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Radiant|Lab Grown|IGI

1.63ct D FL Radiant Lab Grown Diamond

ID • D/FL • IGI LG816623867

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG816623867

Diamond specifications and retailer prices

From $1,241 NZD
£550 GBP
As of November 2, 2026
Save $6,366 NZD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $7,607 NZD at Do Amore Diamonds · As of November 1, 2026
View at Do Amore Diamonds

About this 1.63ct lab-grown radiant diamond

This 1.63ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816623867 or 816623867. Listed at 9 retailers as of November 1, 2026, with prices from $1,241 to $7,607, a $6,366 spread on the same certified stone. Do Amore Diamonds lists it at $7,607. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.63
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816623867
Dimensions8.23 × 5.89 × 3.89 mm
L/W Ratio1.40
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
8.23 mm5.89 mm1.63 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816623867
Side View
Table 67.0%Crown 46°Girdle: MediumPavilion 35.1°Culet: NoneDepth 66.0%

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: $7,607 NZD|Low: $882 NZD|High: $9,189 NZD|Avg: $3,598 NZD|-12.3%
Do Amore Diamonds
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
November 2, 2026
Retailer 4$882 NZD
Retailer 7$962 NZD
Retailer 9$1,241 NZD
Retailer 13$1,658 NZD
Retailer 11$1,662 NZD
Retailer 16$2,189 NZD
Retailer 6$2,284 NZD
Retailer 5$2,398 NZD
Retailer 2$2,655 NZD
Retailer 15$3,517 NZD
Retailer 3$4,036 NZD
Retailer 8$4,818 NZD
Retailer 10$4,898 NZD
Retailer 12$6,434 NZD
Retailer 14$6,914 NZD
Do Amore Diamonds$7,607 NZD

21 data points across 16 retailers

9 retailers$1,241 NZD to $7,607 NZD

A
Cheapest Retailer
-
$1,241 NZD
£550 GBP
A
Retailer 2
-
$1,658 NZD
$933 USD
View
A
Retailer 3
-
$1,662 NZD
$935 USD
View
B+
Retailer 4
-
$2,655 NZD
$1,494 USD
View
B+
Retailer 5
-
$3,517 NZD
$1,979 USD
View
B+
Retailer 6
-
$4,898 NZD
£2,170 GBP
View
B
Retailer 7
-
$6,434 NZD
$3,620 USD
View
B
Retailer 8
-
$6,914 NZD
$3,890 USD
View
Most Expensive
B
Do Amore Diamonds
27-746C3AFEF · Nov 1
$7,607 NZD
$4,280 USD
View
8 more retailers have this diamond
Prices start from $1,241 NZDSave up to $6,366 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 Radiant
$1,241 NZD