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Radiant|Lab Grown|IGI

1.51ct D VS1 Radiant Lab Grown Diamond

ID • D/VS1 • IGI LG818620902

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

Certificate IGI LG818620902

Diamond specifications and retailer prices

From £227 GBP
$304 USD
As of October 30, 2026
Save £1,788 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,015 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.51ct lab-grown radiant diamond

This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818620902 or 818620902. Listed at 25 retailers as of October 30, 2026, with prices from £227 to £2,015, a £1,788 spread on the same certified stone. Do Amore Diamonds lists it at £2,015. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle51.2°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818620902
Dimensions8.20 × 5.40 × 3.79 mm
L/W Ratio1.52
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.20 mm5.40 mm1.51 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818620902
Side View
Table 67.0%Crown 51.2°Girdle: MED-STKPavilion 34.2°Culet: NoneDepth 70.2%

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: Oct 30
Current: £2,015 GBP|Low: £187 GBP|High: £2,015 GBP|Avg: £668 GBP|+21.1%
Do Amore Diamonds
Retailer 2
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Retailer 22
November 1, 2026
Retailer 3£227 GBP
Retailer 10£254 GBP
Retailer 8£263 GBP
Retailer 20£281 GBP
Retailer 21£281 GBP
Retailer 5£314 GBP
Retailer 13£346 GBP
Retailer 6£375 GBP
Retailer 7£399 GBP
Retailer 4£531 GBP
Retailer 18£534 GBP
Retailer 16£557 GBP
Retailer 17£724 GBP
Retailer 19£790 GBP
Retailer 22£865 GBP
Retailer 14£999 GBP
Retailer 15£1,011 GBP
Retailer 12£1,081 GBP
Retailer 9£1,118 GBP
Retailer 11£1,159 GBP
Retailer 2£1,245 GBP
Do Amore Diamonds£2,015 GBP

21 data points across 22 retailers

25 retailers£227 GBP to £2,015 GBP

A
Cheapest Retailer
-
£227 GBP
$304 USD
A
Retailer 2
-
£254 GBP
$340 USD
View
Final sale: no returns
A
Retailer 3
-
£263 GBP
$353 USD
View
A
Retailer 4
-
£281 GBP
$377 USD
View
Retailer 5
-
£281 GBP
$377 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
£314 GBP
$421 USD
View
A
Retailer 7
-
£346 GBP
View
A
Retailer 8
-
£375 GBP
$503 USD
View
B+
Retailer 9
-
£399 GBP
$535 USD
View
B+
Retailer 10
-
£531 GBP
$711 USD
View
B+
Retailer 11
-
£534 GBP
ZAR 11,557 ZAR
View
B+
Retailer 12
-
£557 GBP
View
B
Retailer 13
-
£724 GBP
A$1,493 AUD
View
B+
Retailer 14
-
£790 GBP
A$1,628 AUD
View
Retailer 15
-
£802 GBP
$1,075 USD
View
Price last confirmed 27 days ago
B
Retailer 16
-
£865 GBP
$1,159 USD
View
B
Retailer 17
-
£999 GBP
$1,338 USD
View
Retailer 18
-
£1,011 GBP
$1,354 USD
View
Price last confirmed 13 days ago
B
Retailer 19
-
£1,081 GBP
$1,449 USD
View
B
Retailer 20
-
£1,107 GBP
CA$2,059 CAD
View
B
Retailer 21
-
£1,118 GBP
$1,498 USD
View
B
Retailer 22
-
£1,159 GBP
SGD 2,098 SGD
View
B
Retailer 23
-
£1,183 GBP
$1,585 USD
View
B
Retailer 24
-
£1,245 GBP
View
Most Expensive
B
Do Amore Diamonds
27-A0C269AFE · Oct 31
£2,015 GBP
$2,700 USD
View
24 more retailers have this diamond
Prices start from £227 GBPSave up to £1,788 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
1.51ct Radiant
£227 GBP