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Marquise|Natural|GIA

1.01ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 2151015337

Certificate GIA 2151015337

Diamond specifications and retailer prices

From $2,583 SGD
As of November 6, 2026
Save $4,017 SGD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,600 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2151015337. Listed at 12 retailers as of November 5, 2026, with prices from $2,583 to $6,600, a $4,017 spread on the same certified stone. NZ Jewellers lists it at $6,600. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishGood
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151015337
Dimensions9.81 × 4.75 × 3.59 mm
L/W Ratio2.07
Top View
9.81 mm4.75 mm1.01 ctK / SI2
OriginNatural
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateGIA 2151015337
Side View
Table 51.0%CrownGirdle: ThinPavilionCulet: NoneDepth 75.7%

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: $6,600 SGD|Low: $2,544 SGD|High: $6,600 SGD|Avg: $3,585 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
November 6, 2026
Retailer 13$2,583 SGD
Retailer 12$2,657 SGD
Retailer 3$2,788 SGD
Retailer 10$2,860 SGD
Retailer 11$2,860 SGD
Retailer 5$2,926 SGD
Retailer 8$2,991 SGD
Retailer 2$3,229 SGD
Retailer 9$3,299 SGD
Retailer 4$3,755 SGD
Retailer 6$3,920 SGD
Retailer 7$5,515 SGD
NZ Jewellers$6,600 SGD

22 data points across 13 retailers

12 retailers$2,583 SGD to $6,600 SGD

B+
Cheapest Retailer
-
$2,583 SGD
Retailer 2
-
$2,657 SGD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
$2,788 SGD
View
B+
Retailer 4
-
$2,860 SGD
View
Retailer 5
-
$2,860 SGD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$2,926 SGD
View
B
Retailer 7
-
$2,991 SGD
View
B
Retailer 8
-
$3,229 SGD
View
B
Retailer 9
-
$3,299 SGD
View
B
Retailer 10
-
$3,920 SGD
View
C
Retailer 11
-
$5,515 SGD
View
Most Expensive
C
NZ Jewellers
c98f2fa8-370e-4813-9564-951e38d92dec · Nov 5
$6,600 SGD
$5,167 USD
View
11 more retailers have this diamond
Prices start from $2,583 SGDSave up to $4,017 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
$2,583 SGD