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Oval|Natural|GIA

0.53ct I SI1 Oval Natural Diamond

GD • I/SI1 • GIA 1553540304

Certificate GIA 1553540304

Diamond specifications and retailer prices

From $678 SGD
As of October 31, 2026
4 retailers carry this diamond
Most expensive: $715 SGD at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 0.53ct natural oval diamond

This 0.53ct natural oval sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 1553540304. Listed at 4 retailers as of October 31, 2026. 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

0.53
Carat
I
Colour
SI1
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 1553540304
Dimensions6.21 × 4.51 × 2.92 mm
L/W Ratio1.38
Culet sizeNone
Key to symbols
Crystal
Top View
6.21 mm4.51 mm0.53 ctI / SI1
OriginNatural
CutGood
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 1553540304
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 64.8%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $715 SGD|Low: $468 SGD|High: $745 SGD|Avg: $607 SGD|-4.0%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 5$528 SGD
Retailer 3$547 SGD
Retailer 4$591 SGD
Retailer 2$678 SGD
Blue Nile$715 SGD

34 data points across 5 retailers

4 retailers

Retailer 1
-
$528 SGD
Price last confirmed 7 days ago
Retailer 2
-
$591 SGD
View
Price last confirmed 7 days ago
B+
Retailer 3
-
$678 SGD
View
Most Expensive
Blue Nile
29484049 · Oct 29
$715 SGD
$558 USD
View
Price last confirmed 8 days ago
3 more retailers have this diamond
Prices start from $678 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.

B+
0.53ct Oval
$678 SGD