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Marquise|Natural|GIA

1.00ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 6565065985

Certificate GIA 6565065985

Diamond specifications and retailer prices

From $1,732 SGD
As of November 6, 2026
Save $3,898 SGD (69%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $5,630 SGD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1ct natural marquise diamond

This 1ct 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 6565065985. Listed at 15 retailers as of November 5, 2026, with prices from $1,732 to $5,630, a $3,898 spread on the same certified stone. NZ Jewellers lists it at $5,630. 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

1.00
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 6565065985
Dimensions10.23 × 4.90 × 3.20 mm
L/W Ratio2.09
Girdle conditionFaceted
Culet sizeNone
Top View
10.23 mm4.90 mm1.00 ctK / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceFaint
CertificateGIA 6565065985
Side View
Table 58.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 65.3%

Caratlytics Score

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

Price History

Last verified: Nov 6
Current: $1,736 SGD|Low: $1,717 SGD|High: $4,092 SGD|Avg: $2,486 SGD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$1,732 SGD
Retailer 1$1,736 SGD
Retailer 5$2,097 SGD
Retailer 4$2,124 SGD
Retailer 2$2,403 SGD
Retailer 9$2,415 SGD
Retailer 3$2,587 SGD
Retailer 6$3,140 SGD
Retailer 7$4,044 SGD

34 data points across 9 retailers

15 retailers$1,732 SGD to $5,630 SGD

A
Cheapest Retailer
-
$1,732 SGD
A
Retailer 2
-
$1,736 SGD
View
A
Retailer 3
-
$2,097 SGD
View
A
Retailer 4
-
$2,124 SGD
View
B+
Retailer 5
-
$2,308 SGD
View
B+
Retailer 6
-
$2,403 SGD
View
B+
Retailer 7
-
$2,415 SGD
View
B+
Retailer 8
-
$2,455 SGD
View
B+
Retailer 9
-
$2,504 SGD
View
B+
Retailer 10
-
$2,587 SGD
View
B+
Retailer 11
-
$2,663 SGD
View
B
Retailer 12
-
$3,140 SGD
View
B
Retailer 13
-
$3,338 SGD
View
B
Retailer 14
-
$4,044 SGD
View
Most Expensive
C
NZ Jewellers
1e0d0309-ffd9-4a9c-90de-614694cb2360 · Nov 5
$5,630 SGD
$4,408 USD
View
14 more retailers have this diamond
Prices start from $1,732 SGDSave up to $3,898 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.

A
1.00ct Marquise
$1,732 SGD