CaratHunter
Plans
Heart|Lab Grown|IGI

4.52ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG817695375

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG817695375

Diamond specifications and retailer prices

From $7,651 AUD
£4,232 GBP
As of November 1, 2026
Save $47,542 AUD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $55,193 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.52ct lab-grown heart diamond

This 4.52ct 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 LG817695375 or 817695375. Listed at 21 retailers as of October 31, 2026, with prices from $7,651 to $55,193, a $47,542 spread on the same certified stone. With Clarity lists it at $55,193. 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

4.52
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817695375
Dimensions10.24 × 11.52 × 6.48 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
10.24 mm11.52 mm4.52 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817695375
Side View
Table 59.0%Crown 35.6°Girdle: MED-STKPavilion 37.7°Culet: NoneDepth 56.3%

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: $10,829 AUD|Low: $7,648 AUD|High: $55,750 AUD|Avg: $17,201 AUD|-8.8%
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
November 1, 2026
Retailer 13$7,651 AUD
Retailer 6$7,918 AUD
Retailer 19$8,298 AUD
Retailer 4$8,418 AUD
Retailer 8$9,185 AUD
Retailer 9$9,185 AUD
Retailer 3$9,189 AUD
Retailer 18$10,389 AUD
Retailer 1$10,829 AUD
Retailer 10$10,903 AUD
Retailer 5$11,433 AUD
Retailer 14$11,695 AUD
Retailer 7$14,185 AUD
Retailer 12$18,691 AUD
Retailer 15$19,324 AUD
Retailer 17$19,550 AUD
Retailer 16$25,084 AUD
Retailer 11$32,450 AUD
Retailer 2$37,791 AUD
With Clarity$55,750 AUD

30 data points across 20 retailers

21 retailers$7,651 AUD to $55,193 AUD

A
Cheapest Retailer
-
$7,651 AUD
£4,232 GBP
A
Retailer 2
-
$7,918 AUD
$5,562 USD
View
A
Retailer 3
-
$8,298 AUD
$5,829 USD
View
A
Retailer 4
-
$8,418 AUD
$5,913 USD
View
A
Retailer 5
-
$9,185 AUD
$6,452 USD
View
Retailer 6
-
$9,185 AUD
$6,452 USD
View
Price last confirmed 16 days ago
A
Retailer 7
-
$9,189 AUD
$6,455 USD
View
A
Retailer 8
-
$10,389 AUD
$7,298 USD
View
A
Retailer 9
-
$10,829 AUD
$7,607 USD
View
Final sale: no returns
A
Retailer 10
-
$10,903 AUD
$7,659 USD
View
A
Retailer 11
-
$11,433 AUD
$8,031 USD
View
A
Retailer 12
-
$11,695 AUD
£6,468 GBP
View
B+
Retailer 13
-
$14,185 AUD
$9,964 USD
View
B+
Retailer 14
-
$17,533 AUD
$12,316 USD
View
B+
Retailer 15
-
$18,691 AUD
£10,338 GBP
View
B+
Retailer 16
-
$19,324 AUD
$13,574 USD
View
B+
Retailer 17
-
$19,550 AUD
ZAR 221,850 ZAR
View
B+
Retailer 18
-
$25,084 AUD
$17,620 USD
View
B
Retailer 19
-
$32,450 AUD
$22,794 USD
View
B
Retailer 20
-
$37,791 AUD
SGD 35,873 SGD
View
Most Expensive
B
With Clarity
817695375 · Oct 31
$55,193 AUD
$38,770 USD
View
20 more retailers have this diamond
Prices start from $7,651 AUDSave up to $47,542 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
4.52ct Heart
$7,651 AUD