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Marquise|Natural|GIA

1.30ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $9,427 SGD
As of November 6, 2026
Save $11,834 SGD (56%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $21,262 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 D 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. Listed at 11 retailers as of November 5, 2026, with prices from $9,427 to $21,262, a $11,834 spread on the same certified stone. NZ Jewellers lists it at $21,262. 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
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.86 × 5.78 × 3.59 mm
L/W Ratio1.88
Top View
10.86 mm5.78 mm1.30 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 66.0%CrownGirdle: Slightly ThickPavilionCulet: NoneDepth 62.1%

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: $21,262 SGD|Low: $9,427 SGD|High: $21,262 SGD|Avg: $12,586 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10$9,427 SGD
Retailer 3$10,553 SGD
Retailer 7$10,631 SGD
Retailer 4$11,516 SGD
Retailer 5$11,586 SGD
Retailer 9$11,695 SGD
Retailer 2$12,333 SGD
Retailer 6$12,872 SGD
Retailer 8$13,289 SGD
NZ Jewellers$21,262 SGD

23 data points across 10 retailers

11 retailers$9,427 SGD to $21,262 SGD

B+
Cheapest Retailer
-
$9,427 SGD
B+
Retailer 2
-
$10,553 SGD
View
Retailer 3
-
$10,631 SGD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$11,516 SGD
View
Retailer 5
-
$11,516 SGD
View
Price last confirmed 18 days ago
B+
Retailer 6
-
$11,586 SGD
View
B+
Retailer 7
-
$11,695 SGD
View
B+
Retailer 8
-
$12,333 SGD
View
B
Retailer 9
-
$12,872 SGD
View
B
Retailer 10
-
$13,289 SGD
View
Most Expensive
B
NZ Jewellers
81ccaa88-9aa9-4f74-bbe3-acf8d5105e5d · Nov 5
$21,262 SGD
$16,590 USD
View
10 more retailers have this diamond
Prices start from $9,427 SGDSave up to $11,834 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
$9,427 SGD