CaratHunter
Plans
Heart|Lab Grown|IGI

1.84ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840632412

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840632412

Diamond specifications and retailer prices

From £589 GBP
$789 USD
As of October 30, 2026
Save £3,278 GBP (85%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £3,867 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.84ct lab-grown heart diamond

This 1.84ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG840632412 or 840632412. Listed at 20 retailers as of October 30, 2026, with prices from £589 to £3,867, a £3,278 spread on the same certified stone. With Clarity lists it at £3,867. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.84
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.7°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840632412
Dimensions7.42 × 8.42 × 4.92 mm
L/W Ratio1.13
Girdle conditionFaceted
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
7.42 mm8.42 mm1.84 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840632412
Side View
Table 57.0%Crown 37.7°Girdle: STK-THKPavilion 37.8°Culet: NoneDepth 58.4%

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: £1,480 GBP|Low: £589 GBP|High: £4,411 GBP|Avg: £1,676 GBP|-9.2%
Retailer 1
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
Retailer 17
Retailer 18
Retailer 19
With Clarity
October 31, 2026
Retailer 8£589 GBP
Retailer 5£640 GBP
Retailer 19£683 GBP
Retailer 9£710 GBP
Retailer 10£759 GBP
Retailer 13£774 GBP
Retailer 2£813 GBP
Retailer 7£868 GBP
Retailer 14£1,045 GBP
Retailer 18£1,102 GBP
Retailer 4£1,199 GBP
Retailer 16£1,256 GBP
Retailer 1£1,480 GBP
Retailer 3£1,920 GBP
Retailer 17£2,244 GBP
Retailer 6£2,361 GBP
Retailer 15£2,574 GBP
Retailer 11£2,704 GBP
Retailer 12£3,261 GBP
With Clarity£3,867 GBP

18 data points across 20 retailers

20 retailers£589 GBP to £3,867 GBP

A
Cheapest Retailer
-
£589 GBP
$789 USD
A
Retailer 2
-
£640 GBP
$858 USD
View
A
Retailer 3
-
£683 GBP
$915 USD
View
Retailer 4
-
£710 GBP
$951 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
£759 GBP
$1,017 USD
View
Final sale: no returns
A
Retailer 6
-
£774 GBP
View
A
Retailer 7
-
£813 GBP
$1,090 USD
View
A
Retailer 8
-
£868 GBP
$1,163 USD
View
A
Retailer 9
-
£1,045 GBP
View
B+
Retailer 10
-
£1,102 GBP
$1,477 USD
View
B+
Retailer 11
-
£1,199 GBP
$1,607 USD
View
B+
Retailer 12
-
£1,256 GBP
ZAR 27,177 ZAR
View
B+
Retailer 13
-
£1,480 GBP
$1,983 USD
View
B+
Retailer 14
-
£1,920 GBP
$2,573 USD
View
B+
Retailer 15
-
£2,244 GBP
$3,007 USD
View
B
Retailer 16
-
£2,361 GBP
$3,164 USD
View
B+
Retailer 17
-
£2,574 GBP
View
B
Retailer 18
-
£2,704 GBP
SGD 4,896 SGD
View
B
Retailer 19
-
£3,261 GBP
$4,370 USD
View
Most Expensive
B
With Clarity
840632412 · Oct 31
£3,867 GBP
$5,181 USD
View
19 more retailers have this diamond
Prices start from £589 GBPSave up to £3,278 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
1.84ct Heart
£589 GBP