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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6551278764

Certificate GIA 6551278764

Diamond specifications and retailer prices

From $2,026 NZD
As of November 6, 2026
Save $4,341 NZD (68%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,367 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.03ct natural marquise diamond

This 1.03ct natural marquise sits in the classic one-carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551278764. Listed at 17 retailers as of November 5, 2026, with prices from $2,026 to $6,367, a $4,341 spread on the same certified stone. NZ Jewellers lists it at $6,367. 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

1.03
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6551278764
Dimensions10.35 × 5.16 × 3.31 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
10.35 mm5.16 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551278764
Side View
Table 61.0%CrownGirdle: THK-ETKPavilionCulet: NoneDepth 64.1%

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 6
Current: $2,670 NZD|Low: $2,026 NZD|High: $4,597 NZD|Avg: $2,985 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$2,026 NZD
Retailer 7$2,092 NZD
Retailer 1$2,670 NZD
Retailer 9$2,725 NZD
Retailer 2$2,731 NZD
Retailer 3$2,882 NZD
Retailer 5$2,882 NZD
Retailer 10$3,442 NZD
Retailer 4$3,615 NZD
Retailer 6$4,561 NZD

29 data points across 10 retailers

17 retailers$2,026 NZD to $6,367 NZD

A
Cheapest Retailer
-
$2,026 NZD
A
Retailer 2
-
$2,092 NZD
View
A
Retailer 3
-
$2,419 NZD
View
B+
Retailer 4
-
$2,610 NZD
View
Retailer 5
-
$2,610 NZD
View
Price last confirmed 8 days ago
A
Retailer 6
-
$2,670 NZD
View
A
Retailer 7
-
$2,725 NZD
View
B+
Retailer 8
-
$2,731 NZD
View
B+
Retailer 9
-
$2,784 NZD
View
B+
Retailer 10
-
$2,882 NZD
View
A
Retailer 11
-
$2,882 NZD
View
B+
Retailer 12
-
$3,012 NZD
View
B+
Retailer 13
-
$3,442 NZD
View
B+
Retailer 14
-
$3,615 NZD
View
B+
Retailer 15
-
$3,990 NZD
View
B+
Retailer 16
-
$4,561 NZD
View
Most Expensive
B
NZ Jewellers
bd7bb135-aa6a-4cf1-ab98-94b077c77aa8 · Nov 5
$6,367 NZD
$3,579 USD
View
16 more retailers have this diamond
Prices start from $2,026 NZDSave up to $4,341 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
1.03ct Marquise
$2,026 NZD