CaratHunter
Plans
Marquise|Natural|GIA

0.53ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 6565167774

Certificate GIA 6565167774

Diamond specifications and retailer prices

From $400 AUD
As of November 6, 2026
Save $644 AUD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,044 AUD at Frank Darling · As of November 6, 2026
View at Frank Darling

About this 0.53ct natural marquise diamond

This 0.53ct natural marquise sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6565167774. Listed at 8 retailers as of November 6, 2026, with prices from $400 to $1,044, a $644 spread on the same certified stone. Frank Darling lists it at $1,044. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.67°
Pavilion angle40.44°
OriginNatural
Grading LabGIA
CertificateGIA 6565167774
Dimensions7.95 × 4.20 × 2.68 mm
L/W Ratio1.89
Culet sizeNone
Top View
7.95 mm4.20 mm0.53 ctK / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6565167774
Side View
Table 57.0%Crown 38.67°Girdle: MED-VTKPavilion 40.44°Culet: NoneDepth 63.9%

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 6
Current: $1,044 AUD|Low: $359 AUD|High: $1,088 AUD|Avg: $560 AUD|-4.1%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 5, 2026
Retailer 9$359 AUD
Retailer 8$400 AUD
Retailer 7$419 AUD
Retailer 4$443 AUD
Retailer 2$447 AUD
Retailer 6$544 AUD
Retailer 5$587 AUD
Retailer 3$639 AUD
Frank Darling$1,044 AUD

23 data points across 9 retailers

8 retailers$400 AUD to $1,044 AUD

A
Cheapest Retailer
-
$400 AUD
A
Retailer 2
-
$419 AUD
View
A
Retailer 3
-
$443 AUD
View
A
Retailer 4
-
$447 AUD
View
A
Retailer 5
-
$544 AUD
View
A
Retailer 6
-
$587 AUD
View
A
Retailer 7
-
$639 AUD
View
Most Expensive
B+
Frank Darling
2680312HK · Nov 6
$1,044 AUD
$731 USD
View
7 more retailers have this diamond
Prices start from $400 AUDSave up to $644 AUD

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
$400 AUD