Marquise|Natural|GIA

1.30ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551663028

Certificate GIA 7551663028

Diamond specifications and retailer prices

From $6,499 NZD
As of November 6, 2026
Save $6,799 NZD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $13,298 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.3ct natural marquise diamond

This 1.3ct natural marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7551663028. Listed at 11 retailers as of November 5, 2026, with prices from $6,499 to $13,298, a $6,799 spread on the same certified stone. NZ Jewellers lists it at $13,298. 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

1.30
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7551663028
Dimensions11.05 × 5.68 × 3.57 mm
L/W Ratio1.95
Culet sizeNone
Top View
11.05 mm5.68 mm1.30 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 7551663028
Side View
Table 58.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.9%

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: Nov 6
Current: $13,298 NZD|Low: $5,314 NZD|High: $13,298 NZD|Avg: $8,444 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
November 6, 2026
Retailer 4$5,314 NZD
Retailer 12$6,499 NZD
Retailer 10$6,839 NZD
Retailer 3$7,237 NZD
Retailer 11$7,437 NZD
Retailer 8$7,598 NZD
Retailer 9$7,598 NZD
Retailer 5$7,805 NZD
Retailer 2$8,179 NZD
Retailer 7$11,143 NZD
Retailer 6$12,730 NZD
NZ Jewellers$13,298 NZD

28 data points across 12 retailers

11 retailers$6,499 NZD to $13,298 NZD

B+
Cheapest Retailer
-
$6,499 NZD
B+
Retailer 2
-
$6,839 NZD
View
B+
Retailer 3
-
$7,237 NZD
View
B+
Retailer 4
-
$7,437 NZD
View
B+
Retailer 5
-
$7,598 NZD
View
B+
Retailer 6
-
$7,598 NZD
View
B+
Retailer 7
-
$7,805 NZD
View
B+
Retailer 8
-
$8,179 NZD
View
B
Retailer 9
-
$11,143 NZD
View
B
Retailer 10
-
$12,730 NZD
View
Most Expensive
B
NZ Jewellers
d59c58bd-2a71-439a-88d1-f0f399ee09e3 · Nov 5
$13,298 NZD
$7,372 USD
View
10 more retailers have this diamond
Prices start from $6,499 NZDSave up to $6,799 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+
1.30ct Marquise
$6,499 NZD