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Round|Lab Grown|IGI

1.28ct H VS2 Round Lab Grown Diamond

ID • H/VS2 • IGI LG788642505

Shape and cutting style on the report: Round brilliant

Certificate IGI LG788642505

Diamond specifications and retailer prices

From £166 GBP
$222 USD
As of October 25, 2026
Save £609 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £774 GBP at MOH London · As of October 26, 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 VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG788642505 or 788642505. Listed at 16 retailers as of October 25, 2026, with prices from £166 to £774, a £609 spread on the same certified stone. MOH London lists it at £774. 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
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG788642505
Dimensions7.03 × 6.98 × 4.23 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
7.03 mm6.98 mm1.28 ctH / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG788642505
Side View
Table 59.0%Crown 34.3°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 60.4%

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: Oct 25
Current: £774 GBP|Low: £128 GBP|High: £783 GBP|Avg: £382 GBP
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
October 31, 2026
Retailer 11£134 GBP
Retailer 3£166 GBP
Retailer 9£166 GBP
Retailer 2£280 GBP
Retailer 7£293 GBP
Retailer 8£340 GBP
Retailer 6£346 GBP
Retailer 13£373 GBP
Retailer 4£408 GBP
Retailer 12£433 GBP
Retailer 10£562 GBP
Retailer 5£572 GBP
MOH London£774 GBP

21 data points across 13 retailers

16 retailers£166 GBP to £774 GBP

Retailer 1
-
£134 GBP
$179 USD
Price last confirmed 21 days ago
Retailer 2
-
£154 GBP
$207 USD
View
Price last confirmed 18 days ago
Retailer 3
-
£166 GBP
$222 USD
View
Price last confirmed 19 days ago
Retailer 4
-
£166 GBP
$222 USD
View
Price last confirmed 29 days ago
A
Retailer 5
-
£166 GBP
$222 USD
View
A
Retailer 6
-
£280 GBP
€357 EUR
View
A
Retailer 7
-
£293 GBP
$393 USD
View
A
Retailer 8
-
£340 GBP
$456 USD
View
A
Retailer 9
-
£346 GBP
View
Retailer 10
-
£373 GBP
$500 USD
View
Price last confirmed 12 days ago
A
Retailer 11
-
£408 GBP
$547 USD
View
A
Retailer 12
-
£433 GBP
$580 USD
View
Retailer 13
-
£532 GBP
$713 USD
View
Price last confirmed 31 days ago
B+
Retailer 14
-
£562 GBP
$753 USD
View
B+
Retailer 15
-
£572 GBP
$767 USD
View
Most Expensive
B+
MOH London
LG788642505 · Oct 26
£774 GBP
View
15 more retailers have this diamond
Prices start from £166 GBPSave up to £609 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
£166 GBP