Marquise|Natural|GIA

0.51ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 7568379781

Certificate GIA 7568379781

Diamond specifications and retailer prices

From $595 SGD
As of November 6, 2026
Save $1,277 SGD (68%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $1,872 SGD at MOH London · As of November 4, 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 4, 2026, with prices from $595 to $1,872, a $1,277 spread on the same certified stone. MOH London lists it at $1,872. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $1,872 SGD|Low: $595 SGD|High: $2,121 SGD|Avg: $1,083 SGD|-11.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 2$595 SGD
Retailer 5$688 SGD
Retailer 8$839 SGD
Retailer 7$946 SGD
Retailer 4$989 SGD
Retailer 6$1,016 SGD
Retailer 3$1,188 SGD
MOH London$1,872 SGD

41 data points across 8 retailers

8 retailers$595 SGD to $1,872 SGD

A
Cheapest Retailer
-
$595 SGD
A
Retailer 2
-
$688 SGD
View
Retailer 3
-
$839 SGD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$946 SGD
View
B+
Retailer 5
-
$989 SGD
View
B+
Retailer 6
-
$1,016 SGD
View
B+
Retailer 7
-
$1,188 SGD
View
Most Expensive
B
MOH London
3DC62B40C · Nov 4
$1,872 SGD
£1,150 GBP
View
7 more retailers have this diamond
Prices start from $595 SGDSave up to $1,277 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
0.51ct Marquise
$595 SGD