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Radiant|Lab Grown|IGI

1.71ct E VVS1 Radiant Lab Grown Diamond

ID • E/VVS1 • IGI LG790648354

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

Certificate IGI LG790648354

Diamond specifications and retailer prices

From £314 GBP
$421 USD
As of October 30, 2026
Save £2,470 GBP (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,784 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG790648354 or 790648354. Listed at 14 retailers as of October 30, 2026, with prices from £314 to £2,784, a £2,470 spread on the same certified stone. Do Amore Diamonds lists it at £2,784. 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 angle47.2°
Pavilion angle34.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790648354
Dimensions8.50 × 5.86 × 3.96 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.50 mm5.86 mm1.71 ctE / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790648354
Side View
Table 61.0%Crown 47.2°Girdle: MediumPavilion 34.4°Culet: NoneDepth 67.6%

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: £2,784 GBP|Low: £302 GBP|High: £2,784 GBP|Avg: £876 GBP
Do Amore Diamonds
Retailer 2
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Retailer 19
November 1, 2026
Retailer 17£314 GBP
Retailer 3£352 GBP
Retailer 4£352 GBP
Retailer 11£426 GBP
Retailer 6£437 GBP
Retailer 12£454 GBP
Retailer 5£510 GBP
Retailer 16£511 GBP
Retailer 9£608 GBP
Retailer 19£613 GBP
Retailer 10£851 GBP
Retailer 8£990 GBP
Retailer 13£1,000 GBP
Retailer 7£1,064 GBP
Retailer 15£1,092 GBP
Retailer 14£1,317 GBP
Retailer 18£1,381 GBP
Retailer 2£1,578 GBP
Do Amore Diamonds£2,784 GBP

34 data points across 19 retailers

14 retailers£314 GBP to £2,784 GBP

A
Cheapest Retailer
-
£314 GBP
$421 USD
A
Retailer 2
-
£352 GBP
$471 USD
View
A
Retailer 3
-
£352 GBP
$471 USD
View
Final sale: no returns
A
Retailer 4
-
£454 GBP
View
A
Retailer 5
-
£510 GBP
$683 USD
View
A
Retailer 6
-
£511 GBP
$685 USD
View
B+
Retailer 7
-
£613 GBP
$822 USD
View
B+
Retailer 8
-
£1,000 GBP
A$2,062 AUD
View
B
Retailer 9
-
£1,092 GBP
$1,463 USD
View
Retailer 10
-
£1,317 GBP
$1,765 USD
View
Price last confirmed 14 days ago
B
Retailer 11
-
£1,381 GBP
$1,850 USD
View
B
Retailer 12
-
£1,578 GBP
View
B
Retailer 13
-
£2,605 GBP
$3,490 USD
View
Most Expensive
B
Do Amore Diamonds
27-B61F6D118 · Oct 31
£2,784 GBP
$3,730 USD
View
13 more retailers have this diamond
Prices start from £314 GBPSave up to £2,470 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
£314 GBP