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Round|Lab Grown|IGI

1.28ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG818686556

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818686556

Diamond specifications and retailer prices

From £165 GBP
$221 USD
As of November 1, 2026
Save £659 GBP (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £823 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 1.28ct lab-grown round diamond

This 1.28ct lab-grown round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG818686556 or 818686556. Listed at 19 retailers as of October 29, 2026, with prices from £165 to £823, a £659 spread on the same certified stone. MOH London lists it at £823. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
H
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818686556
Dimensions7.02 × 6.97 × 4.26 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
7.02 mm6.97 mm1.28 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818686556
Side View
Table 59.0%Crown 33.8°Girdle: MED-STKPavilion 41°Culet: NoneDepth 61.0%

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: Nov 1
Current: £823 GBP|Low: £165 GBP|High: £829 GBP|Avg: £490 GBP|+0.5%
MOH London
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
November 2, 2026
Retailer 13£165 GBP
Retailer 14£204 GBP
Retailer 3£349 GBP
Retailer 6£350 GBP
Retailer 10£353 GBP
Retailer 8£364 GBP
Retailer 7£372 GBP
Retailer 12£380 GBP
Retailer 11£500 GBP
Retailer 2£542 GBP
Retailer 9£544 GBP
Retailer 5£697 GBP
Retailer 4£747 GBP
MOH London£823 GBP

35 data points across 14 retailers

19 retailers£165 GBP to £823 GBP

A
Cheapest Retailer
-
£165 GBP
$221 USD
A
Retailer 2
-
£192 GBP
$257 USD
View
Retailer 3
-
£204 GBP
$274 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£204 GBP
$274 USD
View
A
Retailer 5
-
£349 GBP
$468 USD
View
A
Retailer 6
-
£350 GBP
$470 USD
View
A
Retailer 7
-
£353 GBP
ZAR 7,652 ZAR
View
A
Retailer 8
-
£364 GBP
View
B+
Retailer 9
-
£372 GBP
€476 EUR
View
B+
Retailer 10
-
£380 GBP
$510 USD
View
Retailer 11
-
£384 GBP
$515 USD
View
Price last confirmed 12 days ago
Retailer 12
-
£473 GBP
$635 USD
View
Price last confirmed 12 days ago
B+
Retailer 13
-
£500 GBP
A$1,032 AUD
View
B+
Retailer 14
-
£542 GBP
$728 USD
View
B+
Retailer 15
-
£544 GBP
$730 USD
View
B
Retailer 16
-
£657 GBP
$882 USD
View
B
Retailer 17
-
£697 GBP
$935 USD
View
B
Retailer 18
-
£762 GBP
$1,023 USD
View
Most Expensive
B
MOH London
LG818686556 · Oct 29
£823 GBP
View
18 more retailers have this diamond
Prices start from £165 GBPSave up to £659 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
1.28ct Round
£165 GBP