Round|Natural|IGI

1.63ct L SI2 Round Natural Diamond

EX • L/SI2 • IGI 671480382

Shape and cutting style on the report: Round brilliant

Certificate IGI 671480382

Diamond specifications and retailer prices

From $1,090 SGD
As of November 5, 2026
Save $792 SGD (42%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $1,881 SGD at Moon Ocean · As of November 6, 2026
View at Moon Ocean

About this 1.63ct natural round diamond

This 1.63ct natural round sits in the one-and-a-half to two carat band, graded L colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 671480382. Listed at 4 retailers as of November 5, 2026, with prices from $1,090 to $1,881, a $792 spread on the same certified stone. Moon Ocean lists it at $1,881. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.63
Carat
L
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41.4°
OriginNatural
Grading LabIGI
CertificateIGI 671480382
Dimensions7.43 × 7.47 × 4.72 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
Faint Brown
Top View
7.43 mm7.47 mm1.63 ctL / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 671480382
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 41.4°Culet: NoneDepth 63.3%

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 5
Current: $1,881 SGD|Low: $1,090 SGD|High: $1,918 SGD|Avg: $1,491 SGD|-1.5%
Moon Ocean
Retailer 2
Retailer 3
Retailer 4
November 6, 2026
Retailer 2$1,090 SGD
Retailer 3$1,437 SGD
Retailer 4$1,593 SGD
Moon Ocean$1,881 SGD

46 data points across 4 retailers

4 retailers$1,090 SGD to $1,881 SGD

A
Cheapest Retailer
-
$1,090 SGD
B+
Retailer 2
-
$1,437 SGD
View
B+
Retailer 3
-
$1,671 SGD
View
Most Expensive
B+
Moon Ocean
NVN-B7A71F396-382 · Nov 6
$1,881 SGD
£1,160 GBP
View
3 more retailers have this diamond
Prices start from $1,090 SGDSave up to $792 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 Round
$1,090 SGD