Heart|Lab Grown|IGI

5.09ct D VS1 Heart Lab Grown Diamond

EX • D/VS1 • IGI LG726523590

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG726523590

Diamond specifications and retailer prices

From $1,698 AUD
$1,193 USD
As of October 29, 2026
Save $4,275 AUD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,143 AUD at Taylor and Hart · As of October 15, 2026
View at Taylor and Hart

About this 5.09ct lab-grown heart diamond

This 5.09ct lab-grown heart sits in the over five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG726523590 or 726523590. Listed at 16 retailers as of October 27, 2026, with a 252% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

5.09
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726523590
Dimensions11.26 × 11.86 × 6.82 mm
L/W Ratio1.05
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.26 mm11.86 mm5.09 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG726523590
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 57.5%

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 29
Current: $1,910 AUD|Low: $1,456 AUD|High: $7,125 AUD|Avg: $3,348 AUD|-0.6%
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
Taylor and Hart
October 30, 2026
Retailer 17$1,456 AUD
Retailer 5$1,650 AUD
Retailer 4$1,698 AUD
Retailer 6$1,760 AUD
Retailer 15$1,760 AUD
Retailer 1$1,910 AUD
Retailer 14$1,965 AUD
Retailer 7$2,352 AUD
Retailer 13$2,627 AUD
Retailer 3$2,802 AUD
Retailer 12$3,562 AUD
Retailer 16$3,568 AUD
Retailer 10$3,574 AUD
Retailer 8$3,714 AUD
Retailer 2$5,094 AUD
Retailer 11$5,974 AUD
Taylor and Hart$6,143 AUD
Retailer 9$7,125 AUD

38 data points across 18 retailers

16 retailers$1,698 AUD to $5,974 AUD

Retailer 1
-
$1,456 AUD
$1,023 USD
Price last confirmed 29 days ago
Retailer 2
-
$1,650 AUD
$1,159 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
$1,698 AUD
$1,193 USD
View
Final sale: no returns
Retailer 4
-
$1,760 AUD
$1,236 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$1,910 AUD
£1,057 GBP
View
A
Retailer 6
-
$1,965 AUD
$1,380 USD
View
Retailer 7
-
$2,627 AUD
£1,453 GBP
View
Price last confirmed 15 days ago
B+
Retailer 8
-
$2,802 AUD
$1,968 USD
View
Retailer 9
-
$3,297 AUD
$2,316 USD
View
Price last confirmed 30 days ago
Retailer 10
-
$3,562 AUD
View
Price last confirmed 10 days ago
B+
Retailer 11
-
$3,568 AUD
$2,506 USD
View
B+
Retailer 12
-
$3,574 AUD
ZAR 40,554 ZAR
View
B+
Retailer 13
-
$3,714 AUD
$2,609 USD
View
B
Retailer 14
-
$5,094 AUD
$3,578 USD
View
B
Retailer 15
-
$5,974 AUD
£3,304 GBP
View
Most Expensive
Taylor and Hart
GJTTPOZ · Oct 15
$6,143 AUD
$4,315 USD
View
Price last confirmed 16 days ago
15 more retailers have this diamond
Prices start from $1,698 AUDSave up to $4,275 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
5.09ct Heart
$1,698 AUD