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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 $2,343 NZD
HK$10,300 HKD
As of November 1, 2026
Save $5,278 NZD (69%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,621 NZD 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 $2,343 to $7,621, a $5,278 spread on the same certified stone. NZ Jewellers lists it at $7,621. 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
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: Nov 1
Current: $7,621 NZD|Low: $2,320 NZD|High: $8,213 NZD|Avg: $3,755 NZD|-7.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 7$2,343 NZD
Retailer 2$2,353 NZD
Retailer 3$2,486 NZD
Retailer 10$2,920 NZD
Retailer 8$3,124 NZD
Retailer 11$3,252 NZD
Retailer 9$3,268 NZD
Retailer 4$3,939 NZD
Retailer 5$3,991 NZD
Retailer 6$5,474 NZD
NZ Jewellers$7,621 NZD

30 data points across 11 retailers

11 retailers$2,343 NZD to $7,621 NZD

A
Cheapest Retailer
-
$2,343 NZD
HK$10,300 HKD
A
Retailer 2
-
$2,353 NZD
₹126,068 INR
View
A
Retailer 3
-
$2,486 NZD
$1,399 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,920 NZD
$1,643 USD
View
B+
Retailer 5
-
$3,124 NZD
$1,758 USD
View
B+
Retailer 6
-
$3,252 NZD
SGD 2,473 SGD
View
B+
Retailer 7
-
$3,268 NZD
$1,839 USD
View
B+
Retailer 8
-
$3,939 NZD
£1,745 GBP
View
B+
Retailer 9
-
$3,991 NZD
£1,768 GBP
View
B
Retailer 10
-
$5,474 NZD
£2,425 GBP
View
Most Expensive
B
NZ Jewellers
aa8fbb88-aa5f-4323-a04f-31868a33bf3a · Oct 30
$7,621 NZD
$4,288 USD
View
10 more retailers have this diamond
Prices start from $2,343 NZDSave up to $5,278 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
$2,343 NZD