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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 $380 NZD
$214 USD
As of November 1, 2026
Save $1,507 NZD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,887 NZD 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 $380 to $1,887, a $1,507 spread on the same certified stone. MOH London lists it at $1,887. 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: $1,887 NZD|Low: $364 NZD|High: $2,719 NZD|Avg: $1,037 NZD|-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$380 NZD
Retailer 11$425 NZD
Retailer 4$471 NZD
Retailer 5$786 NZD
Retailer 12$809 NZD
Retailer 3$867 NZD
Retailer 6$870 NZD
Retailer 10$931 NZD
Retailer 2$1,281 NZD
Retailer 8$1,377 NZD
Retailer 7$1,653 NZD
MOH London$1,887 NZD

34 data points across 12 retailers

13 retailers$380 NZD to $1,887 NZD

A
Cheapest Retailer
-
$380 NZD
$214 USD
A
Retailer 2
-
$425 NZD
$239 USD
View
Final sale: no returns
Retailer 3
-
$471 NZD
$265 USD
View
Price last confirmed 9 days ago
B+
Retailer 4
-
$786 NZD
€421 EUR
View
B
Retailer 5
-
$809 NZD
$455 USD
View
B+
Retailer 6
-
$867 NZD
$488 USD
View
B+
Retailer 7
-
$870 NZD
£385 GBP
View
B+
Retailer 8
-
$931 NZD
$524 USD
View
B
Retailer 9
-
$1,281 NZD
$721 USD
View
Retailer 10
-
$1,377 NZD
$775 USD
View
Price last confirmed 12 days ago
Retailer 11
-
$1,520 NZD
$855 USD
View
Price last confirmed 11 days ago
B
Retailer 12
-
$1,653 NZD
$930 USD
View
Most Expensive
B
MOH London
LG786625021 · Nov 2
$1,887 NZD
£836 GBP
View
12 more retailers have this diamond
Prices start from $380 NZDSave up to $1,507 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 Round
$380 NZD