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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 $2,621 NZD
SGD 1,993 SGD
As of October 31, 2026
Save $2,147 NZD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $4,768 NZD 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 $2,621 to $4,768, a $2,147 spread on the same certified stone. Helzberg Diamonds lists it at $4,768. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $4,768 NZD|Low: $2,659 NZD|High: $4,768 NZD|Avg: $3,338 NZD
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$2,659 NZD
Retailer 8$2,693 NZD
Retailer 9$2,705 NZD
Retailer 3$2,895 NZD
Retailer 2$2,951 NZD
Retailer 6$3,212 NZD
Retailer 5$3,336 NZD
Retailer 11$3,573 NZD
Retailer 4$3,747 NZD
Retailer 7$4,279 NZD
Helzberg Diamonds$4,768 NZD

19 data points across 11 retailers

12 retailers$2,621 NZD to $4,768 NZD

A
Cheapest Retailer
-
$2,621 NZD
SGD 1,993 SGD
A
Retailer 2
-
$2,659 NZD
$1,496 USD
View
A
Retailer 3
-
$2,693 NZD
$1,515 USD
View
A
Retailer 4
-
$2,705 NZD
$1,522 USD
View
A
Retailer 5
-
$2,895 NZD
SGD 2,201 SGD
View
A
Retailer 6
-
$2,951 NZD
£1,307 GBP
View
B+
Retailer 7
-
$3,212 NZD
$1,807 USD
View
B+
Retailer 8
-
$3,336 NZD
$1,877 USD
View
B+
Retailer 9
-
$3,573 NZD
$2,010 USD
View
B+
Retailer 10
-
$3,747 NZD
€2,008 EUR
View
Retailer 11
-
$4,279 NZD
$2,408 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRHIKIGPOMJK · Nov 2
$4,768 NZD
$2,683 USD
View
11 more retailers have this diamond
Prices start from $2,621 NZDSave up to $2,147 NZD

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
$2,621 NZD