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Marquise|Natural|GIA

1.01ct K SI1 Marquise Natural Diamond

EX • K/SI1 • GIA 6445683166

Certificate GIA 6445683166

Diamond specifications and retailer prices

From $3,091 SGD
As of November 1, 2026
Save $3,658 SGD (54%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $6,749 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.01ct natural marquise diamond

This 1.01ct natural marquise sits in the classic one-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 6445683166. Listed at 16 retailers as of November 1, 2026, with prices from $3,091 to $6,749, a $3,658 spread on the same certified stone. NZ Jewellers lists it at $6,749. 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

1.01
Carat
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle37.48°
Pavilion angle39.68°
OriginNatural
Grading LabGIA
CertificateGIA 6445683166
Dimensions11.02 × 5.14 × 3.04 mm
L/W Ratio2.14
Top View
11.02 mm5.14 mm1.01 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 6445683166
Side View
Table 64.0%Crown 37.48°Girdle: ThickPavilion 39.68°Culet: NoneDepth 59.2%

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 1
Current: $6,749 SGD|Low: $3,091 SGD|High: $6,793 SGD|Avg: $4,338 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
Retailer 13
Retailer 14
Retailer 15
November 6, 2026
Retailer 12$3,091 SGD
Retailer 5$3,143 SGD
Retailer 3$3,155 SGD
Retailer 4$3,297 SGD
Retailer 14$3,449 SGD
Retailer 13$3,510 SGD
Retailer 7$3,636 SGD
Retailer 11$3,644 SGD
Retailer 6$3,809 SGD
Retailer 15$4,049 SGD
Retailer 8$4,101 SGD
Retailer 2$4,241 SGD
Retailer 9$4,729 SGD
Retailer 10$6,461 SGD
NZ Jewellers$6,749 SGD

45 data points across 15 retailers

16 retailers$3,091 SGD to $6,749 SGD

B+
Cheapest Retailer
-
$3,091 SGD
B+
Retailer 2
-
$3,143 SGD
View
B+
Retailer 3
-
$3,155 SGD
View
B+
Retailer 4
-
$3,297 SGD
View
B
Retailer 5
-
$3,449 SGD
View
B
Retailer 6
-
$3,510 SGD
View
Retailer 7
-
$3,636 SGD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$3,644 SGD
View
B
Retailer 9
-
$3,809 SGD
View
B
Retailer 10
-
$4,049 SGD
View
B
Retailer 11
-
$4,101 SGD
View
B
Retailer 12
-
$4,241 SGD
View
Retailer 13
-
$4,658 SGD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$4,729 SGD
View
B
Retailer 15
-
$6,461 SGD
View
Most Expensive
B
NZ Jewellers
5d46a64b-87e1-496b-825a-f5fa6d94c580 · Nov 5
$6,749 SGD
$5,284 USD
View
15 more retailers have this diamond
Prices start from $3,091 SGDSave up to $3,658 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+
1.01ct Marquise
$3,091 SGD