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Marquise|Natural|GIA

0.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7568379781

Certificate GIA 7568379781

Diamond specifications and retailer prices

From $468 USD
₹44,618 INR
As of November 2, 2026
Save $937 USD (67%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,406 USD at MOH London · As of November 1, 2026
View at MOH London

About this 0.51ct natural marquise diamond

This 0.51ct natural marquise sits in the half to three-quarter carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7568379781. Listed at 8 retailers as of November 1, 2026, with prices from $468 to $1,406, a $937 spread on the same certified stone. MOH London lists it at $1,406. 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

0.51
Carat
F
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 7568379781
Dimensions7.61 × 4.14 × 2.65 mm
L/W Ratio1.84
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Twinning Wisp, Crystal
Top View
7.61 mm4.14 mm0.51 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 7568379781
Side View
Table 60.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.1%

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: $1,406 USD|Low: $468 USD|High: $1,655 USD|Avg: $851 USD|-15.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 3, 2026
Retailer 3$468 USD
Retailer 7$512 USD
Retailer 8$655 USD
Retailer 5$738 USD
Retailer 6$763 USD
Retailer 2$780 USD
Retailer 4$899 USD
MOH London$1,406 USD

38 data points across 8 retailers

8 retailers$468 USD to $1,406 USD

A
Cheapest Retailer
-
$468 USD
₹44,618 INR
A
Retailer 2
-
$512 USD
HK$4,000 HKD
View
Retailer 3
-
$655 USD
View
Price last confirmed 15 days ago
B+
Retailer 4
-
$738 USD
View
B+
Retailer 5
-
$763 USD
£601 GBP
View
B+
Retailer 6
-
$780 USD
£614 GBP
View
B+
Retailer 7
-
$899 USD
€856 EUR
View
Most Expensive
B
MOH London
3DC62B40C · Nov 1
$1,406 USD
£1,107 GBP
View
7 more retailers have this diamond
Prices start from $468 USDSave up to $937 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
0.51ct Marquise
$468 USD