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Round|Lab Grown|IGI

1.28ct D VVS2 Round Lab Grown Diamond

ID • D/VVS2 • IGI LG786633777

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786633777

Diamond specifications and retailer prices

From £167 GBP
As of November 5, 2026
Save £724 GBP (81%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,623 GBP at Queensmith · As of October 27, 2026
View at Queensmith

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 D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG786633777 or 786633777. Listed at 22 retailers as of November 4, 2026, with a 433% 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

1.28
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786633777
Dimensions6.95 × 6.98 × 4.27 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
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
Top View
6.95 mm6.98 mm1.28 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786633777
Side View
Table 57.0%Crown 35.5°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.2%

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 5
Current: £337 GBP|Low: £144 GBP|High: £880 GBP|Avg: £347 GBP|+5.6%
Retailer 1
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 5, 2026
Retailer 5£144 GBP
Retailer 12£167 GBP
Retailer 2£186 GBP
Retailer 4£186 GBP
Retailer 3£251 GBP
Retailer 14£307 GBP
Retailer 10£321 GBP
Retailer 1£337 GBP
Retailer 9£341 GBP
Retailer 6£370 GBP
Retailer 13£409 GBP
Retailer 7£453 GBP
Retailer 8£485 GBP
Retailer 11£869 GBP

43 data points across 14 retailers

22 retailers£167 GBP to £891 GBP

Retailer 1
-
£144 GBP
Price last confirmed 35 days ago
A
Retailer 2
-
£167 GBP
View
Final sale: no returns
Retailer 3
-
£174 GBP
View
Price last confirmed 30 days ago
Retailer 4
-
£186 GBP
View
Price last confirmed 34 days ago
Retailer 5
-
£186 GBP
View
Price last confirmed 11 days ago
A
Retailer 6
-
£209 GBP
View
B+
Retailer 7
-
£251 GBP
View
A
Retailer 8
-
£321 GBP
View
A
Retailer 9
-
£337 GBP
View
A
Retailer 10
-
£341 GBP
View
A
Retailer 11
-
£344 GBP
View
A
Retailer 12
-
£370 GBP
View
Retailer 13
-
£409 GBP
View
Price last confirmed 18 days ago
B+
Retailer 14
-
£453 GBP
View
B+
Retailer 15
-
£485 GBP
View
Retailer 16
-
£598 GBP
View
Price last confirmed 36 days ago
B+
Retailer 17
-
£605 GBP
View
B
Retailer 18
-
£632 GBP
View
B
Retailer 19
-
£637 GBP
View
B
Retailer 20
-
£869 GBP
View
B
Retailer 21
-
£891 GBP
View
Most Expensive
Queensmith
LG786633777 · Oct 27
£1,623 GBP
View
Price last confirmed 8 days ago
21 more retailers have this diamond
Prices start from £167 GBPSave up to £724 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
£167 GBP