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Marquise|Natural|GIA

0.53ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 6551657449

Certificate GIA 6551657449

Diamond specifications and retailer prices

From $615 SGD
$481 USD
As of November 2, 2026
Save $1,503 SGD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $2,118 SGD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 0.53ct natural marquise diamond

This 0.53ct natural marquise sits in the half to three-quarter carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551657449. Listed at 14 retailers as of October 30, 2026, with prices from $615 to $2,118, a $1,503 spread on the same certified stone. NZ Jewellers lists it at $2,118. 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

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

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551657449
Dimensions7.80 × 4.34 × 2.71 mm
L/W Ratio1.80
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Crystal
Top View
7.80 mm4.34 mm0.53 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551657449
Side View
Table 63.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.4%

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: $2,118 SGD|Low: $615 SGD|High: $2,230 SGD|Avg: $978 SGD|-5.0%
NZ Jewellers
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
November 2, 2026
Retailer 11$615 SGD
Retailer 12$669 SGD
Retailer 5$714 SGD
Retailer 13$716 SGD
Retailer 2$720 SGD
Retailer 4$728 SGD
Retailer 3$734 SGD
Retailer 8$771 SGD
Retailer 9$820 SGD
Retailer 10$838 SGD
Retailer 14$898 SGD
Retailer 6$1,048 SGD
Retailer 7$1,543 SGD
NZ Jewellers$2,118 SGD

33 data points across 14 retailers

14 retailers$615 SGD to $2,118 SGD

A
Cheapest Retailer
-
$615 SGD
$481 USD
Final sale: no returns
A
Retailer 2
-
$669 SGD
$523 USD
View
A
Retailer 3
-
$714 SGD
$558 USD
View
A
Retailer 4
-
$716 SGD
$560 USD
View
A
Retailer 5
-
$720 SGD
$563 USD
View
A
Retailer 6
-
$728 SGD
$569 USD
View
A
Retailer 7
-
$734 SGD
View
A
Retailer 8
-
$771 SGD
$603 USD
View
A
Retailer 9
-
$820 SGD
£505 GBP
View
A
Retailer 10
-
$838 SGD
£516 GBP
View
B+
Retailer 11
-
$898 SGD
$702 USD
View
Retailer 12
-
$1,048 SGD
A$1,261 AUD
View
Price last confirmed 30 days ago
B
Retailer 13
-
$1,543 SGD
£950 GBP
View
Most Expensive
B
NZ Jewellers
638f8074-8ac3-4f19-a6b3-2002f86476d3 · Oct 30
$2,118 SGD
$1,656 USD
View
13 more retailers have this diamond
Prices start from $615 SGDSave up to $1,503 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
0.53ct Marquise
$615 SGD