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Round|Lab Grown|IGI

1.20ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG470150712

Shape and cutting style on the report: Round brilliant

Certificate IGI LG470150712

Diamond specifications and retailer prices

From £299 GBP
$401 USD
As of October 30, 2026
Save £885 GBP (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,908 GBP at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.2ct lab-grown round diamond

This 1.2ct lab-grown round sits in the classic one-carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG470150712 or 470150712. Listed at 10 retailers as of October 29, 2026, with a 296% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG470150712
Dimensions6.84 × 6.82 × 4.21 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
6.84 mm6.82 mm1.20 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG470150712
Side View
Table 57.0%Crown 35.4°Girdle: THN-MEDPavilion 40.9°Culet: NoneDepth 61.6%

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: Oct 30
Current: £1,908 GBP|Low: £188 GBP|High: £1,908 GBP|Avg: £656 GBP|+18.0%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 14£188 GBP
Retailer 10£299 GBP
Retailer 11£384 GBP
Retailer 5£433 GBP
Retailer 4£434 GBP
Retailer 12£437 GBP
Retailer 8£505 GBP
Retailer 13£617 GBP
Retailer 7£717 GBP
Retailer 9£817 GBP
Retailer 3£952 GBP
Retailer 6£1,124 GBP
Retailer 2£1,184 GBP
Do Amore Diamonds£1,908 GBP

15 data points across 14 retailers

10 retailers£299 GBP to £1,184 GBP

A
Cheapest Retailer
-
£299 GBP
$401 USD
B+
Retailer 2
-
£384 GBP
$515 USD
View
B+
Retailer 3
-
£437 GBP
$586 USD
View
B
Retailer 4
-
£505 GBP
ZAR 10,945 ZAR
View
B
Retailer 5
-
£617 GBP
$827 USD
View
B
Retailer 6
-
£717 GBP
A$1,480 AUD
View
B
Retailer 7
-
£817 GBP
$1,097 USD
View
B
Retailer 8
-
£952 GBP
$1,277 USD
View
B
Retailer 9
-
£1,184 GBP
View
Most Expensive
Do Amore Diamonds
27-D63E0FE4B · Nov 1
£1,908 GBP
$2,560 USD
View
Price under review
9 more retailers have this diamond
Prices start from £299 GBPSave up to £885 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
1.20ct Round
£299 GBP