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Radiant|Lab Grown|IGI

1.71ct D VS2 Radiant Lab Grown Diamond

VG • D/VS2 • IGI LG724562489

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

Certificate IGI LG724562489

Diamond specifications and retailer prices

From £493 GBP
$657 USD
As of October 28, 2026
Save £963 GBP (66%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: £1,457 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 LG724562489 or 724562489. Listed at 7 retailers as of October 28, 2026, with prices from £493 to £1,457, a £963 spread on the same certified stone. Brilliant Earth lists it at £1,457. 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 angle45.9°
Pavilion angle31.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG724562489
Dimensions8.27 × 5.66 × 3.92 mm
L/W Ratio1.46
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.27 mm5.66 mm1.71 ctD / VS2
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG724562489
Side View
Table 67.0%Crown 45.9°Girdle: Slightly ThickPavilion 31.5°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: £1,457 GBP|Low: £457 GBP|High: £1,502 GBP|Avg: £806 GBP|-3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 4£493 GBP
Retailer 5£502 GBP
Retailer 6£503 GBP
Retailer 2£543 GBP
Retailer 7£1,012 GBP
Retailer 3£1,222 GBP
Brilliant Earth£1,457 GBP

38 data points across 7 retailers

7 retailers£493 GBP to £1,457 GBP

B+
Cheapest Retailer
-
£493 GBP
$657 USD
B+
Retailer 2
-
£502 GBP
$669 USD
View
B+
Retailer 3
-
£503 GBP
$670 USD
View
B+
Retailer 4
-
£543 GBP
View
B
Retailer 5
-
£1,012 GBP
$1,348 USD
View
B
Retailer 6
-
£1,222 GBP
View
Most Expensive
B
Brilliant Earth
17973377A · Oct 29
£1,457 GBP
$1,940 USD
View
6 more retailers have this diamond
Prices start from £493 GBPSave up to £963 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+
1.71ct Radiant
£493 GBP