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Marquise|Natural|GIA

0.80ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5563673424

Certificate GIA 5563673424

Diamond specifications and retailer prices

From $1,957 AUD
SGD 1,853 SGD
As of October 31, 2026
Save $1,584 AUD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,540 AUD at Helzberg Diamonds · As of November 2, 2026
View at Helzberg Diamonds

About this 0.8ct natural marquise diamond

This 0.8ct 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 5563673424. Listed at 12 retailers as of October 31, 2026, with prices from $1,957 to $3,540, a $1,584 spread on the same certified stone. Helzberg Diamonds lists it at $3,540. 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

0.80
Carat
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle39.56°
Pavilion angle38.39°
OriginNatural
Grading LabGIA
CertificateGIA 5563673424
Dimensions9.31 × 4.85 × 2.96 mm
L/W Ratio1.92
Culet sizeNone
Top View
9.31 mm4.85 mm0.80 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5563673424
Side View
Table 59.0%Crown 39.56°Girdle: STK-VTKPavilion 38.39°Culet: NoneDepth 61.1%

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: Oct 31
Current: $3,540 AUD|Low: $1,975 AUD|High: $3,540 AUD|Avg: $2,508 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 10$1,975 AUD
Retailer 6$2,005 AUD
Retailer 9$2,009 AUD
Retailer 3$2,149 AUD
Retailer 4$2,188 AUD
Retailer 7$2,396 AUD
Retailer 5$2,477 AUD
Retailer 11$2,701 AUD
Retailer 2$2,838 AUD
Retailer 8$3,174 AUD
Helzberg Diamonds$3,540 AUD

13 data points across 11 retailers

12 retailers$1,957 AUD to $3,540 AUD

A
Cheapest Retailer
-
$1,957 AUD
SGD 1,853 SGD
A
Retailer 2
-
$1,975 AUD
$1,384 USD
View
A
Retailer 3
-
$2,005 AUD
$1,405 USD
View
A
Retailer 4
-
$2,009 AUD
$1,408 USD
View
A
Retailer 5
-
$2,149 AUD
SGD 2,035 SGD
View
B+
Retailer 6
-
$2,188 AUD
£1,207 GBP
View
B+
Retailer 7
-
$2,396 AUD
$1,679 USD
View
B+
Retailer 8
-
$2,477 AUD
$1,736 USD
View
B+
Retailer 9
-
$2,701 AUD
$1,893 USD
View
B+
Retailer 10
-
$2,838 AUD
€1,894 EUR
View
B+
Retailer 11
-
$3,174 AUD
$2,225 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLLMJMNJKIK · Nov 2
$3,540 AUD
$2,481 USD
View
11 more retailers have this diamond
Prices start from $1,957 AUDSave up to $1,584 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.

A
0.80ct Marquise
$1,957 AUD