Heart|Lab Grown|IGI

5.15ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG804665301

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG804665301

Diamond specifications and retailer prices

From $14,358 AUD
$10,086 USD
As of October 30, 2026
Save $50,145 AUD (78%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $64,503 AUD at Do Amore Diamonds · As of October 30, 2026
View at Do Amore Diamonds

About this 5.15ct lab-grown heart diamond

This 5.15ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804665301 or 804665301. Listed at 12 retailers as of October 30, 2026, with prices from $14,358 to $64,503, a $50,145 spread on the same certified stone. Do Amore Diamonds lists it at $64,503. 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

5.15
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.6°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665301
Dimensions11.48 × 10.31 × 7.12 mm
L/W Ratio1.11
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
11.48 mm10.31 mm5.15 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665301
Side View
Table 61.0%Crown 36.6°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 62.0%

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: Oct 30
Current: $64,503 AUD|Low: $14,358 AUD|High: $71,465 AUD|Avg: $27,207 AUD|-7.7%
Do Amore Diamonds
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
November 1, 2026
Retailer 12$14,358 AUD
Retailer 8$14,393 AUD
Retailer 10$14,672 AUD
Retailer 3$14,975 AUD
Retailer 9$16,457 AUD
Retailer 2$17,231 AUD
Retailer 14$17,828 AUD
Retailer 15$17,999 AUD
Retailer 4$18,342 AUD
Retailer 11$28,330 AUD
Retailer 13$28,452 AUD
Retailer 5$34,856 AUD
Retailer 6$37,662 AUD
Retailer 7$38,013 AUD
Do Amore Diamonds$64,503 AUD

29 data points across 15 retailers

12 retailers$14,358 AUD to $64,503 AUD

A
Cheapest Retailer
-
$14,358 AUD
$10,086 USD
A
Retailer 2
-
$14,393 AUD
$10,110 USD
View
A
Retailer 3
-
$14,672 AUD
$10,306 USD
View
A
Retailer 4
-
$14,975 AUD
$10,519 USD
View
A
Retailer 5
-
$16,457 AUD
$11,560 USD
View
A
Retailer 6
-
$17,231 AUD
$12,104 USD
View
A
Retailer 7
-
$17,828 AUD
$12,523 USD
View
A
Retailer 8
-
$17,999 AUD
$12,643 USD
View
A
Retailer 9
-
$18,342 AUD
$12,884 USD
View
Final sale: no returns
A
Retailer 10
-
$28,330 AUD
$19,900 USD
View
A
Retailer 11
-
$28,452 AUD
£15,737 GBP
View
Most Expensive
B
Do Amore Diamonds
27-C16B1AC23 · Oct 30
$64,503 AUD
$45,310 USD
View
11 more retailers have this diamond
Prices start from $14,358 AUDSave up to $50,145 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
5.15ct Heart
$14,358 AUD