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Round|Lab Grown|IGI

1.00ct G VVS1 Round Lab Grown Diamond

EX • G/VVS1 • IGI LG851617097

Shape and cutting style on the report: Round brilliant

Certificate IGI LG851617097

Diamond specifications and retailer prices

From £162 GBP
HK$1,700 HKD
As of October 30, 2026
Save £584 GBP (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £746 GBP at Yadav Diamonds · As of October 30, 2026
View at Yadav Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded G colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG851617097 or 851617097. Listed at 13 retailers as of October 30, 2026, with prices from £162 to £746, a £584 spread on the same certified stone. Yadav Diamonds lists it at £746. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
G
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG851617097
Dimensions6.47 × 6.43 × 3.91 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
6.47 mm6.43 mm1.00 ctG / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG851617097
Side View
Table 60.0%Crown 31.6°Girdle: Slightly ThickPavilion 41.1°Culet: NoneDepth 60.6%

Caratlytics Score

How it works →
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: Oct 30
Current: £336 GBP|Low: £162 GBP|High: £746 GBP|Avg: £359 GBP
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Yadav Diamonds
October 30, 2026
Retailer 12£162 GBP
Retailer 4£188 GBP
Retailer 5£233 GBP
Retailer 7£236 GBP
Retailer 8£241 GBP
Retailer 6£241 GBP
Retailer 1£336 GBP
Retailer 2£373 GBP
Retailer 3£390 GBP
Retailer 9£455 GBP
Retailer 11£489 GBP
Retailer 10£654 GBP
Yadav Diamonds£746 GBP

3 data points across 13 retailers

13 retailers£162 GBP to £746 GBP

A
Cheapest Retailer
-
£162 GBP
HK$1,700 HKD
B+
Retailer 2
-
£188 GBP
$252 USD
View
A
Retailer 3
-
£233 GBP
View
A
Retailer 4
-
£236 GBP
$316 USD
View
B+
Retailer 5
-
£241 GBP
€307 EUR
View
A
Retailer 6
-
£241 GBP
View
B+
Retailer 7
-
£336 GBP
$450 USD
View
B+
Retailer 8
-
£373 GBP
$500 USD
View
B+
Retailer 9
-
£390 GBP
SGD 707 SGD
View
B
Retailer 10
-
£455 GBP
$610 USD
View
B
Retailer 11
-
£489 GBP
$655 USD
View
B
Retailer 12
-
£654 GBP
View
Most Expensive
B
Yadav Diamonds
13368793 · Oct 30
£746 GBP
$1,000 USD
View
12 more retailers have this diamond
Prices start from £162 GBPSave up to £584 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
1.00ct Round
£162 GBP