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Marquise|Natural|GIA

0.78ct F SI2 Marquise Natural Diamond

GD • F/SI2 • GIA 5131411226

Certificate GIA 5131411226

Diamond specifications and retailer prices

From $1,789 SGD
$1,399 USD
As of November 2, 2026
Save $950 SGD (35%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,739 SGD at 77 Diamonds · As of November 3, 2026
View at 77 Diamonds

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a standard cut grade stated by the retailer rather than the lab and certified by GIA 5131411226. Listed at 2 retailers as of November 2, 2026, with prices from $1,789 to $2,739, a $950 spread on the same certified stone. 77 Diamonds lists it at $2,739. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.78
Carat
F
Colour
SI2
Clarity
Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Good
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5131411226
Dimensions10.71 × 5.25 × 2.43 mm
L/W Ratio2.04
Top View
10.71 mm5.25 mm0.78 ctF / SI2
OriginNatural
CutGood
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 5131411226
Side View
Table 61.0%CrownGirdle: ThickPavilionCulet: SmallDepth 46.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,739 SGD|Low: $1,767 SGD|High: $2,742 SGD|Avg: $2,111 SGD|+2.3%
77 Diamonds
Retailer 2
Retailer 3
November 3, 2026
Retailer 3$1,789 SGD
Retailer 2$1,823 SGD
77 Diamonds$2,739 SGD

40 data points across 3 retailers

2 retailers$1,789 SGD to $2,739 SGD

B+
Cheapest Retailer
-
$1,789 SGD
$1,399 USD
Most Expensive
B
77 Diamonds
MQZD4XTM7GV · Nov 3
$2,739 SGD
£1,686 GBP
View
1 more retailer has this diamond
Prices start from $1,789 SGDSave up to $950 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.

B+
0.78ct Marquise
$1,789 SGD