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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 $1,444 NZD
$814 USD
As of October 30, 2026
Save $8,048 NZD (85%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $9,493 NZD 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 $1,444 to $9,493, a $8,048 spread on the same certified stone. With Clarity lists it at $9,493. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $6,278 NZD|Low: $1,444 NZD|High: $10,823 NZD|Avg: $4,071 NZD|-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$1,444 NZD
Retailer 3$1,570 NZD
Retailer 17$1,675 NZD
Retailer 10$1,741 NZD
Retailer 8$1,863 NZD
Retailer 15$1,987 NZD
Retailer 5$2,117 NZD
Retailer 11$2,571 NZD
Retailer 16$2,700 NZD
Retailer 2$3,022 NZD
Retailer 14$3,079 NZD
Retailer 7$3,504 NZD
Retailer 18$4,709 NZD
Retailer 12$5,509 NZD
Retailer 4$5,797 NZD
Retailer 1$6,278 NZD
Retailer 9$6,634 NZD
Retailer 13$7,576 NZD
With Clarity$9,493 NZD

35 data points across 19 retailers

19 retailers$1,444 NZD to $9,493 NZD

A
Cheapest Retailer
-
$1,444 NZD
$814 USD
A
Retailer 2
-
$1,570 NZD
$885 USD
View
A
Retailer 3
-
$1,675 NZD
$944 USD
View
Retailer 4
-
$1,741 NZD
$981 USD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$1,863 NZD
$1,050 USD
View
Final sale: no returns
A
Retailer 6
-
$1,987 NZD
$1,120 USD
View
A
Retailer 7
-
$2,117 NZD
$1,193 USD
View
A
Retailer 8
-
$2,571 NZD
£1,141 GBP
View
B+
Retailer 9
-
$2,700 NZD
$1,522 USD
View
B+
Retailer 10
-
$3,022 NZD
$1,703 USD
View
B+
Retailer 11
-
$3,079 NZD
ZAR 28,032 ZAR
View
B+
Retailer 12
-
$3,504 NZD
$1,975 USD
View
B
Retailer 13
-
$4,709 NZD
$2,654 USD
View
B+
Retailer 14
-
$5,509 NZD
$3,105 USD
View
B
Retailer 15
-
$5,797 NZD
$3,267 USD
View
B+
Retailer 16
-
$6,278 NZD
£2,786 GBP
View
B
Retailer 17
-
$6,634 NZD
SGD 5,053 SGD
View
B
Retailer 18
-
$7,576 NZD
$4,270 USD
View
Most Expensive
B
With Clarity
818653771 · Oct 31
$9,493 NZD
$5,350 USD
View
18 more retailers have this diamond
Prices start from $1,444 NZDSave up to $8,048 NZD

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
$1,444 NZD