CaratHunter
Plans
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 $458 AUD
$322 USD
As of October 30, 2026
Save $1,821 AUD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,280 AUD 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 October 30, 2026, with prices from $458 to $2,280, a $1,821 spread on the same certified stone. MOH London lists it at $2,280. 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: Oct 30
Current: $2,280 AUD|Low: $352 AUD|High: $3,402 AUD|Avg: $1,369 AUD
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 1, 2026
Retailer 15$458 AUD
Retailer 17$514 AUD
Retailer 16$569 AUD
Retailer 9$601 AUD
Retailer 14$766 AUD
Retailer 13$790 AUD
Retailer 6$879 AUD
Retailer 18$942 AUD
Retailer 12$978 AUD
Retailer 3$992 AUD
Retailer 11$1,326 AUD
Retailer 2$1,668 AUD
Retailer 10$1,755 AUD
Retailer 4$1,893 AUD
Retailer 7$2,198 AUD
Retailer 8$2,203 AUD
MOH London$2,280 AUD
Retailer 5$3,402 AUD

29 data points across 18 retailers

16 retailers$458 AUD to $2,280 AUD

A
Cheapest Retailer
-
$458 AUD
$322 USD
A
Retailer 2
-
$514 AUD
$361 USD
View
Final sale: no returns
A
Retailer 3
-
$532 AUD
$374 USD
View
A
Retailer 4
-
$569 AUD
$400 USD
View
Retailer 5
-
$569 AUD
$400 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$766 AUD
$538 USD
View
A
Retailer 7
-
$790 AUD
$555 USD
View
B+
Retailer 8
-
$942 AUD
$662 USD
View
A
Retailer 9
-
$978 AUD
ZAR 11,094 ZAR
View
B+
Retailer 10
-
$992 AUD
$697 USD
View
B+
Retailer 11
-
$1,326 AUD
View
B+
Retailer 12
-
$1,360 AUD
$955 USD
View
B+
Retailer 13
-
$1,668 AUD
$1,172 USD
View
B+
Retailer 14
-
$1,829 AUD
$1,285 USD
View
B+
Retailer 15
-
$1,893 AUD
$1,330 USD
View
Most Expensive
B+
MOH London
LG581348386 · Nov 1
$2,280 AUD
£1,261 GBP
View
15 more retailers have this diamond
Prices start from $458 AUDSave up to $1,821 AUD

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
$458 AUD