Marquise|Natural|GIA

1.00ct F SI1 Marquise Natural Diamond

EX • F/SI1 • GIA 2558742549

Certificate GIA 2558742549

Diamond specifications and retailer prices

From $5,490 NZD
$3,089 USD
As of October 31, 2026
Save $6,953 NZD (56%) vs most expensive(unlock to see where)
34 retailers carry this diamond
Most expensive: $12,443 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct natural marquise sits in the classic 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 2558742549. Listed at 34 retailers as of October 30, 2026, with prices from $5,490 to $12,443, a $6,953 spread on the same certified stone. NZ Jewellers lists it at $12,443. 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

1.00
Carat
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2558742549
Dimensions9.82 × 5.17 × 3.28 mm
L/W Ratio1.90
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
9.82 mm5.17 mm1.00 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2558742549
Side View
Table 62.0%CrownGirdle: THN-VTKPavilionCulet: NoneDepth 63.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $12,443 NZD|Low: $4,667 NZD|High: $12,443 NZD|Avg: $7,160 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
Retailer 28
Retailer 29
Retailer 30
Retailer 31
Retailer 32
Retailer 33
Retailer 34
November 2, 2026
Retailer 28$4,681 NZD
Retailer 7$5,490 NZD
Retailer 33$5,503 NZD
Retailer 5$5,563 NZD
Retailer 4$5,629 NZD
Retailer 32$5,630 NZD
Retailer 16$5,744 NZD
Retailer 19$5,972 NZD
Retailer 27$6,208 NZD
Retailer 15$6,212 NZD
Retailer 17$6,333 NZD
Retailer 6$6,471 NZD
Retailer 31$6,471 NZD
Retailer 12$6,475 NZD
Retailer 22$6,663 NZD
Retailer 9$6,720 NZD
Retailer 20$6,766 NZD
Retailer 21$6,905 NZD
Retailer 8$6,914 NZD
Retailer 2$6,967 NZD
Retailer 10$7,038 NZD
Retailer 24$7,246 NZD
Retailer 23$7,248 NZD
Retailer 11$7,322 NZD
Retailer 34$7,322 NZD
Retailer 14$7,466 NZD
Retailer 3$7,554 NZD
Retailer 18$7,630 NZD
Retailer 13$7,873 NZD
Retailer 30$8,779 NZD
Retailer 26$9,390 NZD
Retailer 25$10,323 NZD
Retailer 29$11,945 NZD
NZ Jewellers$12,443 NZD

25 data points across 34 retailers

34 retailers$5,490 NZD to $12,443 NZD

Retailer 1
-
$4,368 NZD
HK$19,200 HKD
Price last confirmed 31 days ago
Retailer 2
-
$5,222 NZD
$2,938 USD
View
Price last confirmed 46 days ago
B+
Retailer 3
-
$5,490 NZD
$3,089 USD
View
B+
Retailer 4
-
$5,503 NZD
$3,096 USD
View
B+
Retailer 5
-
$5,563 NZD
$3,130 USD
View
B+
Retailer 6
-
$5,629 NZD
$3,167 USD
View
B+
Retailer 7
-
$5,630 NZD
$3,168 USD
View
B+
Retailer 8
-
$5,744 NZD
$3,232 USD
View
B+
Retailer 9
-
$5,972 NZD
$3,360 USD
View
Final sale: no returns
Retailer 10
-
$6,208 NZD
A$5,374 AUD
View
Price last confirmed 33 days ago
B+
Retailer 11
-
$6,212 NZD
$3,495 USD
View
B+
Retailer 12
-
$6,333 NZD
CA$4,949 CAD
View
B+
Retailer 13
-
$6,471 NZD
$3,641 USD
View
B+
Retailer 14
-
$6,471 NZD
$3,641 USD
View
B+
Retailer 15
-
$6,475 NZD
$3,643 USD
View
Retailer 16
-
$6,663 NZD
$3,749 USD
View
Price last confirmed 18 days ago
B+
Retailer 17
-
$6,720 NZD
$3,781 USD
View
B+
Retailer 18
-
$6,766 NZD
$3,807 USD
View
B
Retailer 19
-
$6,905 NZD
$3,885 USD
View
B
Retailer 20
-
$6,914 NZD
$3,890 USD
View
B+
Retailer 21
-
$6,967 NZD
£3,086 GBP
View
B
Retailer 22
-
$7,038 NZD
$3,960 USD
View
B+
Retailer 23
-
$7,246 NZD
£3,210 GBP
View
B+
Retailer 24
-
$7,248 NZD
$4,078 USD
View
B+
Retailer 25
-
$7,322 NZD
$4,120 USD
View
B+
Retailer 26
-
$7,322 NZD
$4,120 USD
View
B+
Retailer 27
-
$7,466 NZD
$4,201 USD
View
B
Retailer 28
-
$7,554 NZD
$4,250 USD
View
B
Retailer 29
-
$7,630 NZD
$4,293 USD
View
B+
Retailer 30
-
$7,873 NZD
€4,219 EUR
View
B
Retailer 31
-
$8,779 NZD
ZAR 79,802 ZAR
View
B
Retailer 32
-
$10,323 NZD
$5,808 USD
View
Price last confirmed 7 days ago
B
Retailer 33
-
$11,945 NZD
£5,292 GBP
View
Most Expensive
B
NZ Jewellers
36cae81a-756a-49e3-a00f-d328032eb3c2 · Oct 30
$12,443 NZD
$7,001 USD
View
33 more retailers have this diamond
Prices start from $5,490 NZDSave up to $6,953 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.

B+
1.00ct Marquise
$5,490 NZD