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Heart|Lab Grown|IGI

1.61ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG811639518

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG811639518

Diamond specifications and retailer prices

From $1,107 NZD
$624 USD
As of October 30, 2026
Save $8,722 NZD (89%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $9,830 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG811639518 or 811639518. Listed at 12 retailers as of October 30, 2026, with prices from $1,107 to $9,830, a $8,722 spread on the same certified stone. Do Amore Diamonds lists it at $9,830. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811639518
Dimensions7.86 × 7.56 × 4.57 mm
L/W Ratio1.04
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
7.86 mm7.56 mm1.61 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811639518
Side View
Table 56.0%Crown 34.5°Girdle: STK-THKPavilion 38.3°Culet: NoneDepth 58.1%

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: $9,830 NZD|Low: $1,107 NZD|High: $10,291 NZD|Avg: $3,784 NZD|-4.5%
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
Retailer 16
Retailer 17
November 1, 2026
Retailer 3$1,107 NZD
Retailer 7$1,152 NZD
Retailer 13$1,240 NZD
Retailer 6$1,244 NZD
Retailer 2$1,603 NZD
Retailer 17$1,769 NZD
Retailer 4$2,101 NZD
Retailer 11$2,103 NZD
Retailer 5$2,770 NZD
Retailer 16$3,176 NZD
Retailer 8$3,260 NZD
Retailer 15$3,987 NZD
Retailer 12$5,577 NZD
Retailer 14$6,469 NZD
Retailer 10$6,689 NZD
Retailer 9$7,051 NZD
Do Amore Diamonds$9,830 NZD

23 data points across 17 retailers

12 retailers$1,107 NZD to $9,830 NZD

A
Cheapest Retailer
-
$1,107 NZD
$624 USD
A
Retailer 2
-
$1,240 NZD
$699 USD
View
A
Retailer 3
-
$1,603 NZD
£711 GBP
View
A
Retailer 4
-
$1,769 NZD
$997 USD
View
A
Retailer 5
-
$2,101 NZD
$1,184 USD
View
B+
Retailer 6
-
$2,103 NZD
$1,185 USD
View
B+
Retailer 7
-
$3,176 NZD
$1,790 USD
View
B+
Retailer 8
-
$3,987 NZD
$2,247 USD
View
B+
Retailer 9
-
$5,577 NZD
£2,475 GBP
View
B
Retailer 10
-
$6,469 NZD
$3,646 USD
View
B
Retailer 11
-
$6,689 NZD
$3,770 USD
View
Most Expensive
B
Do Amore Diamonds
27-5ACCC7C9F · Oct 31
$9,830 NZD
$5,540 USD
View
11 more retailers have this diamond
Prices start from $1,107 NZDSave up to $8,722 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
1.61ct Heart
$1,107 NZD