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Heart|Lab Grown|IGI

1.73ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG800676925

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG800676925

Diamond specifications and retailer prices

From $1,141 NZD
$643 USD
As of October 30, 2026
Save $8,990 NZD (89%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $10,131 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.73ct lab-grown heart diamond

This 1.73ct 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 LG800676925 or 800676925. Listed at 15 retailers as of October 30, 2026, with prices from $1,141 to $10,131, a $8,990 spread on the same certified stone. Do Amore Diamonds lists it at $10,131. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.73
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG800676925
Dimensions7.32 × 8.05 × 4.99 mm
L/W Ratio1.10
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
7.32 mm8.05 mm1.73 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG800676925
Side View
Table 57.0%Crown 35.4°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 62.0%

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: $10,131 NZD|Low: $1,141 NZD|High: $13,165 NZD|Avg: $3,613 NZD|-23.0%
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
November 1, 2026
Retailer 11$1,141 NZD
Retailer 4$1,240 NZD
Retailer 13$1,613 NZD
Retailer 8$1,651 NZD
Retailer 5$1,686 NZD
Retailer 7$1,842 NZD
Retailer 6$1,978 NZD
Retailer 12$2,159 NZD
Retailer 9$2,452 NZD
Retailer 15$3,054 NZD
Retailer 14$3,380 NZD
Retailer 3$4,106 NZD
Retailer 2$5,735 NZD
Retailer 10$7,221 NZD
Do Amore Diamonds$10,131 NZD

41 data points across 15 retailers

15 retailers$1,141 NZD to $10,131 NZD

A
Cheapest Retailer
-
$1,141 NZD
$643 USD
A
Retailer 2
-
$1,240 NZD
$699 USD
View
A
Retailer 3
-
$1,613 NZD
$909 USD
View
A
Retailer 4
-
$1,651 NZD
£733 GBP
View
A
Retailer 5
-
$1,686 NZD
$950 USD
View
A
Retailer 6
-
$1,842 NZD
$1,038 USD
View
Final sale: no returns
A
Retailer 7
-
$1,978 NZD
$1,115 USD
View
A
Retailer 8
-
$2,159 NZD
$1,217 USD
View
B+
Retailer 9
-
$2,452 NZD
€1,316 EUR
View
B+
Retailer 10
-
$3,054 NZD
A$2,648 AUD
View
B+
Retailer 11
-
$3,380 NZD
$1,905 USD
View
B
Retailer 12
-
$4,106 NZD
$2,314 USD
View
B+
Retailer 13
-
$5,735 NZD
£2,545 GBP
View
B
Retailer 14
-
$7,221 NZD
$4,070 USD
View
Most Expensive
B
Do Amore Diamonds
27-DBF8E8574 · Oct 31
$10,131 NZD
$5,710 USD
View
14 more retailers have this diamond
Prices start from $1,141 NZDSave up to $8,990 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
1.73ct Heart
$1,141 NZD