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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG776689632

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG776689632

Diamond specifications and retailer prices

From $422 NZD
$238 USD
As of October 30, 2026
Save $3,623 NZD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $4,045 NZD at Do Amore Diamonds · As of October 30, 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 LG776689632 or 776689632. Listed at 19 retailers as of October 30, 2026, with prices from $422 to $4,045, a $3,623 spread on the same certified stone. Do Amore Diamonds lists it at $4,045. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.7°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG776689632
Dimensions6.18 × 7.10 × 4.00 mm
L/W Ratio1.15
Girdle conditionFaceted
Culet sizePointed
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
6.18 mm7.10 mm1.00 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG776689632
Side View
Table 59.0%Crown 31.7°Girdle: MED-STKPavilion 40°Culet: NoneDepth 56.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,045 NZD|Low: $325 NZD|High: $4,045 NZD|Avg: $1,325 NZD|+3.2%
Do Amore Diamonds
Retailer 2
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Retailer 20
October 31, 2026
Retailer 19$422 NZD
Retailer 8$472 NZD
Retailer 18$490 NZD
Retailer 5$523 NZD
Retailer 20$523 NZD
Retailer 12$754 NZD
Retailer 6$761 NZD
Retailer 16$772 NZD
Retailer 10$882 NZD
Retailer 3$933 NZD
Retailer 14$992 NZD
Retailer 2$1,105 NZD
Retailer 15$1,406 NZD
Retailer 17$1,687 NZD
Retailer 9$1,849 NZD
Retailer 11$1,856 NZD
Retailer 7$2,156 NZD
Retailer 13$2,328 NZD
Retailer 4$2,329 NZD
Do Amore Diamonds$4,045 NZD

44 data points across 20 retailers

19 retailers$422 NZD to $4,045 NZD

A
Cheapest Retailer
-
$422 NZD
$238 USD
A
Retailer 2
-
$472 NZD
$266 USD
View
Final sale: no returns
A
Retailer 3
-
$490 NZD
$276 USD
View
A
Retailer 4
-
$523 NZD
$295 USD
View
A
Retailer 5
-
$523 NZD
$295 USD
View
A
Retailer 6
-
$761 NZD
$429 USD
View
A
Retailer 7
-
$772 NZD
HK$3,400 HKD
View
A
Retailer 8
-
$882 NZD
$497 USD
View
A
Retailer 9
-
$933 NZD
$526 USD
View
B+
Retailer 10
-
$992 NZD
ZAR 9,034 ZAR
View
B+
Retailer 11
-
$1,105 NZD
£490 GBP
View
B+
Retailer 12
-
$1,406 NZD
A$1,219 AUD
View
B
Retailer 13
-
$1,687 NZD
$951 USD
View
B
Retailer 14
-
$1,849 NZD
SGD 1,408 SGD
View
B
Retailer 15
-
$1,856 NZD
$1,046 USD
View
B
Retailer 16
-
$2,156 NZD
$1,215 USD
View
B
Retailer 17
-
$2,328 NZD
£1,033 GBP
View
B
Retailer 18
-
$2,329 NZD
$1,313 USD
View
Most Expensive
B
Do Amore Diamonds
27-10559B974 · Oct 30
$4,045 NZD
$2,280 USD
View
18 more retailers have this diamond
Prices start from $422 NZDSave up to $3,623 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
$422 NZD