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 $893 SGD
£550 GBP
As of November 2, 2026
Save $4,581 SGD (84%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,474 SGD 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 $893 to $5,474, a $4,581 spread on the same certified stone. Do Amore Diamonds lists it at $5,474. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $5,474 SGD|Low: $634 SGD|High: $6,612 SGD|Avg: $2,589 SGD|-12.3%
Do Amore Diamonds
Retailer 2
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Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
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Retailer 16
November 2, 2026
Retailer 4$634 SGD
Retailer 7$692 SGD
Retailer 9$893 SGD
Retailer 13$1,193 SGD
Retailer 11$1,196 SGD
Retailer 16$1,575 SGD
Retailer 6$1,643 SGD
Retailer 5$1,726 SGD
Retailer 2$1,911 SGD
Retailer 15$2,530 SGD
Retailer 3$2,904 SGD
Retailer 8$3,467 SGD
Retailer 10$3,525 SGD
Retailer 12$4,630 SGD
Retailer 14$4,975 SGD
Do Amore Diamonds$5,474 SGD

21 data points across 16 retailers

9 retailers$893 SGD to $5,474 SGD

A
Cheapest Retailer
-
$893 SGD
£550 GBP
A
Retailer 2
-
$1,193 SGD
$933 USD
View
A
Retailer 3
-
$1,196 SGD
$935 USD
View
B+
Retailer 4
-
$1,911 SGD
$1,494 USD
View
B+
Retailer 5
-
$2,530 SGD
$1,979 USD
View
B+
Retailer 6
-
$3,525 SGD
£2,170 GBP
View
B
Retailer 7
-
$4,630 SGD
$3,620 USD
View
B
Retailer 8
-
$4,975 SGD
$3,890 USD
View
Most Expensive
B
Do Amore Diamonds
27-746C3AFEF · Nov 1
$5,474 SGD
$4,280 USD
View
8 more retailers have this diamond
Prices start from $893 SGDSave up to $4,581 SGD

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
$893 SGD