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Marquise|Natural|GIA

0.80ct F SI2 Marquise Natural Diamond

EX • F/SI2 • GIA 1242098634

Certificate GIA 1242098634

Diamond specifications and retailer prices

From $2,104 AUD
SGD 1,993 SGD
As of October 31, 2026
Save $1,724 AUD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,828 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 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 1242098634. Listed at 12 retailers as of October 31, 2026, with prices from $2,104 to $3,828, a $1,724 spread on the same certified stone. Helzberg Diamonds lists it at $3,828. 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
F
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38°
Pavilion angle38.17°
OriginNatural
Grading LabGIA
CertificateGIA 1242098634
Dimensions9.34 × 4.90 × 2.88 mm
L/W Ratio1.91
Culet sizeNone
Top View
9.34 mm4.90 mm0.80 ctF / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1242098634
Side View
Table 60.0%Crown 38°Girdle: MED-THKPavilion 38.17°Culet: NoneDepth 58.7%

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: Oct 31
Current: $3,828 AUD|Low: $2,135 AUD|High: $3,828 AUD|Avg: $2,680 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 3, 2026
Retailer 10$2,135 AUD
Retailer 8$2,162 AUD
Retailer 9$2,172 AUD
Retailer 3$2,324 AUD
Retailer 2$2,369 AUD
Retailer 6$2,578 AUD
Retailer 5$2,678 AUD
Retailer 11$2,868 AUD
Retailer 4$3,008 AUD
Retailer 7$3,436 AUD
Helzberg Diamonds$3,828 AUD

19 data points across 11 retailers

12 retailers$2,104 AUD to $3,828 AUD

A
Cheapest Retailer
-
$2,104 AUD
SGD 1,993 SGD
A
Retailer 2
-
$2,135 AUD
$1,496 USD
View
A
Retailer 3
-
$2,162 AUD
$1,515 USD
View
A
Retailer 4
-
$2,172 AUD
$1,522 USD
View
A
Retailer 5
-
$2,324 AUD
SGD 2,201 SGD
View
A
Retailer 6
-
$2,369 AUD
£1,307 GBP
View
B+
Retailer 7
-
$2,578 AUD
$1,807 USD
View
B+
Retailer 8
-
$2,678 AUD
$1,877 USD
View
B+
Retailer 9
-
$2,868 AUD
$2,010 USD
View
B+
Retailer 10
-
$3,008 AUD
€2,008 EUR
View
B
Retailer 11
-
$3,436 AUD
$2,408 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRHIKIGPOMJK · Nov 2
$3,828 AUD
$2,683 USD
View
11 more retailers have this diamond
Prices start from $2,104 AUDSave up to $1,724 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
$2,104 AUD