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Heart|Lab Grown|IGI

1.61ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846663214

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846663214

Diamond specifications and retailer prices

From $1,236 AUD
£684 GBP
As of November 1, 2026
Save $4,686 AUD (79%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,922 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown heart diamond

This 1.61ct 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 LG846663214 or 846663214. Listed at 5 retailers as of October 31, 2026, with prices from $1,236 to $5,922, a $4,686 spread on the same certified stone. Brilliant Earth lists it at $5,922. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846663214
Dimensions7.88 × 7.43 × 4.80 mm
L/W Ratio1.06
Girdle conditionFaceted
Cert comments
HEARTS & ARROWS 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
7.88 mm7.43 mm1.61 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846663214
Side View
Table 58.0%Crown 34.7°Girdle: MED-THKPavilion 41.1°Culet: NoneDepth 60.9%

Caratlytics Score

How it works →
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: $5,922 AUD|Low: $1,236 AUD|High: $7,332 AUD|Avg: $3,296 AUD|-19.2%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 1, 2026
Retailer 2$1,236 AUD
Retailer 4$1,784 AUD
Retailer 3$2,147 AUD
Retailer 5$2,793 AUD
Brilliant Earth$5,922 AUD

7 data points across 5 retailers

5 retailers$1,236 AUD to $5,922 AUD

A
Cheapest Retailer
-
$1,236 AUD
£684 GBP
B+
Retailer 2
-
$1,784 AUD
$1,253 USD
View
B+
Retailer 3
-
$2,147 AUD
€1,436 EUR
View
B+
Retailer 4
-
$2,793 AUD
$1,962 USD
View
Most Expensive
B
Brilliant Earth
22305431A · Oct 31
$5,922 AUD
$4,160 USD
View
4 more retailers have this diamond
Prices start from $1,236 AUDSave up to $4,686 AUD

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
1.61ct Heart
$1,236 AUD