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Radiant|Lab Grown|IGI

1.27ct D VVS1 Radiant Lab Grown Diamond

ID • D/VVS1 • IGI LG839624425

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

Certificate IGI LG839624425

Diamond specifications and retailer prices

From £137 GBP
As of November 2, 2026
Save £657 GBP (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £1,319 GBP at Helzberg Diamonds · As of October 13, 2026
View at Helzberg Diamonds

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839624425 or 839624425. Listed at 22 retailers as of November 2, 2026, with a 480% 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

1.27
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839624425
Dimensions7.57 × 5.30 × 3.57 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.57 mm5.30 mm1.27 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839624425
Side View
Table 66.0%Crown 40°Girdle: Slightly ThickPavilion 35°Culet: NoneDepth 67.4%

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: Nov 2
Current: £153 GBP|Low: £137 GBP|High: £998 GBP|Avg: £398 GBP|-2.8%
Retailer 1
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Retailer 20
November 3, 2026
Retailer 2£137 GBP
Retailer 1£153 GBP
Retailer 6£160 GBP
Retailer 12£170 GBP
Retailer 13£172 GBP
Retailer 20£193 GBP
Retailer 7£230 GBP
Retailer 4£294 GBP
Retailer 15£307 GBP
Retailer 19£314 GBP
Retailer 9£412 GBP
Retailer 3£414 GBP
Retailer 8£464 GBP
Retailer 5£548 GBP
Retailer 10£556 GBP
Retailer 16£568 GBP
Retailer 18£577 GBP
Retailer 14£585 GBP
Retailer 17£794 GBP
Retailer 11£795 GBP

19 data points across 20 retailers

22 retailers£137 GBP to £794 GBP

A
Cheapest Retailer
-
£137 GBP
A
Retailer 2
-
£153 GBP
View
Final sale: no returns
A
Retailer 3
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£160 GBP
View
A
Retailer 4
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£170 GBP
View
Retailer 5
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£172 GBP
View
Price last confirmed 20 days ago
A
Retailer 6
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£193 GBP
View
B+
Retailer 7
-
£230 GBP
View
A
Retailer 8
-
£294 GBP
View
A
Retailer 9
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£307 GBP
View
A
Retailer 10
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£314 GBP
View
A
Retailer 11
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£412 GBP
View
A
Retailer 12
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£414 GBP
View
B+
Retailer 13
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£464 GBP
View
B+
Retailer 14
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£548 GBP
View
B+
Retailer 15
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£556 GBP
View
B+
Retailer 16
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£568 GBP
View
B+
Retailer 17
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£577 GBP
View
B+
Retailer 18
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£585 GBP
View
Retailer 19
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£717 GBP
View
Price last confirmed 32 days ago
B+
Retailer 20
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£794 GBP
View
Retailer 21
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£795 GBP
View
Price last confirmed 19 days ago
Most Expensive
Helzberg Diamonds
ZXZOJPMIKKIL · Oct 13
£1,319 GBP
$1,775 USD
View
Price last confirmed 23 days ago
21 more retailers have this diamond
Prices start from £137 GBPSave up to £657 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
1.27ct Radiant
£137 GBP