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Heart|Lab Grown|IGI

1.68ct D FL Heart Lab Grown Diamond

EX • D/FL • IGI LG818641476

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818641476

Diamond specifications and retailer prices

From $1,109 NZD
$625 USD
As of October 30, 2026
Save $8,738 NZD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,847 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.68ct lab-grown heart diamond

This 1.68ct 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 LG818641476 or 818641476. Listed at 11 retailers as of October 30, 2026, with prices from $1,109 to $9,847, a $8,738 spread on the same certified stone. Do Amore Diamonds lists it at $9,847. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.68
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818641476
Dimensions7.68 × 8.27 × 4.59 mm
L/W Ratio1.08
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
7.68 mm8.27 mm1.68 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818641476
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 55.5%

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: $9,847 NZD|Low: $1,109 NZD|High: $14,177 NZD|Avg: $4,645 NZD|-30.5%
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
November 1, 2026
Retailer 8$1,109 NZD
Retailer 12$1,242 NZD
Retailer 6$1,650 NZD
Retailer 3$1,877 NZD
Retailer 9$2,104 NZD
Retailer 5$2,381 NZD
Retailer 10$3,286 NZD
Retailer 11$3,992 NZD
Retailer 2$5,575 NZD
Retailer 7$6,991 NZD
Do Amore Diamonds$9,847 NZD
Retailer 4$10,351 NZD

26 data points across 12 retailers

11 retailers$1,109 NZD to $9,847 NZD

A
Cheapest Retailer
-
$1,109 NZD
$625 USD
A
Retailer 2
-
$1,242 NZD
$700 USD
View
A
Retailer 3
-
$1,650 NZD
$930 USD
View
A
Retailer 4
-
$1,877 NZD
$1,058 USD
View
A
Retailer 5
-
$2,104 NZD
$1,186 USD
View
B+
Retailer 6
-
$2,381 NZD
€1,278 EUR
View
B+
Retailer 7
-
$3,286 NZD
$1,852 USD
View
B
Retailer 8
-
$3,992 NZD
$2,250 USD
View
B
Retailer 9
-
$5,575 NZD
£2,474 GBP
View
B
Retailer 10
-
$6,991 NZD
$3,940 USD
View
Most Expensive
B
Do Amore Diamonds
27-16E4E631D · Oct 31
$9,847 NZD
$5,550 USD
View
10 more retailers have this diamond
Prices start from $1,109 NZDSave up to $8,738 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
1.68ct Heart
$1,109 NZD