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Marquise|Natural|GIA

0.80ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2245093253

Certificate GIA 2245093253

Diamond specifications and retailer prices

From HK$13,975 HKD
SGD 2,407 SGD
As of October 31, 2026
Save HK$11,736 HKD (46%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: HK$25,712 HKD 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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2245093253. Listed at 14 retailers as of October 31, 2026, with prices from HK$13,975 to HK$25,712, a HK$11,736 spread on the same certified stone. Helzberg Diamonds lists it at HK$25,712. 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
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.36°
Pavilion angle38.36°
OriginNatural
Grading LabGIA
CertificateGIA 2245093253
Dimensions9.34 × 4.90 × 2.91 mm
L/W Ratio1.91
Culet sizeNone
Top View
9.34 mm4.90 mm0.80 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245093253
Side View
Table 58.0%Crown 36.36°Girdle: MED-VTKPavilion 38.36°Culet: NoneDepth 59.4%

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: HK$25,712 HKD|Low: HK$14,225 HKD|High: HK$25,712 HKD|Avg: HK$17,858 HKD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 11HK$14,225 HKD
Retailer 4HK$14,347 HKD
Retailer 8HK$14,398 HKD
Retailer 12HK$14,507 HKD
Retailer 10HK$15,613 HKD
Retailer 2HK$15,852 HKD
Retailer 13HK$17,136 HKD
Retailer 7HK$17,991 HKD
Retailer 5HK$18,492 HKD
Retailer 6HK$20,217 HKD
Retailer 9HK$21,867 HKD
Retailer 3HK$23,089 HKD
Helzberg DiamondsHK$25,712 HKD

21 data points across 13 retailers

14 retailersHK$13,975 HKD to HK$25,712 HKD

A
Cheapest Retailer
-
HK$13,975 HKD
SGD 2,407 SGD
A
Retailer 2
-
HK$14,225 HKD
$1,813 USD
View
A
Retailer 3
-
HK$14,347 HKD
$1,829 USD
View
A
Retailer 4
-
HK$14,398 HKD
$1,835 USD
View
A
Retailer 5
-
HK$14,507 HKD
$1,849 USD
View
B+
Retailer 6
-
HK$15,613 HKD
SGD 2,689 SGD
View
B+
Retailer 7
-
HK$15,852 HKD
£1,591 GBP
View
B+
Retailer 8
-
HK$17,136 HKD
$2,184 USD
View
B+
Retailer 9
-
HK$17,991 HKD
$2,293 USD
View
B+
Retailer 10
-
HK$18,492 HKD
$2,357 USD
View
B+
Retailer 11
-
HK$20,217 HKD
€2,454 EUR
View
B
Retailer 12
-
HK$21,867 HKD
$2,787 USD
View
B
Retailer 13
-
HK$23,089 HKD
$2,943 USD
View
Price last confirmed 7 days ago
Most Expensive
B
Helzberg Diamonds
XZRIIKLGPJILJ · Nov 2
HK$25,712 HKD
$3,277 USD
View
13 more retailers have this diamond
Prices start from HK$13,975 HKDSave up to HK$11,736 HKD

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
HK$13,975 HKD