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Heart|Lab Grown|IGI

1.71ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG834610112

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG834610112

Diamond specifications and retailer prices

From £213 GBP
$285 USD
As of October 30, 2026
Save £102 GBP (32%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: £314 GBP at Loose Grown Diamond · As of October 30, 2026
View at Loose Grown Diamond

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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG834610112 or 834610112. Listed at 2 retailers as of October 30, 2026, with prices from £213 to £314, a £102 spread on the same certified stone. Loose Grown Diamond lists it at £314. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG834610112
Dimensions7.40 × 8.14 × 4.90 mm
L/W Ratio1.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.40 mm8.14 mm1.71 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG834610112
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 60.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 30
Current: £314 GBP|Low: £163 GBP|High: £855 GBP|Avg: £463 GBP|-21.9%
Loose Grown Diamond
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 28, 2026
Retailer 2£213 GBP
Loose Grown Diamond£314 GBP
Retailer 5£373 GBP
Retailer 3£450 GBP
Retailer 4£491 GBP
Retailer 6£855 GBP

18 data points across 6 retailers

2 retailers£213 GBP to £314 GBP

A
Cheapest Retailer
-
£213 GBP
$285 USD
Final sale: no returns
Most Expensive
B+
Loose Grown Diamond
834610112 · Oct 30
£314 GBP
$421 USD
View
1 more retailer has this diamond
Prices start from £213 GBPSave up to £102 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
£213 GBP