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Marquise|Natural|GIA

0.78ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 1232971789

Certificate GIA 1232971789

Diamond specifications and retailer prices

From $2,305 AUD
As of November 6, 2026
Save $1,341 AUD (37%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $3,647 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 0.78ct natural marquise diamond

This 0.78ct natural marquise sits in the just-under-one-carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1232971789. Listed at 3 retailers as of November 1, 2026, with prices from $2,305 to $3,647, a $1,341 spread on the same certified stone. MOH London lists it at $3,647. 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

0.78
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1232971789
Dimensions8.82 × 4.85 × 3.04 mm
L/W Ratio1.82
Culet sizeNone
Top View
8.82 mm4.85 mm0.78 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceFaint
CertificateGIA 1232971789
Side View
Table 60.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 62.8%

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 6
Current: $3,647 AUD|Low: $2,228 AUD|High: $3,691 AUD|Avg: $2,942 AUD|-0.1%
MOH London
Retailer 2
Retailer 3
November 6, 2026
Retailer 2$2,305 AUD
Retailer 3$2,888 AUD
MOH London$3,647 AUD

43 data points across 3 retailers

3 retailers$2,305 AUD to $3,647 AUD

B+
Cheapest Retailer
-
$2,305 AUD
B
Retailer 2
-
$2,888 AUD
View
Most Expensive
B
MOH London
CCB48402D · Nov 1
$3,647 AUD
£1,973 GBP
View
2 more retailers have this diamond
Prices start from $2,305 AUDSave up to $1,341 AUD

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
$2,305 AUD