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Heart|Lab Grown|IGI

1.00ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG838619284

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG838619284

Diamond specifications and retailer prices

From $387 NZD
$218 USD
As of October 30, 2026
Save $2,115 NZD (85%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,502 NZD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 LG838619284 or 838619284. Listed at 18 retailers as of October 30, 2026, with prices from $387 to $2,502, a $2,115 spread on the same certified stone. Brilliant Earth lists it at $2,502. 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 angle35.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG838619284
Dimensions6.20 × 6.81 × 4.10 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
6.20 mm6.81 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG838619284
Side View
Table 59.0%Crown 35.1°Girdle: STK-THKPavilion 39.4°Culet: NoneDepth 60.2%

Caratlytics Score

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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: $2,502 NZD|Low: $387 NZD|High: $2,502 NZD|Avg: $957 NZD
Brilliant Earth
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
Retailer 16
Retailer 17
Retailer 18
November 1, 2026
Retailer 8$387 NZD
Retailer 4$433 NZD
Retailer 2$449 NZD
Retailer 14$481 NZD
Retailer 13$494 NZD
Retailer 10$520 NZD
Retailer 3$545 NZD
Retailer 7$648 NZD
Retailer 11$829 NZD
Retailer 18$861 NZD
Retailer 16$892 NZD
Retailer 17$894 NZD
Retailer 9$1,261 NZD
Retailer 5$1,299 NZD
Retailer 15$1,544 NZD
Retailer 6$1,666 NZD
Retailer 12$1,924 NZD
Brilliant Earth$2,502 NZD

21 data points across 18 retailers

18 retailers$387 NZD to $2,502 NZD

A
Cheapest Retailer
-
$387 NZD
$218 USD
A
Retailer 2
-
$433 NZD
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$449 NZD
$253 USD
View
A
Retailer 4
-
$481 NZD
$271 USD
View
A
Retailer 5
-
$494 NZD
£219 GBP
View
Retailer 6
-
$520 NZD
$293 USD
View
Price last confirmed 7 days ago
A
Retailer 7
-
$545 NZD
HK$2,400 HKD
View
A
Retailer 8
-
$648 NZD
$365 USD
View
A
Retailer 9
-
$829 NZD
ZAR 7,548 ZAR
View
A
Retailer 10
-
$861 NZD
€462 EUR
View
A
Retailer 11
-
$892 NZD
£396 GBP
View
A
Retailer 12
-
$894 NZD
$504 USD
View
B+
Retailer 13
-
$1,261 NZD
A$1,093 AUD
View
B+
Retailer 14
-
$1,299 NZD
SGD 989 SGD
View
B+
Retailer 15
-
$1,544 NZD
$870 USD
View
B
Retailer 16
-
$1,666 NZD
$939 USD
View
B+
Retailer 17
-
$1,924 NZD
£854 GBP
View
Most Expensive
B
Brilliant Earth
21621117A · Oct 31
$2,502 NZD
$1,410 USD
View
17 more retailers have this diamond
Prices start from $387 NZDSave up to $2,115 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
$387 NZD