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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 €249 EUR
As of November 6, 2026
Save €402 EUR (62%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: €651 EUR 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 €249 to €651, a €402 spread on the same certified stone. Frank Darling lists it at €651. 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 6
Current: €651 EUR|Low: €224 EUR|High: €679 EUR|Avg: €349 EUR|-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€224 EUR
Retailer 8€249 EUR
Retailer 7€261 EUR
Retailer 4€276 EUR
Retailer 2€279 EUR
Retailer 6€339 EUR
Retailer 5€366 EUR
Retailer 3€398 EUR
Frank Darling€651 EUR

23 data points across 9 retailers

8 retailers€249 EUR to €651 EUR

A
Cheapest Retailer
-
€249 EUR
A
Retailer 2
-
€261 EUR
View
A
Retailer 3
-
€276 EUR
View
A
Retailer 4
-
€279 EUR
View
A
Retailer 5
-
€339 EUR
View
A
Retailer 6
-
€366 EUR
View
A
Retailer 7
-
€398 EUR
View
Most Expensive
B+
Frank Darling
2680312HK · Nov 6
€651 EUR
$731 USD
View
7 more retailers have this diamond
Prices start from €249 EURSave up to €402 EUR

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
€249 EUR