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Heart|Lab Grown|IGI

1.51ct F VS1 Heart Lab Grown Diamond

ID • F/VS1 • IGI LG842609746

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG842609746

Diamond specifications and retailer prices

From $438 AUD
HK$2,400 HKD
As of November 1, 2026
Save $1,388 AUD (76%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,826 AUD at Brilliant Earth · As of November 1, 2026
View at Brilliant Earth

About this 1.51ct lab-grown heart diamond

This 1.51ct lab-grown heart sits in the one-and-a-half to two carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842609746 or 842609746. Listed at 14 retailers as of November 1, 2026, with prices from $438 to $1,826, a $1,388 spread on the same certified stone. Brilliant Earth lists it at $1,826. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle34.9°
Pavilion angle38.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842609746
Dimensions6.89 × 8.09 × 4.65 mm
L/W Ratio1.17
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.89 mm8.09 mm1.51 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG842609746
Side View
Table 59.0%Crown 34.9°Girdle: STK-THKPavilion 38.9°Culet: NoneDepth 57.5%

Caratlytics Score

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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: Nov 1
Current: $1,826 AUD|Low: $354 AUD|High: $1,841 AUD|Avg: $1,068 AUD|-0.8%
Brilliant Earth
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 2, 2026
Retailer 3$354 AUD
Retailer 6$438 AUD
Retailer 10$459 AUD
Retailer 12$664 AUD
Retailer 14$668 AUD
Retailer 9$707 AUD
Retailer 13$731 AUD
Retailer 8$1,020 AUD
Retailer 2$1,261 AUD
Retailer 4$1,337 AUD
Retailer 11$1,575 AUD
Retailer 7$1,587 AUD
Retailer 5$1,597 AUD
Retailer 15$1,802 AUD
Brilliant Earth$1,826 AUD

13 data points across 15 retailers

14 retailers$438 AUD to $1,826 AUD

A
Cheapest Retailer
-
$438 AUD
HK$2,400 HKD
Retailer 2
-
$459 AUD
£253 GBP
View
Price last confirmed 7 days ago
Retailer 3
-
$664 AUD
ZAR 7,513 ZAR
View
Price last confirmed 10 days ago
Retailer 4
-
$668 AUD
$468 USD
View
Price last confirmed 8 days ago
Retailer 5
-
$707 AUD
£390 GBP
View
Price last confirmed 7 days ago
Retailer 6
-
$731 AUD
$512 USD
View
Price last confirmed 7 days ago
B+
Retailer 7
-
$1,020 AUD
$715 USD
View
B+
Retailer 8
-
$1,261 AUD
SGD 1,194 SGD
View
Retailer 9
-
$1,337 AUD
$937 USD
View
Price last confirmed 7 days ago
B
Retailer 10
-
$1,575 AUD
£869 GBP
View
B
Retailer 11
-
$1,587 AUD
$1,112 USD
View
B
Retailer 12
-
$1,597 AUD
$1,119 USD
View
Price last confirmed 7 days ago
Retailer 13
-
$1,802 AUD
$1,263 USD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
21838812A · Nov 1
$1,826 AUD
$1,280 USD
View
13 more retailers have this diamond
Prices start from $438 AUDSave up to $1,388 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
1.51ct Heart
$438 AUD