CaratHunter
Plans
Radiant|Lab Grown|IGI

1.71ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG729539527

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

Certificate IGI LG729539527

Diamond specifications and retailer prices

From £209 GBP
$280 USD
As of October 30, 2026
Save £2,179 GBP (91%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,388 GBP at Brilliant Earth · As of October 31, 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 E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG729539527 or 729539527. Listed at 15 retailers as of October 30, 2026, with prices from £209 to £2,388, a £2,179 spread on the same certified stone. Brilliant Earth lists it at £2,388. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
E
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729539527
Dimensions8.15 × 6.01 × 4.16 mm
L/W Ratio1.36
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.15 mm6.01 mm1.71 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729539527
Side View
Table 68.0%Crown 41.4°Girdle: MediumPavilion 39.3°Culet: NoneDepth 69.2%

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: £2,388 GBP|Low: £201 GBP|High: £2,396 GBP|Avg: £803 GBP|+11.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 1, 2026
Retailer 14£209 GBP
Retailer 16£243 GBP
Retailer 3£322 GBP
Retailer 6£346 GBP
Retailer 12£347 GBP
Retailer 9£447 GBP
Retailer 5£462 GBP
Retailer 11£668 GBP
Retailer 13£797 GBP
Retailer 7£865 GBP
Retailer 15£920 GBP
Retailer 10£1,014 GBP
Retailer 2£1,148 GBP
Retailer 8£1,201 GBP
Retailer 4£1,858 GBP
Brilliant Earth£2,388 GBP

33 data points across 16 retailers

15 retailers£209 GBP to £2,388 GBP

A
Cheapest Retailer
-
£209 GBP
$280 USD
A
Retailer 2
-
£243 GBP
$325 USD
View
A
Retailer 3
-
£322 GBP
$431 USD
View
B+
Retailer 4
-
£346 GBP
$463 USD
View
A
Retailer 5
-
£347 GBP
$465 USD
View
A
Retailer 6
-
£447 GBP
€570 EUR
View
A
Retailer 7
-
£462 GBP
$619 USD
View
B+
Retailer 8
-
£668 GBP
A$1,376 AUD
View
B+
Retailer 9
-
£797 GBP
$1,068 USD
View
B+
Retailer 10
-
£920 GBP
$1,233 USD
View
B+
Retailer 11
-
£1,014 GBP
A$2,090 AUD
View
B+
Retailer 12
-
£1,148 GBP
View
Retailer 13
-
£1,201 GBP
$1,610 USD
View
Price last confirmed 53 days ago
B
Retailer 14
-
£1,858 GBP
$2,490 USD
View
Most Expensive
B
Brilliant Earth
21669048A · Oct 31
£2,388 GBP
$3,200 USD
View
14 more retailers have this diamond
Prices start from £209 GBPSave up to £2,179 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
£209 GBP