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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG813621316

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG813621316

Diamond specifications and retailer prices

From $419 NZD
$236 USD
As of October 30, 2026
Save $3,609 NZD (90%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $4,028 NZD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 1ct lab-grown heart diamond

This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG813621316 or 813621316. Listed at 17 retailers as of October 30, 2026, with prices from $419 to $4,028, a $3,609 spread on the same certified stone. Do Amore Diamonds lists it at $4,028. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.00
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle38.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG813621316
Dimensions6.82 × 6.53 × 3.97 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
6.82 mm6.53 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG813621316
Side View
Table 57.0%Crown 34.8°Girdle: MED-STKPavilion 38.2°Culet: NoneDepth 58.2%

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: $4,028 NZD|Low: $403 NZD|High: $4,028 NZD|Avg: $1,473 NZD
Do Amore Diamonds
Retailer 2
Retailer 3
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Retailer 12
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Retailer 20
October 31, 2026
Retailer 16$419 NZD
Retailer 18$486 NZD
Retailer 13$592 NZD
Retailer 3$685 NZD
Retailer 8$696 NZD
Retailer 17$781 NZD
Retailer 2$911 NZD
Retailer 10$987 NZD
Retailer 6$1,134 NZD
Retailer 7$1,202 NZD
Retailer 14$1,394 NZD
Retailer 5$1,653 NZD
Retailer 20$1,675 NZD
Retailer 12$1,838 NZD
Retailer 19$1,842 NZD
Retailer 11$1,861 NZD
Retailer 9$2,186 NZD
Retailer 15$2,301 NZD
Retailer 4$2,499 NZD
Do Amore Diamonds$4,028 NZD

26 data points across 20 retailers

17 retailers$419 NZD to $4,028 NZD

A
Cheapest Retailer
-
$419 NZD
$236 USD
A
Retailer 2
-
$486 NZD
$274 USD
View
A
Retailer 3
-
$592 NZD
£263 GBP
View
A
Retailer 4
-
$685 NZD
$386 USD
View
A
Retailer 5
-
$696 NZD
$392 USD
View
Retailer 6
-
$781 NZD
$440 USD
View
Price last confirmed 10 days ago
A
Retailer 7
-
$911 NZD
€489 EUR
View
Retailer 8
-
$1,134 NZD
$639 USD
View
Price last confirmed 18 days ago
B+
Retailer 9
-
$1,202 NZD
$678 USD
View
B+
Retailer 10
-
$1,394 NZD
A$1,209 AUD
View
B+
Retailer 11
-
$1,653 NZD
CA$1,294 CAD
View
B
Retailer 12
-
$1,675 NZD
$944 USD
View
B+
Retailer 13
-
$1,842 NZD
$1,038 USD
View
B
Retailer 14
-
$2,186 NZD
$1,232 USD
View
B+
Retailer 15
-
$2,301 NZD
£1,021 GBP
View
Retailer 16
-
$2,499 NZD
A$2,167 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
Do Amore Diamonds
27-244A27C97 · Oct 31
$4,028 NZD
$2,270 USD
View
16 more retailers have this diamond
Prices start from $419 NZDSave up to $3,609 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
1.00ct Heart
$419 NZD