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Radiant|Lab Grown|IGI

1.28ct G VVS2 Radiant Lab Grown Diamond

GD • G/VVS2 • IGI LG616408144

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG616408144

Diamond specifications and retailer prices

From £528 GBP
As of October 28, 2026
Save £620 GBP (54%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,148 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.28ct lab-grown radiant diamond

This 1.28ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a standard cut grade and certified by IGI LG616408144 or 616408144. Listed at 10 retailers as of October 28, 2026, with prices from £528 to £1,148, a £620 spread on the same certified stone. Do Amore Diamonds lists it at £1,148. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
G
Colour
VVS2
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle42.9°
Pavilion angle34.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG616408144
Dimensions7.60 × 5.30 × 3.59 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.60 mm5.30 mm1.28 ctG / VVS2
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG616408144
Side View
Table 63.0%Crown 42.9°Girdle: MED-STKPavilion 34.3°Culet: NoneDepth 67.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,148 GBP|Low: £100 GBP|High: £1,178 GBP|Avg: £512 GBP|-2.5%
Do Amore Diamonds
Retailer 2
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October 29, 2026
Retailer 13£120 GBP
Retailer 17£137 GBP
Retailer 11£139 GBP
Retailer 15£270 GBP
Retailer 3£299 GBP
Retailer 6£315 GBP
Retailer 5£352 GBP
Retailer 7£388 GBP
Retailer 10£400 GBP
Retailer 12£505 GBP
Retailer 9£524 GBP
Retailer 14£528 GBP
Retailer 4£690 GBP
Retailer 2£771 GBP
Retailer 8£785 GBP
Retailer 16£1,022 GBP
Do Amore Diamonds£1,148 GBP

21 data points across 17 retailers

10 retailers£528 GBP to £1,148 GBP

Retailer 1
-
£120 GBP
Price last confirmed 8 days ago
Retailer 2
-
£139 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
£270 GBP
View
Price last confirmed 7 days ago
Retailer 4
-
£400 GBP
View
Price last confirmed 9 days ago
Retailer 5
-
£505 GBP
View
Price last confirmed 9 days ago
B
Retailer 6
-
£528 GBP
View
B
Retailer 7
-
£771 GBP
View
Retailer 8
-
£785 GBP
View
Price last confirmed 7 days ago
Retailer 9
-
£1,022 GBP
View
Price last confirmed 7 days ago
Most Expensive
C
Do Amore Diamonds
27-3EA5D63C2 · Oct 29
£1,148 GBP
$1,550 USD
View
9 more retailers have this diamond
Prices start from £528 GBPSave up to £620 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.

B
1.28ct Radiant
£528 GBP