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Heart|Lab Grown|IGI

1.60ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG840634926

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG840634926

Diamond specifications and retailer prices

From $1,544 NZD
$870 USD
As of October 30, 2026
Save $6,327 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $7,871 NZD at With Clarity · As of October 31, 2026
View at With Clarity

About this 1.6ct lab-grown heart diamond

This 1.6ct 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 LG840634926 or 840634926. Listed at 15 retailers as of October 30, 2026, with prices from $1,544 to $7,871, a $6,327 spread on the same certified stone. With Clarity lists it at $7,871. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.60
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840634926
Dimensions8.11 × 7.33 × 4.53 mm
L/W Ratio1.11
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.11 mm7.33 mm1.60 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840634926
Side View
Table 61.0%Crown 34.3°Girdle: MED-THKPavilion 38°Culet: NoneDepth 55.9%

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: $1,594 NZD|Low: $1,544 NZD|High: $9,084 NZD|Avg: $3,960 NZD|-6.6%
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
With Clarity
November 1, 2026
Retailer 4$1,544 NZD
Retailer 1$1,594 NZD
Retailer 13$1,721 NZD
Retailer 2$2,218 NZD
Retailer 7$2,258 NZD
Retailer 12$2,294 NZD
Retailer 11$2,592 NZD
Retailer 8$2,621 NZD
Retailer 9$3,155 NZD
Retailer 5$4,647 NZD
Retailer 3$4,864 NZD
Retailer 6$5,541 NZD
Retailer 14$5,949 NZD
Retailer 10$6,813 NZD
With Clarity$7,871 NZD

17 data points across 15 retailers

15 retailers$1,544 NZD to $7,871 NZD

A
Cheapest Retailer
-
$1,544 NZD
$870 USD
Final sale: no returns
A
Retailer 2
-
$1,594 NZD
£707 GBP
View
A
Retailer 3
-
$1,721 NZD
$970 USD
View
B+
Retailer 4
-
$2,218 NZD
$1,250 USD
View
A
Retailer 5
-
$2,258 NZD
£1,002 GBP
View
B+
Retailer 6
-
$2,294 NZD
$1,293 USD
View
B+
Retailer 7
-
$2,592 NZD
ZAR 23,603 ZAR
View
B+
Retailer 8
-
$2,621 NZD
€1,407 EUR
View
B+
Retailer 9
-
$3,155 NZD
$1,778 USD
View
B+
Retailer 10
-
$4,647 NZD
$2,619 USD
View
B+
Retailer 11
-
$4,864 NZD
$2,741 USD
View
B
Retailer 12
-
$5,541 NZD
SGD 4,220 SGD
View
B
Retailer 13
-
$5,949 NZD
£2,640 GBP
View
B
Retailer 14
-
$6,813 NZD
$3,840 USD
View
Most Expensive
B
With Clarity
840634926 · Oct 31
$7,871 NZD
$4,436 USD
View
14 more retailers have this diamond
Prices start from $1,544 NZDSave up to $6,327 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
1.60ct Heart
$1,544 NZD