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1.28ct H VVS2 Round Lab Grown Diamond

ID • H/VVS2 • IGI LG841628995

Shape and cutting style on the report: Round brilliant

Certificate IGI LG841628995

Diamond specifications and retailer prices

From £297 GBP
$399 USD
As of November 1, 2026
Save £500 GBP (63%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £797 GBP at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

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 LG841628995 or 841628995. Listed at 9 retailers as of November 1, 2026, with prices from £297 to £797, a £500 spread on the same certified stone. Brilliant Earth lists it at £797. 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 angle35.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841628995
Dimensions6.92 × 6.97 × 4.32 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II Faint Blue
Top View
6.92 mm6.97 mm1.28 ctH / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841628995
Side View
Table 59.0%Crown 35.5°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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: £789 GBP|Low: £297 GBP|High: £793 GBP|Avg: £473 GBP|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 5£297 GBP
Retailer 3£341 GBP
Retailer 4£355 GBP
Retailer 2£414 GBP
Retailer 7£563 GBP
Retailer 6£583 GBP
Retailer 1£789 GBP

6 data points across 7 retailers

9 retailers£297 GBP to £797 GBP

A
Cheapest Retailer
-
£297 GBP
$399 USD
A
Retailer 2
-
£341 GBP
$457 USD
View
A
Retailer 3
-
£355 GBP
$476 USD
View
B+
Retailer 4
-
£365 GBP
$490 USD
View
B+
Retailer 5
-
£414 GBP
$555 USD
View
B+
Retailer 6
-
£563 GBP
$756 USD
View
B+
Retailer 7
-
£583 GBP
$782 USD
View
B
Retailer 8
-
£789 GBP
View
Most Expensive
B
Brilliant Earth
22302107A · Nov 2
£797 GBP
$1,070 USD
View
8 more retailers have this diamond
Prices start from £297 GBPSave up to £500 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
£297 GBP