-
£313 GBP
€400 EUR
View
A
Retailer 9
-
£328 GBP
View
A
Retailer 10
-
£350 GBP
€446 EUR
View
A
Retailer 11
-
£372 GBP
$499 USD
View
B+
Retailer 12
-
£388 GBP
$520 USD
View
B+
Retailer 13
-
£420 GBP
A$866 AUD
View
B+
Retailer 14
-
£457 GBP
$612 USD
View
B+
Retailer 15
-
£580 GBP
$777 USD
View
B+
Retailer 16
-
£620 GBP
$831 USD
View
B+
Retailer 17
-
£625 GBP
SGD 1,131 SGD
View
B
Retailer 18
-
£716 GBP
$960 USD
View
Retailer 19
-
£731 GBP
$980 USD
View
Price last confirmed 29 days ago
B
Retailer 20
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£749 GBP
$1,004 USD
View
B
Retailer 21
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£767 GBP
$1,028 USD
View
B
Retailer 22
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£860 GBP
View
B
Retailer 23
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£955 GBP
$1,280 USD
View
Most Expensive
B
Yadav Diamonds
13012098 · Oct 30
£1,578 GBP
$2,114 USD
View
23 more retailers have this diamond
Prices start from £146 GBPSave up to £1,432 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
£146 GBP