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Radiant|Lab Grown|IGI

1.63ct D IF Radiant Lab Grown Diamond

EX • D/IF • IGI LG739567284

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

Certificate IGI LG739567284

Diamond specifications and retailer prices

From $546 SGD
$427 USD
As of October 30, 2026
Save $4,069 SGD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,615 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG739567284 or 739567284. Listed at 25 retailers as of October 30, 2026, with prices from $546 to $4,615, a $4,069 spread on the same certified stone. Brilliant Earth lists it at $4,615. 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
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle32.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG739567284
Dimensions8.56 × 5.84 × 3.77 mm
L/W Ratio1.47
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
8.56 mm5.84 mm1.63 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG739567284
Side View
Table 68.0%Crown 41.9°Girdle: MED-STKPavilion 32.8°Culet: NoneDepth 64.6%

Caratlytics Score

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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: Oct 30
Current: $4,615 SGD|Low: $469 SGD|High: $5,126 SGD|Avg: $1,517 SGD|-10.0%
Brilliant Earth
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
Retailer 19
October 31, 2026
Retailer 19$488 SGD
Retailer 10$546 SGD
Retailer 3$606 SGD
Retailer 5$606 SGD
Retailer 12$805 SGD
Retailer 16$805 SGD
Retailer 9$1,020 SGD
Retailer 2$1,102 SGD
Retailer 15$1,149 SGD
Retailer 7$1,419 SGD
Retailer 11$1,467 SGD
Retailer 13$1,556 SGD
Retailer 17$1,699 SGD
Retailer 8$1,948 SGD
Retailer 4$2,268 SGD
Retailer 6$2,335 SGD
Retailer 14$2,469 SGD
Retailer 18$3,618 SGD
Brilliant Earth$4,615 SGD

42 data points across 19 retailers

25 retailers$546 SGD to $4,615 SGD

Retailer 1
-
$488 SGD
$382 USD
Price last confirmed 15 days ago
A
Retailer 2
-
$546 SGD
$427 USD
View
Final sale: no returns
Retailer 3
-
$547 SGD
$428 USD
View
Price last confirmed 18 days ago
Retailer 4
-
$606 SGD
$474 USD
View
Price last confirmed 15 days ago
Retailer 5
-
$606 SGD
$474 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$805 SGD
$630 USD
View
A
Retailer 7
-
$805 SGD
$630 USD
View
A
Retailer 8
-
$1,020 SGD
$798 USD
View
A
Retailer 9
-
$1,102 SGD
£678 GBP
View
A
Retailer 10
-
$1,149 SGD
ZAR 14,516 ZAR
View
A
Retailer 11
-
$1,183 SGD
$925 USD
View
B+
Retailer 12
-
$1,419 SGD
$1,110 USD
View
B+
Retailer 13
-
$1,467 SGD
$1,148 USD
View
B+
Retailer 14
-
$1,556 SGD
A$1,873 AUD
View
B+
Retailer 15
-
$1,699 SGD
$1,329 USD
View
B+
Retailer 16
-
$1,948 SGD
£1,200 GBP
View
Retailer 17
-
$2,149 SGD
$1,681 USD
View
Price last confirmed 15 days ago
B+
Retailer 18
-
$2,258 SGD
$1,766 USD
View
B+
Retailer 19
-
$2,268 SGD
$1,774 USD
View
B
Retailer 20
-
$2,335 SGD
$1,827 USD
View
B
Retailer 21
-
$2,343 SGD
$1,833 USD
View
B+
Retailer 22
-
$2,469 SGD
£1,521 GBP
View
B
Retailer 23
-
$3,580 SGD
$2,800 USD
View
B
Retailer 24
-
$4,334 SGD
$3,390 USD
View
Most Expensive
B
Brilliant Earth
18396284Y · Oct 31
$4,615 SGD
$3,610 USD
View
24 more retailers have this diamond
Prices start from $546 SGDSave up to $4,069 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
$546 SGD