Heart|Lab Grown|IGI

1.86ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG845669335

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG845669335

Diamond specifications and retailer prices

From £258 GBP
HK$2,700 HKD
As of November 1, 2026
Save £691 GBP (73%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £1,015 GBP at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.86ct lab-grown heart diamond

This 1.86ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG845669335 or 845669335. Listed at 20 retailers as of November 1, 2026, with a 268% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.6°
Pavilion angle41.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845669335
Dimensions8.00 × 8.28 × 5.00 mm
L/W Ratio1.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.00 mm8.28 mm1.86 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG845669335
Side View
Table 62.0%Crown 34.6°Girdle: MediumPavilion 41.8°Culet: NoneDepth 60.4%

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: Nov 1
Current: £589 GBP|Low: £189 GBP|High: £1,015 GBP|Avg: £539 GBP|-17.8%
Retailer 1
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Retailer 20
Reve Diamonds
November 2, 2026
Retailer 4£189 GBP
Retailer 10£211 GBP
Retailer 2£218 GBP
Retailer 19£233 GBP
Retailer 6£258 GBP
Retailer 17£274 GBP
Retailer 16£350 GBP
Retailer 12£368 GBP
Retailer 13£390 GBP
Retailer 5£395 GBP
Retailer 9£440 GBP
Retailer 18£442 GBP
Retailer 3£552 GBP
Retailer 1£589 GBP
Retailer 14£745 GBP
Retailer 8£750 GBP
Retailer 11£789 GBP
Retailer 7£919 GBP
Retailer 20£937 GBP
Retailer 15£949 GBP
Reve Diamonds£1,015 GBP

12 data points across 21 retailers

20 retailers£258 GBP to £949 GBP

Retailer 1
-
£189 GBP
$253 USD
Price last confirmed 10 days ago
Retailer 2
-
£218 GBP
$293 USD
View
Price last confirmed 9 days ago
Retailer 3
-
£233 GBP
$313 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
£258 GBP
HK$2,700 HKD
View
A
Retailer 5
-
£274 GBP
View
Retailer 6
-
£350 GBP
$470 USD
View
Price last confirmed 5 days ago
A
Retailer 7
-
£368 GBP
€470 EUR
View
Retailer 8
-
£390 GBP
$524 USD
View
Price last confirmed 7 days ago
Retailer 9
-
£395 GBP
ZAR 8,559 ZAR
View
Price last confirmed 10 days ago
Retailer 10
-
£440 GBP
$591 USD
View
Price last confirmed 7 days ago
A
Retailer 11
-
£442 GBP
View
B+
Retailer 12
-
£552 GBP
$741 USD
View
B+
Retailer 13
-
£589 GBP
$791 USD
View
B+
Retailer 14
-
£745 GBP
SGD 1,351 SGD
View
Retailer 15
-
£750 GBP
$1,007 USD
View
Price last confirmed 8 days ago
B+
Retailer 16
-
£789 GBP
$1,059 USD
View
Retailer 17
-
£919 GBP
$1,233 USD
View
Price last confirmed 7 days ago
B
Retailer 18
-
£937 GBP
View
B
Retailer 19
-
£949 GBP
$1,273 USD
View
Most Expensive
Reve Diamonds
4EA03A0FD · Oct 25
£1,015 GBP
$1,362 USD
View
Price last confirmed 8 days ago
19 more retailers have this diamond
Prices start from £258 GBPSave up to £691 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
1.86ct Heart
£258 GBP