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Marquise|Natural|GIA

1.20ct K SI2 Marquise Natural Diamond

EX • K/SI2 • GIA 1555950034

Certificate GIA 1555950034

Diamond specifications and retailer prices

From $4,829 NZD
As of November 5, 2026
Save $5,543 NZD (53%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $10,372 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.2ct natural marquise diamond

This 1.2ct 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 1555950034. Listed at 13 retailers as of November 5, 2026, with prices from $4,829 to $10,372, a $5,543 spread on the same certified stone. NZ Jewellers lists it at $10,372. 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

1.20
Carat
K
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1555950034
Dimensions11.01 × 5.47 × 3.30 mm
L/W Ratio2.01
Girdle conditionFaceted
Culet sizeNone
Top View
11.01 mm5.47 mm1.20 ctK / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateGIA 1555950034
Side View
Table 63.0%CrownGirdle: THN-ETKPavilionCulet: NoneDepth 60.3%

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 5
Current: $6,090 NZD|Low: $4,829 NZD|High: $10,077 NZD|Avg: $6,183 NZD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 6$4,829 NZD
Retailer 5$4,898 NZD
Retailer 7$5,065 NZD
Retailer 9$5,394 NZD
Retailer 8$5,601 NZD
Retailer 1$6,090 NZD
Retailer 3$6,160 NZD
Retailer 2$6,521 NZD
Retailer 4$9,930 NZD

43 data points across 9 retailers

13 retailers$4,829 NZD to $10,372 NZD

B+
Cheapest Retailer
-
$4,829 NZD
B+
Retailer 2
-
$4,898 NZD
View
B+
Retailer 3
-
$5,065 NZD
View
B
Retailer 4
-
$5,394 NZD
View
Retailer 5
-
$5,394 NZD
View
Price last confirmed 8 days ago
B
Retailer 6
-
$5,601 NZD
View
B+
Retailer 7
-
$6,090 NZD
View
B+
Retailer 8
-
$6,160 NZD
View
B
Retailer 9
-
$6,223 NZD
View
B
Retailer 10
-
$6,521 NZD
View
Retailer 11
-
$6,905 NZD
View
Price last confirmed 14 days ago
B
Retailer 12
-
$9,930 NZD
View
Most Expensive
C
NZ Jewellers
bd7e5fc3-cc88-4599-9f95-a01c6d533cfe · Nov 5
$10,372 NZD
$5,750 USD
View
12 more retailers have this diamond
Prices start from $4,829 NZDSave up to $5,543 NZD

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+
1.20ct Marquise
$4,829 NZD