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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 $481 USD
As of November 2, 2026
Save $1,175 USD (71%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,656 USD 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 $481 to $1,656, a $1,175 spread on the same certified stone. NZ Jewellers lists it at $1,656. 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
Color
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: $1,656 USD|Low: $481 USD|High: $1,744 USD|Avg: $762 USD|-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 8$481 USD
Retailer 9$523 USD
Retailer 5$558 USD
Retailer 10$560 USD
Retailer 3$569 USD
Retailer 13$569 USD
Retailer 14$574 USD
Retailer 11$609 USD
Retailer 2$641 USD
Retailer 7$655 USD
Retailer 12$702 USD
Retailer 6$820 USD
Retailer 4$1,222 USD
NZ Jewellers$1,656 USD

34 data points across 14 retailers

14 retailers$481 USD to $1,656 USD

A
Cheapest Retailer
-
$481 USD
Final sale: no returns
A
Retailer 2
-
$523 USD
View
A
Retailer 3
-
$558 USD
View
A
Retailer 4
-
$560 USD
View
A
Retailer 5
-
$569 USD
View
A
Retailer 6
-
$569 USD
View
A
Retailer 7
-
$574 USD
SGD 776 SGD
View
A
Retailer 8
-
$609 USD
View
A
Retailer 9
-
$641 USD
£505 GBP
View
A
Retailer 10
-
$655 USD
£516 GBP
View
B+
Retailer 11
-
$702 USD
View
Retailer 12
-
$820 USD
A$1,261 AUD
View
Price last confirmed 29 days ago
B
Retailer 13
-
$1,222 USD
£962 GBP
View
Most Expensive
B
NZ Jewellers
638f8074-8ac3-4f19-a6b3-2002f86476d3 · Oct 30
$1,656 USD
View
13 more retailers have this diamond
Prices start from $481 USDSave up to $1,175 USD

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
$481 USD