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Heart|Lab Grown|IGI

1.71ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818683416

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818683416

Diamond specifications and retailer prices

From $905 AUD
$636 USD
As of October 30, 2026
Save $7,124 AUD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,029 AUD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown heart diamond

This 1.71ct lab-grown heart sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818683416 or 818683416. Listed at 14 retailers as of October 30, 2026, with prices from $905 to $8,029, a $7,124 spread on the same certified stone. Do Amore Diamonds lists it at $8,029. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683416
Dimensions8.00 × 7.47 × 4.88 mm
L/W Ratio1.07
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
8.00 mm7.47 mm1.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683416
Side View
Table 57.0%Crown 35°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 61.0%

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 30
Current: $8,029 AUD|Low: $905 AUD|High: $11,574 AUD|Avg: $3,531 AUD|-30.6%
Do Amore Diamonds
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 1, 2026
Retailer 10$905 AUD
Retailer 3$985 AUD
Retailer 13$1,281 AUD
Retailer 5$1,338 AUD
Retailer 6$1,553 AUD
Retailer 12$1,717 AUD
Retailer 8$1,945 AUD
Retailer 4$2,063 AUD
Retailer 14$2,681 AUD
Retailer 15$3,257 AUD
Retailer 2$4,551 AUD
Retailer 11$4,798 AUD
Retailer 9$5,723 AUD
Retailer 7$6,805 AUD
Do Amore Diamonds$8,029 AUD

25 data points across 15 retailers

14 retailers$905 AUD to $8,029 AUD

A
Cheapest Retailer
-
$905 AUD
$636 USD
A
Retailer 2
-
$985 AUD
$692 USD
View
A
Retailer 3
-
$1,281 AUD
$900 USD
View
A
Retailer 4
-
$1,338 AUD
$940 USD
View
A
Retailer 5
-
$1,553 AUD
$1,091 USD
View
A
Retailer 6
-
$1,717 AUD
$1,206 USD
View
B+
Retailer 7
-
$1,945 AUD
€1,301 EUR
View
Retailer 8
-
$2,063 AUD
$1,449 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$2,681 AUD
$1,883 USD
View
B
Retailer 10
-
$3,257 AUD
$2,288 USD
View
B+
Retailer 11
-
$4,551 AUD
£2,517 GBP
View
B
Retailer 12
-
$4,798 AUD
$3,370 USD
View
B
Retailer 13
-
$5,723 AUD
$4,020 USD
View
Most Expensive
B
Do Amore Diamonds
27-080828369 · Oct 31
$8,029 AUD
$5,640 USD
View
13 more retailers have this diamond
Prices start from $905 AUDSave up to $7,124 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
1.71ct Heart
$905 AUD