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Marquise|Natural|GIA

0.80ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6551631658

Certificate GIA 6551631658

Diamond specifications and retailer prices

From $1,842 CAD
HK$10,300 HKD
As of October 31, 2026
Save $4,148 CAD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,990 CAD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551631658. Listed at 11 retailers as of October 30, 2026, with prices from $1,842 to $5,990, a $4,148 spread on the same certified stone. NZ Jewellers lists it at $5,990. 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
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551631658
Dimensions10.46 × 4.57 × 2.83 mm
L/W Ratio2.29
Girdle conditionVery Thick to Extremely Thick
Key to symbols
Twinning Wisp
Top View
10.46 mm4.57 mm0.80 ctH / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551631658
Side View
Table 62.0%CrownGirdle: VTK-XTKPavilionCulet: NoneDepth 61.9%

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: $5,990 CAD|Low: $1,824 CAD|High: $6,455 CAD|Avg: $2,942 CAD|-7.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 4$1,842 CAD
Retailer 2$1,850 CAD
Retailer 3$1,954 CAD
Retailer 10$2,295 CAD
Retailer 8$2,456 CAD
Retailer 11$2,556 CAD
Retailer 9$2,569 CAD
Retailer 6$3,106 CAD
Retailer 5$3,163 CAD
Retailer 7$4,325 CAD
NZ Jewellers$5,990 CAD

31 data points across 11 retailers

11 retailers$1,842 CAD to $5,990 CAD

A
Cheapest Retailer
-
$1,842 CAD
HK$10,300 HKD
A
Retailer 2
-
$1,850 CAD
₹126,136 INR
View
A
Retailer 3
-
$1,954 CAD
$1,399 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,295 CAD
$1,643 USD
View
B+
Retailer 5
-
$2,456 CAD
$1,758 USD
View
B+
Retailer 6
-
$2,556 CAD
SGD 2,473 SGD
View
B+
Retailer 7
-
$2,569 CAD
$1,839 USD
View
B+
Retailer 8
-
$3,106 CAD
£1,751 GBP
View
B+
Retailer 9
-
$3,163 CAD
£1,783 GBP
View
B
Retailer 10
-
$4,325 CAD
£2,438 GBP
View
Most Expensive
B
NZ Jewellers
aa8fbb88-aa5f-4323-a04f-31868a33bf3a · Oct 30
$5,990 CAD
$4,288 USD
View
10 more retailers have this diamond
Prices start from $1,842 CADSave up to $4,148 CAD

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
$1,842 CAD