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Radiant|Lab Grown|IGI

1.71ct D VS2 Radiant Lab Grown Diamond

VG • D/VS2 • IGI LG838653228

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

Certificate IGI LG838653228

Diamond specifications and retailer prices

From £170 GBP
$227 USD
As of October 27, 2026
Save £1,226 GBP (88%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,397 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.71ct lab-grown radiant diamond

This 1.71ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a very-good cut grade and certified by IGI LG838653228 or 838653228. Listed at 16 retailers as of October 27, 2026, with prices from £170 to £1,397, a £1,226 spread on the same certified stone. Brilliant Earth lists it at £1,397. 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

1.71
Carat
D
Colour
VS2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.3°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838653228
Dimensions8.26 × 5.89 × 4.06 mm
L/W Ratio1.40
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.26 mm5.89 mm1.71 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838653228
Side View
Table 64.0%Crown 44.3°Girdle: MediumPavilion 35.4°Culet: NoneDepth 68.9%

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: Oct 27
Current: £1,397 GBP|Low: £170 GBP|High: £1,397 GBP|Avg: £554 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
October 29, 2026
Retailer 15£170 GBP
Retailer 11£197 GBP
Retailer 3£211 GBP
Retailer 17£211 GBP
Retailer 14£236 GBP
Retailer 5£358 GBP
Retailer 13£380 GBP
Retailer 2£393 GBP
Retailer 8£463 GBP
Retailer 6£476 GBP
Retailer 16£679 GBP
Retailer 12£681 GBP
Retailer 9£718 GBP
Retailer 10£848 GBP
Retailer 7£860 GBP
Retailer 4£965 GBP
Brilliant Earth£1,397 GBP

21 data points across 17 retailers

16 retailers£170 GBP to £1,397 GBP

A
Cheapest Retailer
-
£170 GBP
$227 USD
A
Retailer 2
-
£197 GBP
$263 USD
View
A
Retailer 3
-
£211 GBP
$281 USD
View
A
Retailer 4
-
£211 GBP
$281 USD
View
Retailer 5
-
£236 GBP
View
Price last confirmed 12 days ago
B+
Retailer 6
-
£358 GBP
$477 USD
View
A
Retailer 7
-
£380 GBP
€482 EUR
View
A
Retailer 8
-
£393 GBP
View
B+
Retailer 9
-
£463 GBP
$617 USD
View
B+
Retailer 10
-
£476 GBP
$634 USD
View
B+
Retailer 11
-
£679 GBP
$904 USD
View
B
Retailer 12
-
£681 GBP
$907 USD
View
Retailer 13
-
£718 GBP
$956 USD
View
Price last confirmed 11 days ago
B
Retailer 14
-
£848 GBP
View
B
Retailer 15
-
£860 GBP
$1,145 USD
View
Most Expensive
B
Brilliant Earth
21756862A · Oct 29
£1,397 GBP
$1,860 USD
View
15 more retailers have this diamond
Prices start from £170 GBPSave up to £1,226 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
1.71ct Radiant
£170 GBP