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Heart|Lab Grown|IGI

1.90ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818653771

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818653771

Diamond specifications and retailer prices

From $1,159 AUD
$814 USD
As of October 30, 2026
Save $6,457 AUD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $7,616 AUD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.9ct lab-grown heart diamond

This 1.9ct 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 LG818653771 or 818653771. Listed at 19 retailers as of October 30, 2026, with prices from $1,159 to $7,616, a $6,457 spread on the same certified stone. With Clarity lists it at $7,616. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.90
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.3°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818653771
Dimensions8.48 × 7.46 × 4.97 mm
L/W Ratio1.14
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
8.48 mm7.46 mm1.90 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818653771
Side View
Table 59.0%Crown 37.3°Girdle: MED-THKPavilion 37.6°Culet: NoneDepth 58.6%

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: $5,037 AUD|Low: $1,159 AUD|High: $8,684 AUD|Avg: $3,266 AUD|-13.9%
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
Retailer 18
With Clarity
November 1, 2026
Retailer 6$1,159 AUD
Retailer 3$1,260 AUD
Retailer 17$1,344 AUD
Retailer 10$1,397 AUD
Retailer 8$1,495 AUD
Retailer 15$1,594 AUD
Retailer 5$1,698 AUD
Retailer 11$2,063 AUD
Retailer 16$2,167 AUD
Retailer 2$2,424 AUD
Retailer 14$2,470 AUD
Retailer 7$2,812 AUD
Retailer 18$3,778 AUD
Retailer 12$4,420 AUD
Retailer 4$4,651 AUD
Retailer 1$5,037 AUD
Retailer 9$5,323 AUD
Retailer 13$6,079 AUD
With Clarity$7,616 AUD

35 data points across 19 retailers

19 retailers$1,159 AUD to $7,616 AUD

A
Cheapest Retailer
-
$1,159 AUD
$814 USD
A
Retailer 2
-
$1,260 AUD
$885 USD
View
A
Retailer 3
-
$1,344 AUD
$944 USD
View
Retailer 4
-
$1,397 AUD
$981 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,495 AUD
$1,050 USD
View
Final sale: no returns
A
Retailer 6
-
$1,594 AUD
$1,120 USD
View
A
Retailer 7
-
$1,698 AUD
$1,193 USD
View
A
Retailer 8
-
$2,063 AUD
£1,141 GBP
View
B+
Retailer 9
-
$2,167 AUD
$1,522 USD
View
B+
Retailer 10
-
$2,424 AUD
$1,703 USD
View
B+
Retailer 11
-
$2,470 AUD
ZAR 28,032 ZAR
View
B+
Retailer 12
-
$2,812 AUD
$1,975 USD
View
B
Retailer 13
-
$3,778 AUD
$2,654 USD
View
B+
Retailer 14
-
$4,420 AUD
$3,105 USD
View
B
Retailer 15
-
$4,651 AUD
$3,267 USD
View
B+
Retailer 16
-
$5,037 AUD
£2,786 GBP
View
B
Retailer 17
-
$5,323 AUD
SGD 5,053 SGD
View
B
Retailer 18
-
$6,079 AUD
$4,270 USD
View
Most Expensive
B
With Clarity
818653771 · Oct 31
$7,616 AUD
$5,350 USD
View
18 more retailers have this diamond
Prices start from $1,159 AUDSave up to $6,457 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
1.90ct Heart
$1,159 AUD