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Heart|Lab Grown|IGI

1.61ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG677533550

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG677533550

Diamond specifications and retailer prices

From $735 AUD
$516 USD
As of October 30, 2026
Save $5,928 AUD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $6,662 AUD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.61ct lab-grown heart diamond

This 1.61ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG677533550 or 677533550. Listed at 26 retailers as of October 30, 2026, with prices from $735 to $6,662, a $5,928 spread on the same certified stone. Brilliant Earth lists it at $6,662. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.61
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677533550
Dimensions7.51 × 8.01 × 4.61 mm
L/W Ratio1.07
Girdle conditionFaceted
Culet sizePointed
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
7.51 mm8.01 mm1.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677533550
Side View
Table 54.0%Crown 36.7°Girdle: MED-STKPavilion 39°Culet: NoneDepth 57.6%

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: Oct 30
Current: $6,662 AUD|Low: $706 AUD|High: $6,662 AUD|Avg: $2,224 AUD
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 5$735 AUD
Retailer 9$823 AUD
Retailer 7$911 AUD
Retailer 10$964 AUD
Retailer 17$1,110 AUD
Retailer 4$1,224 AUD
Retailer 12$1,329 AUD
Retailer 3$1,349 AUD
Retailer 11$1,413 AUD
Retailer 16$1,567 AUD
Retailer 14$2,003 AUD
Retailer 15$2,123 AUD
Retailer 8$2,397 AUD
Retailer 6$3,156 AUD
Retailer 2$3,806 AUD
Retailer 13$5,140 AUD
Brilliant Earth$6,662 AUD

35 data points across 17 retailers

26 retailers$735 AUD to $6,662 AUD

A
Cheapest Retailer
-
$735 AUD
$516 USD
A
Retailer 2
-
$823 AUD
$578 USD
View
Final sale: no returns
A
Retailer 3
-
$823 AUD
$578 USD
View
A
Retailer 4
-
$911 AUD
$640 USD
View
Retailer 5
-
$911 AUD
$640 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$964 AUD
£533 GBP
View
A
Retailer 7
-
$1,110 AUD
$780 USD
View
A
Retailer 8
-
$1,224 AUD
$860 USD
View
A
Retailer 9
-
$1,231 AUD
$865 USD
View
A
Retailer 10
-
$1,329 AUD
€889 EUR
View
A
Retailer 11
-
$1,349 AUD
View
A
Retailer 12
-
$1,413 AUD
£781 GBP
View
A
Retailer 13
-
$1,567 AUD
ZAR 17,781 ZAR
View
B+
Retailer 14
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$1,715 AUD
$1,205 USD
View
B+
Retailer 15
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$2,003 AUD
$1,407 USD
View
B+
Retailer 16
-
$2,123 AUD
View
B+
Retailer 17
-
$2,133 AUD
$1,498 USD
View
B+
Retailer 18
-
$2,397 AUD
$1,684 USD
View
B+
Retailer 19
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$2,965 AUD
$2,083 USD
View
B+
Retailer 20
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$2,994 AUD
$2,103 USD
View
B
Retailer 21
-
$3,137 AUD
$2,204 USD
View
B
Retailer 22
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$3,156 AUD
$2,217 USD
View
B
Retailer 23
-
$3,350 AUD
$2,353 USD
View
B+
Retailer 24
-
$3,806 AUD
£2,105 GBP
View
B
Retailer 25
-
$5,140 AUD
View
Most Expensive
B
Brilliant Earth
13232930A · Oct 31
$6,662 AUD
$4,680 USD
View
25 more retailers have this diamond
Prices start from $735 AUDSave up to $5,928 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
1.61ct Heart
$735 AUD