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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 $1,886 SGD
As of October 31, 2026
Save $1,545 SGD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,431 SGD 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 $1,886 to $3,431, a $1,545 spread on the same certified stone. Helzberg Diamonds lists it at $3,431. 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: $3,431 SGD|Low: $1,913 SGD|High: $3,431 SGD|Avg: $2,402 SGD
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$1,913 SGD
Retailer 8$1,938 SGD
Retailer 9$1,946 SGD
Retailer 3$2,083 SGD
Retailer 4$2,127 SGD
Retailer 6$2,311 SGD
Retailer 5$2,400 SGD
Retailer 11$2,571 SGD
Retailer 2$2,696 SGD
Retailer 7$3,079 SGD
Helzberg Diamonds$3,431 SGD

18 data points across 11 retailers

12 retailers$1,886 SGD to $3,431 SGD

A
Cheapest Retailer
-
$1,886 SGD
A
Retailer 2
-
$1,913 SGD
$1,496 USD
View
A
Retailer 3
-
$1,938 SGD
$1,515 USD
View
A
Retailer 4
-
$1,946 SGD
$1,522 USD
View
A
Retailer 5
-
$2,083 SGD
View
A
Retailer 6
-
$2,127 SGD
£1,309 GBP
View
B+
Retailer 7
-
$2,311 SGD
$1,807 USD
View
B+
Retailer 8
-
$2,400 SGD
$1,877 USD
View
B+
Retailer 9
-
$2,571 SGD
$2,010 USD
View
B+
Retailer 10
-
$2,696 SGD
€2,008 EUR
View
B
Retailer 11
-
$3,079 SGD
$2,408 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRHIKIGPOMJK · Nov 2
$3,431 SGD
$2,683 USD
View
11 more retailers have this diamond
Prices start from $1,886 SGDSave up to $1,545 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.

A
0.80ct Marquise
$1,886 SGD