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Radiant|Lab Grown|IGI

1.20ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG834616346

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

Certificate IGI LG834616346

Diamond specifications and retailer prices

From £190 GBP
As of November 4, 2026
Save £763 GBP (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £953 GBP at Reve Diamonds · As of November 4, 2026
View at Reve Diamonds

About this 1.2ct lab-grown radiant diamond

This 1.2ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834616346 or 834616346. Listed at 12 retailers as of November 4, 2026, with prices from £190 to £953, a £763 spread on the same certified stone. Reve Diamonds lists it at £953. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.8°
Pavilion angle34.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834616346
Dimensions5.95 × 5.71 × 3.91 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.95 mm5.71 mm1.20 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834616346
Side View
Table 62.0%Crown 39.8°Girdle: MED-STKPavilion 34.1°Culet: NoneDepth 68.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: £841 GBP|Low: £190 GBP|High: £953 GBP|Avg: £521 GBP|-1.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Reve Diamonds
November 5, 2026
Retailer 4£190 GBP
Retailer 11£210 GBP
Retailer 10£283 GBP
Retailer 7£350 GBP
Retailer 6£363 GBP
Retailer 3£368 GBP
Retailer 9£541 GBP
Retailer 5£557 GBP
Retailer 8£659 GBP
Retailer 12£680 GBP
Retailer 2£715 GBP
Retailer 1£841 GBP
Reve Diamonds£953 GBP

26 data points across 13 retailers

12 retailers£190 GBP to £953 GBP

A
Cheapest Retailer
-
£190 GBP
Final sale: no returns
A
Retailer 2
-
£283 GBP
View
A
Retailer 3
-
£350 GBP
View
A
Retailer 4
-
£363 GBP
View
B+
Retailer 5
-
£368 GBP
View
Retailer 6
-
£541 GBP
View
Price last confirmed 15 days ago
B+
Retailer 7
-
£557 GBP
View
B
Retailer 8
-
£659 GBP
View
B
Retailer 9
-
£680 GBP
View
B
Retailer 10
-
£715 GBP
View
B
Retailer 11
-
£841 GBP
View
Most Expensive
B
Reve Diamonds
D05468931 · Nov 4
£953 GBP
$1,286 USD
View
11 more retailers have this diamond
Prices start from £190 GBPSave up to £763 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
1.20ct Radiant
£190 GBP