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Heart|Lab Grown|IGI

4.58ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG846662168

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG846662168

Diamond specifications and retailer prices

From $7,745 AUD
£4,284 GBP
As of November 1, 2026
Save $48,745 AUD (86%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $56,490 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.58ct lab-grown heart diamond

This 4.58ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846662168 or 846662168. Listed at 14 retailers as of October 31, 2026, with prices from $7,745 to $56,490, a $48,745 spread on the same certified stone. With Clarity lists it at $56,490. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.58
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG846662168
Dimensions10.32 × 11.15 × 6.74 mm
L/W Ratio1.08
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
10.32 mm11.15 mm4.58 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG846662168
Side View
Table 58.0%Crown 37.1°Girdle: THK-VTKPavilion 39.3°Culet: NoneDepth 60.4%

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: Nov 1
Current: $18,920 AUD|Low: $7,745 AUD|High: $56,490 AUD|Avg: $16,896 AUD|-0.1%
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
With Clarity
November 1, 2026
Retailer 6$7,745 AUD
Retailer 9$8,016 AUD
Retailer 11$8,389 AUD
Retailer 4$8,401 AUD
Retailer 2$9,303 AUD
Retailer 13$11,039 AUD
Retailer 12$11,251 AUD
Retailer 3$12,186 AUD
Retailer 10$14,358 AUD
Retailer 8$18,301 AUD
Retailer 1$18,920 AUD
Retailer 5$19,778 AUD
Retailer 7$26,778 AUD
With Clarity$56,490 AUD

11 data points across 14 retailers

14 retailers$7,745 AUD to $56,490 AUD

A
Cheapest Retailer
-
$7,745 AUD
£4,284 GBP
A
Retailer 2
-
$8,016 AUD
$5,631 USD
View
A
Retailer 3
-
$8,389 AUD
$5,893 USD
View
A
Retailer 4
-
$8,401 AUD
$5,901 USD
View
A
Retailer 5
-
$9,303 AUD
$6,535 USD
View
A
Retailer 6
-
$11,039 AUD
$7,754 USD
View
A
Retailer 7
-
$11,251 AUD
$7,903 USD
View
A
Retailer 8
-
$12,186 AUD
$8,560 USD
View
B+
Retailer 9
-
$14,358 AUD
$10,086 USD
View
B+
Retailer 10
-
$18,301 AUD
€12,243 EUR
View
B+
Retailer 11
-
$18,920 AUD
£10,465 GBP
View
B+
Retailer 12
-
$19,778 AUD
$13,893 USD
View
B+
Retailer 13
-
$26,778 AUD
$18,810 USD
View
Most Expensive
B
With Clarity
846662168 · Oct 31
$56,490 AUD
$39,681 USD
View
13 more retailers have this diamond
Prices start from $7,745 AUDSave up to $48,745 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
4.58ct Heart
$7,745 AUD