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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 $2,888 AUD
As of November 6, 2026
Save $4,493 AUD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,381 AUD 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 $2,888 to $7,381, a $4,493 spread on the same certified stone. NZ Jewellers lists it at $7,381. 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: $7,381 AUD|Low: $2,846 AUD|High: $7,381 AUD|Avg: $4,010 AUD
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$2,888 AUD
Retailer 12$2,971 AUD
Retailer 3$3,118 AUD
Retailer 10$3,198 AUD
Retailer 11$3,198 AUD
Retailer 5$3,273 AUD
Retailer 8$3,346 AUD
Retailer 2$3,611 AUD
Retailer 9$3,690 AUD
Retailer 4$4,200 AUD
Retailer 6$4,384 AUD
Retailer 7$6,168 AUD
NZ Jewellers$7,381 AUD

22 data points across 13 retailers

12 retailers$2,888 AUD to $7,381 AUD

B+
Cheapest Retailer
-
$2,888 AUD
Retailer 2
-
$2,971 AUD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
$3,118 AUD
View
B+
Retailer 4
-
$3,198 AUD
View
Retailer 5
-
$3,198 AUD
View
Price last confirmed 25 days ago
B
Retailer 6
-
$3,273 AUD
View
B
Retailer 7
-
$3,346 AUD
View
B
Retailer 8
-
$3,611 AUD
View
B
Retailer 9
-
$3,690 AUD
View
B
Retailer 10
-
$4,384 AUD
View
C
Retailer 11
-
$6,168 AUD
View
Most Expensive
C
NZ Jewellers
c98f2fa8-370e-4813-9564-951e38d92dec · Nov 5
$7,381 AUD
$5,167 USD
View
11 more retailers have this diamond
Prices start from $2,888 AUDSave up to $4,493 AUD

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
$2,888 AUD