CaratHunter
Plans
Heart|Lab Grown|IGI

1.71ct D FL Heart Lab Grown Diamond

ID • D/FL • IGI LG818683416

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG818683416

Diamond specifications and retailer prices

From $1,128 NZD
$636 USD
As of October 30, 2026
Save $8,879 NZD (89%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $10,007 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1.71ct lab-grown heart diamond

This 1.71ct 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 LG818683416 or 818683416. Listed at 14 retailers as of October 30, 2026, with prices from $1,128 to $10,007, a $8,879 spread on the same certified stone. Do Amore Diamonds lists it at $10,007. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.71
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818683416
Dimensions8.00 × 7.47 × 4.88 mm
L/W Ratio1.07
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
8.00 mm7.47 mm1.71 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818683416
Side View
Table 57.0%Crown 35°Girdle: STK-THKPavilion 41.3°Culet: NoneDepth 61.0%

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: $10,007 NZD|Low: $1,128 NZD|High: $14,425 NZD|Avg: $4,401 NZD|-30.6%
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 10$1,128 NZD
Retailer 3$1,228 NZD
Retailer 13$1,597 NZD
Retailer 5$1,668 NZD
Retailer 6$1,936 NZD
Retailer 12$2,140 NZD
Retailer 8$2,424 NZD
Retailer 4$2,571 NZD
Retailer 14$3,341 NZD
Retailer 15$4,060 NZD
Retailer 2$5,672 NZD
Retailer 11$5,979 NZD
Retailer 9$7,133 NZD
Retailer 7$8,481 NZD
Do Amore Diamonds$10,007 NZD

25 data points across 15 retailers

14 retailers$1,128 NZD to $10,007 NZD

A
Cheapest Retailer
-
$1,128 NZD
$636 USD
A
Retailer 2
-
$1,228 NZD
$692 USD
View
A
Retailer 3
-
$1,597 NZD
$900 USD
View
A
Retailer 4
-
$1,668 NZD
$940 USD
View
A
Retailer 5
-
$1,936 NZD
$1,091 USD
View
A
Retailer 6
-
$2,140 NZD
$1,206 USD
View
B+
Retailer 7
-
$2,424 NZD
€1,301 EUR
View
Retailer 8
-
$2,571 NZD
$1,449 USD
View
Price last confirmed 9 days ago
B+
Retailer 9
-
$3,341 NZD
$1,883 USD
View
B
Retailer 10
-
$4,060 NZD
$2,288 USD
View
B+
Retailer 11
-
$5,672 NZD
£2,517 GBP
View
B
Retailer 12
-
$5,979 NZD
$3,370 USD
View
B
Retailer 13
-
$7,133 NZD
$4,020 USD
View
Most Expensive
B
Do Amore Diamonds
27-080828369 · Oct 31
$10,007 NZD
$5,640 USD
View
13 more retailers have this diamond
Prices start from $1,128 NZDSave up to $8,879 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
1.71ct Heart
$1,128 NZD