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Marquise|Natural|GIA

1.03ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1558637331

Certificate GIA 1558637331

Diamond specifications and retailer prices

From $2,878 NZD
As of November 4, 2026
Save $4,677 NZD (62%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $7,555 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 1558637331. Listed at 11 retailers as of November 4, 2026, with prices from $2,878 to $7,555, a $4,677 spread on the same certified stone. NZ Jewellers lists it at $7,555. 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
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1558637331
Dimensions10.33 × 5.25 × 3.28 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle
Top View
10.33 mm5.25 mm1.03 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1558637331
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 62.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $7,555 NZD|Low: $2,743 NZD|High: $7,852 NZD|Avg: $3,831 NZD|-3.8%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 3$2,878 NZD
Retailer 10$2,892 NZD
Retailer 9$3,097 NZD
Retailer 11$3,127 NZD
Retailer 2$3,168 NZD
Retailer 7$3,241 NZD
Retailer 4$3,318 NZD
Retailer 5$3,437 NZD
Retailer 8$3,574 NZD
Retailer 6$5,411 NZD
NZ Jewellers$7,555 NZD

35 data points across 11 retailers

11 retailers$2,878 NZD to $7,555 NZD

A
Cheapest Retailer
-
$2,878 NZD
A
Retailer 2
-
$2,892 NZD
View
A
Retailer 3
-
$3,097 NZD
View
Retailer 4
-
$3,127 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$3,168 NZD
View
A
Retailer 6
-
$3,241 NZD
View
A
Retailer 7
-
$3,318 NZD
View
A
Retailer 8
-
$3,437 NZD
View
A
Retailer 9
-
$3,574 NZD
View
B
Retailer 10
-
$5,411 NZD
View
Most Expensive
B
NZ Jewellers
517901f1-8871-46ff-b3a7-85dfedceebc3 · Nov 5
$7,555 NZD
$4,247 USD
View
10 more retailers have this diamond
Prices start from $2,878 NZDSave up to $4,677 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
$2,878 NZD