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Marquise|Natural|GIA

0.53ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 6565167774

Certificate GIA 6565167774

Diamond specifications and retailer prices

From $358 SGD
As of November 4, 2026
Save $576 SGD (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $934 SGD 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 4, 2026, with prices from $358 to $934, a $576 spread on the same certified stone. Frank Darling lists it at $934. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $934 SGD|Low: $321 SGD|High: $973 SGD|Avg: $500 SGD|-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$321 SGD
Retailer 8$358 SGD
Retailer 7$374 SGD
Retailer 4$396 SGD
Retailer 2$400 SGD
Retailer 6$487 SGD
Retailer 5$525 SGD
Retailer 3$571 SGD
Frank Darling$934 SGD

23 data points across 9 retailers

8 retailers$358 SGD to $934 SGD

A
Cheapest Retailer
-
$358 SGD
A
Retailer 2
-
$374 SGD
View
A
Retailer 3
-
$396 SGD
View
A
Retailer 4
-
$400 SGD
View
A
Retailer 5
-
$487 SGD
View
A
Retailer 6
-
$525 SGD
View
A
Retailer 7
-
$571 SGD
View
Most Expensive
B+
Frank Darling
2680312HK · Nov 6
$934 SGD
$731 USD
View
7 more retailers have this diamond
Prices start from $358 SGDSave up to $576 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
$358 SGD