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Marquise|Natural|GIA

1.30ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 7551663028

Certificate GIA 7551663028

Diamond specifications and retailer prices

From $4,602 SGD
As of November 6, 2026
Save $4,814 SGD (51%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $9,416 SGD 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 $4,602 to $9,416, a $4,814 spread on the same certified stone. NZ Jewellers lists it at $9,416. 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: $9,416 SGD|Low: $3,763 SGD|High: $9,416 SGD|Avg: $5,979 SGD
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$3,763 SGD
Retailer 12$4,602 SGD
Retailer 10$4,842 SGD
Retailer 3$5,125 SGD
Retailer 11$5,266 SGD
Retailer 8$5,380 SGD
Retailer 9$5,380 SGD
Retailer 5$5,527 SGD
Retailer 2$5,791 SGD
Retailer 7$7,890 SGD
Retailer 6$9,014 SGD
NZ Jewellers$9,416 SGD

28 data points across 12 retailers

11 retailers$4,602 SGD to $9,416 SGD

B+
Cheapest Retailer
-
$4,602 SGD
B+
Retailer 2
-
$4,842 SGD
View
B+
Retailer 3
-
$5,125 SGD
View
B+
Retailer 4
-
$5,266 SGD
View
B+
Retailer 5
-
$5,380 SGD
View
B+
Retailer 6
-
$5,380 SGD
View
B+
Retailer 7
-
$5,527 SGD
View
B+
Retailer 8
-
$5,791 SGD
View
B
Retailer 9
-
$7,890 SGD
View
B
Retailer 10
-
$9,014 SGD
View
Most Expensive
B
NZ Jewellers
d59c58bd-2a71-439a-88d1-f0f399ee09e3 · Nov 5
$9,416 SGD
$7,372 USD
View
10 more retailers have this diamond
Prices start from $4,602 SGDSave up to $4,814 SGD

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
$4,602 SGD