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Heart|Lab Grown|IGI

1.71ct E VS2 Heart Lab Grown Diamond

EX • E/VS2 • IGI LG776653758

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776653758

Diamond specifications and retailer prices

From £170 GBP
$227 USD
As of October 27, 2026
Save £692 GBP (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: £862 GBP at Brilliance · As of October 28, 2026
View at Brilliance

About this 1.71ct lab-grown heart diamond

This 1.71ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG776653758 or 776653758. Listed at 13 retailers as of October 27, 2026, with prices from £170 to £862, a £692 spread on the same certified stone. Brilliance lists it at £862. 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
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776653758
Dimensions7.42 × 8.35 × 8.35 mm
L/W Ratio1.13
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.42 mm8.35 mm1.71 ctE / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776653758
Side View
Table 60.0%Crown 31.4°Girdle: MED-STKPavilion 39°Culet: NoneDepth 56.3%

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: £862 GBP|Low: £170 GBP|High: £1,247 GBP|Avg: £532 GBP
Brilliance
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
October 30, 2026
Retailer 5£170 GBP
Retailer 4£198 GBP
Retailer 10£212 GBP
Retailer 16£240 GBP
Retailer 2£248 GBP
Retailer 3£360 GBP
Retailer 9£395 GBP
Retailer 13£408 GBP
Retailer 6£433 GBP
Retailer 15£458 GBP
Retailer 14£680 GBP
Retailer 11£784 GBP
Retailer 8£834 GBP
Retailer 12£853 GBP
Brilliance£862 GBP
Retailer 7£1,247 GBP

4 data points across 16 retailers

13 retailers£170 GBP to £862 GBP

A
Cheapest Retailer
-
£170 GBP
$227 USD
A
Retailer 2
-
£198 GBP
$264 USD
View
A
Retailer 3
-
£212 GBP
$282 USD
View
A
Retailer 4
-
£240 GBP
HK$2,500 HKD
View
A
Retailer 5
-
£248 GBP
View
B+
Retailer 6
-
£360 GBP
$479 USD
View
A
Retailer 7
-
£395 GBP
View
A
Retailer 8
-
£408 GBP
$543 USD
View
B+
Retailer 9
-
£458 GBP
$610 USD
View
B+
Retailer 10
-
£680 GBP
$906 USD
View
B
Retailer 11
-
£784 GBP
A$1,606 AUD
View
B
Retailer 12
-
£853 GBP
View
Most Expensive
B
Brilliance
D46472301 · Oct 28
£862 GBP
$1,148 USD
View
12 more retailers have this diamond
Prices start from £170 GBPSave up to £692 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 Heart
£170 GBP