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Marquise|Natural|GIA

1.20ct J SI1 Marquise Natural Diamond

ID • J/SI1 • GIA 5553606199

Certificate GIA 5553606199

Diamond specifications and retailer prices

From $5,792 NZD
As of November 5, 2026
Save $7,686 NZD (57%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $13,479 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 J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5553606199. Listed at 26 retailers as of November 5, 2026, with prices from $5,792 to $13,479, a $7,686 spread on the same certified stone. NZ Jewellers lists it at $13,479. 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
J
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishVery Good
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5553606199
Dimensions10.07 × 5.57 × 3.48 mm
L/W Ratio1.81
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Feather, Indented Natural, Cloud, Crystal, Cavity, Natural
Top View
10.07 mm5.57 mm1.20 ctJ / SI1
OriginNatural
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 5553606199
Side View
Table 62.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 62.5%

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: $13,479 NZD|Low: $4,917 NZD|High: $13,479 NZD|Avg: $7,325 NZD|+3.8%
NZ Jewellers
Retailer 2
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Retailer 23
Retailer 24
Retailer 25
Retailer 26
Retailer 27
November 6, 2026
Retailer 20$4,917 NZD
Retailer 14$5,616 NZD
Retailer 22$5,792 NZD
Retailer 12$6,097 NZD
Retailer 27$6,296 NZD
Retailer 26$6,456 NZD
Retailer 6$6,469 NZD
Retailer 15$6,608 NZD
Retailer 5$6,701 NZD
Retailer 18$6,839 NZD
Retailer 23$7,010 NZD
Retailer 17$7,060 NZD
Retailer 21$7,160 NZD
Retailer 11$7,452 NZD
Retailer 8$7,465 NZD
Retailer 2$7,506 NZD
Retailer 16$7,717 NZD
Retailer 25$7,805 NZD
Retailer 7$7,919 NZD
Retailer 24$7,919 NZD
Retailer 19$7,941 NZD
Retailer 13$8,087 NZD
Retailer 3$8,172 NZD
Retailer 9$8,175 NZD
Retailer 10$8,401 NZD
Retailer 4$12,389 NZD
NZ Jewellers$13,479 NZD

24 data points across 27 retailers

26 retailers$5,792 NZD to $13,479 NZD

Retailer 1
-
$4,917 NZD
Price last confirmed 30 days ago
Retailer 2
-
$5,616 NZD
View
Price last confirmed 23 days ago
B+
Retailer 3
-
$5,792 NZD
View
B+
Retailer 4
-
$6,097 NZD
View
Retailer 5
-
$6,296 NZD
View
Price last confirmed 17 days ago
B+
Retailer 6
-
$6,469 NZD
View
Final sale: no returns
B
Retailer 7
-
$6,701 NZD
View
Retailer 8
-
$6,839 NZD
View
Price last confirmed 37 days ago
Retailer 9
-
$6,909 NZD
View
Price last confirmed 32 days ago
Retailer 10
-
$6,945 NZD
View
Price last confirmed 32 days ago
B
Retailer 11
-
$7,010 NZD
View
Retailer 12
-
$7,060 NZD
View
Price last confirmed 34 days ago
B
Retailer 13
-
$7,160 NZD
View
Retailer 14
-
$7,452 NZD
View
Price last confirmed 22 days ago
B
Retailer 15
-
$7,465 NZD
View
B
Retailer 16
-
$7,506 NZD
View
Retailer 17
-
$7,717 NZD
View
Price last confirmed 22 days ago
Retailer 18
-
$7,805 NZD
View
Price last confirmed 16 days ago
B
Retailer 19
-
$7,919 NZD
View
B
Retailer 20
-
$7,919 NZD
View
Retailer 21
-
$7,941 NZD
View
Price last confirmed 38 days ago
B
Retailer 22
-
$8,087 NZD
View
B
Retailer 23
-
$8,172 NZD
View
B
Retailer 24
-
$8,175 NZD
View
Retailer 25
-
$12,389 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
NZ Jewellers
5280c123-4502-4cb1-bf1a-66867a5a9419 · Nov 5
$13,479 NZD
$7,472 USD
View
25 more retailers have this diamond
Prices start from $5,792 NZDSave up to $7,686 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
$5,792 NZD