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Round|Lab Grown|IGI

1.56ct H VVS1 Round Lab Grown Diamond

ID • H/VVS1 • IGI LG778657806

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778657806

Diamond specifications and retailer prices

From £193 GBP
$259 USD
As of November 1, 2026
Save £804 GBP (81%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £997 GBP at With Clarity · As of November 1, 2026
View at With Clarity

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG778657806 or 778657806. Listed at 20 retailers as of November 1, 2026, with prices from £193 to £997, a £804 spread on the same certified stone. With Clarity lists it at £997. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.56
Carat
H
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778657806
Dimensions7.54 × 7.49 × 4.51 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.54 mm7.49 mm1.56 ctH / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778657806
Side View
Table 60.0%Crown 35.1°Girdle: THN-MEDPavilion 40.5°Culet: NoneDepth 60.0%

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: £616 GBP|Low: £193 GBP|High: £1,379 GBP|Avg: £549 GBP|+6.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
With Clarity
November 2, 2026
Retailer 5£193 GBP
Retailer 10£216 GBP
Retailer 18£224 GBP
Retailer 15£239 GBP
Retailer 8£240 GBP
Retailer 7£358 GBP
Retailer 12£366 GBP
Retailer 2£399 GBP
Retailer 13£413 GBP
Retailer 9£449 GBP
Retailer 17£493 GBP
Retailer 6£558 GBP
Retailer 1£616 GBP
Retailer 11£689 GBP
Retailer 16£769 GBP
Retailer 4£771 GBP
Retailer 3£807 GBP
Retailer 19£872 GBP
Retailer 14£959 GBP
With Clarity£997 GBP

29 data points across 20 retailers

20 retailers£193 GBP to £997 GBP

A
Cheapest Retailer
-
£193 GBP
$259 USD
A
Retailer 2
-
£216 GBP
$290 USD
View
Final sale: no returns
A
Retailer 3
-
£224 GBP
$300 USD
View
A
Retailer 4
-
£239 GBP
$321 USD
View
Retailer 5
-
£240 GBP
$322 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
£358 GBP
$480 USD
View
A
Retailer 7
-
£366 GBP
View
A
Retailer 8
-
£399 GBP
$535 USD
View
A
Retailer 9
-
£413 GBP
ZAR 8,952 ZAR
View
A
Retailer 10
-
£449 GBP
$603 USD
View
B+
Retailer 11
-
£493 GBP
$661 USD
View
B+
Retailer 12
-
£558 GBP
A$1,153 AUD
View
B
Retailer 13
-
£616 GBP
$827 USD
View
Retailer 14
-
£689 GBP
$925 USD
View
Price last confirmed 12 days ago
B
Retailer 15
-
£769 GBP
$1,032 USD
View
B
Retailer 16
-
£771 GBP
SGD 1,399 SGD
View
B
Retailer 17
-
£807 GBP
$1,083 USD
View
B
Retailer 18
-
£872 GBP
$1,170 USD
View
B
Retailer 19
-
£959 GBP
View
Most Expensive
B
With Clarity
778657806 · Nov 1
£997 GBP
$1,338 USD
View
19 more retailers have this diamond
Prices start from £193 GBPSave up to £804 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
1.56ct Round
£193 GBP