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Round|Lab Grown|IGI

1.63ct F SI1 Round Lab Grown Diamond

VG • F/SI1 • IGI LG786625021

Shape and cutting style on the report: Round brilliant

Certificate IGI LG786625021

Diamond specifications and retailer prices

From $305 AUD
$214 USD
As of November 1, 2026
Save $1,210 AUD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,515 AUD at MOH London · As of November 2, 2026
View at MOH London

About this 1.63ct lab-grown round diamond

This 1.63ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG786625021 or 786625021. Listed at 13 retailers as of November 1, 2026, with prices from $305 to $1,515, a $1,210 spread on the same certified stone. MOH London lists it at $1,515. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.63
Carat
F
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle37.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786625021
Dimensions7.64 × 7.57 × 4.51 mm
L/W Ratio1.01
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
7.64 mm7.57 mm1.63 ctF / SI1
OriginLab Grown
CutVery Good
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG786625021
Side View
Table 63.0%Crown 37.7°Girdle: THN-MEDPavilion 39.9°Culet: NoneDepth 59.4%

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: Nov 1
Current: $1,515 AUD|Low: $293 AUD|High: $2,183 AUD|Avg: $833 AUD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 9$305 AUD
Retailer 11$341 AUD
Retailer 4$378 AUD
Retailer 5$631 AUD
Retailer 12$649 AUD
Retailer 3$696 AUD
Retailer 6$698 AUD
Retailer 10$748 AUD
Retailer 2$1,029 AUD
Retailer 8$1,106 AUD
Retailer 7$1,327 AUD
MOH London$1,515 AUD

34 data points across 12 retailers

13 retailers$305 AUD to $1,515 AUD

A
Cheapest Retailer
-
$305 AUD
$214 USD
A
Retailer 2
-
$341 AUD
$239 USD
View
Final sale: no returns
Retailer 3
-
$378 AUD
$265 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$631 AUD
€421 EUR
View
B
Retailer 5
-
$649 AUD
$455 USD
View
B+
Retailer 6
-
$696 AUD
$488 USD
View
B+
Retailer 7
-
$698 AUD
£385 GBP
View
B+
Retailer 8
-
$748 AUD
$524 USD
View
B
Retailer 9
-
$1,029 AUD
$721 USD
View
Retailer 10
-
$1,106 AUD
$775 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$1,220 AUD
$855 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$1,327 AUD
$930 USD
View
Most Expensive
B
MOH London
LG786625021 · Nov 2
$1,515 AUD
£836 GBP
View
12 more retailers have this diamond
Prices start from $305 AUDSave up to $1,210 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 Round
$305 AUD