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Round|Lab Grown|IGI

1.00ct H VS1 Round Lab Grown Diamond

EX • H/VS1 • IGI LG514250000

Shape and cutting style on the report: Round brilliant

Certificate IGI LG514250000

Diamond specifications and retailer prices

From £149 GBP
$200 USD
As of November 1, 2026
Save £1,284 GBP (90%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,433 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1ct lab-grown round diamond

This 1ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG514250000 or 514250000. Listed at 18 retailers as of October 31, 2026, with prices from £149 to £1,433, a £1,284 spread on the same certified stone. Do Amore Diamonds lists it at £1,433. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle41.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG514250000
Dimensions6.33 × 6.35 × 4.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
6.33 mm6.35 mm1.00 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG514250000
Side View
Table 57.5%Crown 35.6°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 63.4%

Caratlytics Score

How it works →
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: £1,433 GBP|Low: £149 GBP|High: £1,433 GBP|Avg: £495 GBP
Do Amore Diamonds
Retailer 2
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Retailer 18
November 1, 2026
Retailer 18£149 GBP
Retailer 16£174 GBP
Retailer 3£176 GBP
Retailer 4£186 GBP
Retailer 15£186 GBP
Retailer 13£220 GBP
Retailer 2£354 GBP
Retailer 9£365 GBP
Retailer 12£375 GBP
Retailer 17£418 GBP
Retailer 10£491 GBP
Retailer 14£501 GBP
Retailer 6£599 GBP
Retailer 8£633 GBP
Retailer 5£658 GBP
Retailer 7£787 GBP
Retailer 11£821 GBP
Do Amore Diamonds£1,433 GBP

16 data points across 18 retailers

18 retailers£149 GBP to £1,433 GBP

A
Cheapest Retailer
-
£149 GBP
$200 USD
A
Retailer 2
-
£174 GBP
$233 USD
View
A
Retailer 3
-
£176 GBP
$236 USD
View
A
Retailer 4
-
£186 GBP
$249 USD
View
Retailer 5
-
£186 GBP
$249 USD
View
Price last confirmed 7 days ago
B+
Retailer 6
-
£220 GBP
$295 USD
View
B+
Retailer 7
-
£354 GBP
ZAR 7,652 ZAR
View
B+
Retailer 8
-
£365 GBP
$488 USD
View
B+
Retailer 9
-
£375 GBP
View
B+
Retailer 10
-
£418 GBP
$560 USD
View
B
Retailer 11
-
£491 GBP
$658 USD
View
B
Retailer 12
-
£501 GBP
A$1,032 AUD
View
B
Retailer 13
-
£599 GBP
$802 USD
View
B
Retailer 14
-
£633 GBP
$848 USD
View
B
Retailer 15
-
£658 GBP
$882 USD
View
B
Retailer 16
-
£787 GBP
$1,054 USD
View
B
Retailer 17
-
£821 GBP
View
Most Expensive
B
Do Amore Diamonds
27-F90B86565 · Oct 31
£1,433 GBP
$1,920 USD
View
17 more retailers have this diamond
Prices start from £149 GBPSave up to £1,284 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
£149 GBP