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Heart|Lab Grown|IGI

1.63ct H IF Heart Lab Grown Diamond

ID • H/IF • IGI LG581348386

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG581348386

Diamond specifications and retailer prices

From $571 NZD
$322 USD
As of November 2, 2026
Save $2,270 NZD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,841 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 1.63ct lab-grown heart diamond

This 1.63ct lab-grown heart sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG581348386 or 581348386. Listed at 16 retailers as of November 1, 2026, with prices from $571 to $2,841, a $2,270 spread on the same certified stone. MOH London lists it at $2,841. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
H
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle43.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG581348386
Dimensions7.21 × 8.19 × 4.81 mm
L/W Ratio1.14
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 Faint Blue
Top View
7.21 mm8.19 mm1.63 ctH / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG581348386
Side View
Table 62.0%Crown 34.6°Girdle: MED-STKPavilion 43.8°Culet: NoneDepth 58.7%

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: Nov 2
Current: $2,841 NZD|Low: $438 NZD|High: $4,241 NZD|Avg: $1,705 NZD
MOH London
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 2, 2026
Retailer 15$571 NZD
Retailer 17$641 NZD
Retailer 16$710 NZD
Retailer 9$749 NZD
Retailer 14$955 NZD
Retailer 13$985 NZD
Retailer 6$1,095 NZD
Retailer 18$1,175 NZD
Retailer 2$1,223 NZD
Retailer 3$1,237 NZD
Retailer 12$1,653 NZD
Retailer 11$2,079 NZD
Retailer 10$2,187 NZD
Retailer 4$2,359 NZD
Retailer 7$2,740 NZD
Retailer 8$2,746 NZD
MOH London$2,841 NZD
Retailer 5$4,241 NZD

30 data points across 18 retailers

16 retailers$571 NZD to $2,841 NZD

A
Cheapest Retailer
-
$571 NZD
$322 USD
A
Retailer 2
-
$641 NZD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
$664 NZD
$374 USD
View
A
Retailer 4
-
$710 NZD
$400 USD
View
Retailer 5
-
$710 NZD
$400 USD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$955 NZD
$538 USD
View
A
Retailer 7
-
$985 NZD
$555 USD
View
B+
Retailer 8
-
$1,175 NZD
$662 USD
View
B+
Retailer 9
-
$1,223 NZD
ZAR 11,134 ZAR
View
B+
Retailer 10
-
$1,237 NZD
$697 USD
View
B+
Retailer 11
-
$1,653 NZD
A$1,433 AUD
View
Retailer 12
-
$1,694 NZD
$955 USD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
$2,079 NZD
$1,172 USD
View
B+
Retailer 14
-
$2,280 NZD
$1,285 USD
View
B+
Retailer 15
-
$2,359 NZD
$1,330 USD
View
Most Expensive
B+
MOH London
LG581348386 · Nov 1
$2,841 NZD
£1,261 GBP
View
15 more retailers have this diamond
Prices start from $571 NZDSave up to $2,270 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
1.63ct Heart
$571 NZD