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Marquise|Natural|GIA

0.80ct H SI2 Marquise Natural Diamond

EX • H/SI2 • GIA 5242028344

Certificate GIA 5242028344

Diamond specifications and retailer prices

From $1,690 SGD
As of October 31, 2026
Save $1,357 SGD (45%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,048 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 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 5242028344. Listed at 12 retailers as of October 31, 2026, with prices from $1,690 to $3,048, a $1,357 spread on the same certified stone. Helzberg Diamonds lists it at $3,048. 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
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle38.84°
Pavilion angle40.57°
OriginNatural
Grading LabGIA
CertificateGIA 5242028344
Dimensions9.24 × 4.79 × 3.02 mm
L/W Ratio1.93
Culet sizeNone
Top View
9.24 mm4.79 mm0.80 ctH / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 5242028344
Side View
Table 59.0%Crown 38.84°Girdle: MED-VTKPavilion 40.57°Culet: NoneDepth 63.0%

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: $3,048 SGD|Low: $1,690 SGD|High: $3,140 SGD|Avg: $2,120 SGD|-2.9%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 8$1,690 SGD
Retailer 9$1,700 SGD
Retailer 7$1,720 SGD
Retailer 11$1,729 SGD
Retailer 3$1,851 SGD
Retailer 5$1,885 SGD
Retailer 10$2,067 SGD
Retailer 6$2,133 SGD
Retailer 4$2,348 SGD
Retailer 2$2,445 SGD
Retailer 12$2,737 SGD
Helzberg Diamonds$3,048 SGD

31 data points across 12 retailers

12 retailers$1,690 SGD to $3,048 SGD

A
Cheapest Retailer
-
$1,690 SGD
A
Retailer 2
-
$1,700 SGD
$1,329 USD
View
A
Retailer 3
-
$1,720 SGD
$1,345 USD
View
A
Retailer 4
-
$1,729 SGD
$1,352 USD
View
A
Retailer 5
-
$1,851 SGD
View
A
Retailer 6
-
$1,885 SGD
£1,160 GBP
View
B+
Retailer 7
-
$2,067 SGD
$1,616 USD
View
B+
Retailer 8
-
$2,133 SGD
$1,668 USD
View
B+
Retailer 9
-
$2,348 SGD
$1,836 USD
View
B+
Retailer 10
-
$2,445 SGD
€1,821 EUR
View
B
Retailer 11
-
$2,737 SGD
$2,140 USD
View
Most Expensive
B
Helzberg Diamonds
XZRLIKIGIOJKK · Nov 2
$3,048 SGD
$2,383 USD
View
11 more retailers have this diamond
Prices start from $1,690 SGDSave up to $1,357 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
$1,690 SGD