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 $1,193 USD
As of October 29, 2026
Save $3,003 USD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,315 USD 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
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG726523590
Dimensions11.86 × 11.86 × 11.26 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.86 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,342 USD|Low: $1,023 USD|High: $5,005 USD|Avg: $2,352 USD|-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$1,023 USD
Retailer 5$1,159 USD
Retailer 4$1,193 USD
Retailer 6$1,236 USD
Retailer 15$1,236 USD
Retailer 1$1,342 USD
Retailer 14$1,380 USD
Retailer 7$1,652 USD
Retailer 13$1,846 USD
Retailer 3$1,968 USD
Retailer 12$2,502 USD
Retailer 16$2,506 USD
Retailer 10$2,510 USD
Retailer 8$2,609 USD
Retailer 2$3,578 USD
Retailer 11$4,196 USD
Taylor and Hart$4,315 USD
Retailer 9$5,005 USD

38 data points across 18 retailers

16 retailers$1,193 USD to $4,196 USD

Retailer 1
-
$1,023 USD
Price last confirmed 28 days ago
Retailer 2
-
$1,159 USD
View
Price last confirmed 31 days ago
A
Retailer 3
-
$1,193 USD
View
Final sale: no returns
Retailer 4
-
$1,236 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$1,342 USD
£1,057 GBP
View
A
Retailer 6
-
$1,380 USD
View
Retailer 7
-
$1,846 USD
£1,453 GBP
View
Price last confirmed 14 days ago
B+
Retailer 8
-
$1,968 USD
View
Retailer 9
-
$2,316 USD
View
Price last confirmed 29 days ago
Retailer 10
-
$2,502 USD
A$3,849 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$2,506 USD
View
B+
Retailer 12
-
$2,510 USD
ZAR 40,554 ZAR
View
B+
Retailer 13
-
$2,609 USD
View
B
Retailer 14
-
$3,578 USD
View
B
Retailer 15
-
$4,196 USD
£3,304 GBP
View
Most Expensive
Taylor and Hart
GJTTPOZ · Oct 15
$4,315 USD
View
Price last confirmed 15 days ago
15 more retailers have this diamond
Prices start from $1,193 USDSave up to $3,003 USD

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
$1,193 USD