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Marquise|Natural|GIA

1.20ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 6542897393

Certificate GIA 6542897393

Diamond specifications and retailer prices

From $7,208 NZD
As of November 6, 2026
Save $9,097 NZD (56%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $16,305 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 G 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 6542897393. Listed at 19 retailers as of November 5, 2026, with prices from $7,208 to $16,305, a $9,097 spread on the same certified stone. NZ Jewellers lists it at $16,305. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle36.57°
Pavilion angle40.33°
OriginNatural
Grading LabGIA
CertificateGIA 6542897393
Dimensions9.88 × 5.55 × 3.62 mm
L/W Ratio1.78
Top View
9.88 mm5.55 mm1.20 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6542897393
Side View
Table 58.0%Crown 36.57°Girdle: Thick - Very ThickPavilion 40.33°Culet: NoneDepth 65.2%

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: $16,305 NZD|Low: $7,208 NZD|High: $16,305 NZD|Avg: $10,145 NZD
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 7, 2026
Retailer 15$7,208 NZD
Retailer 5$7,540 NZD
Retailer 8$7,701 NZD
Retailer 9$7,959 NZD
Retailer 7$8,152 NZD
Retailer 6$8,316 NZD
Retailer 11$8,754 NZD
Retailer 4$8,832 NZD
Retailer 17$8,832 NZD
Retailer 20$8,832 NZD
Retailer 2$9,418 NZD
Retailer 13$9,456 NZD
Retailer 10$10,010 NZD
Retailer 18$10,190 NZD
Retailer 12$10,758 NZD
Retailer 19$10,988 NZD
Retailer 14$11,893 NZD
Retailer 3$14,249 NZD
Retailer 16$15,483 NZD
NZ Jewellers$16,305 NZD

20 data points across 20 retailers

19 retailers$7,208 NZD to $16,305 NZD

B+
Cheapest Retailer
-
$7,208 NZD
Retailer 2
-
$7,540 NZD
View
Price last confirmed 10 days ago
B+
Retailer 3
-
$7,701 NZD
View
Retailer 4
-
$7,959 NZD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$8,152 NZD
View
Final sale: no returns
B
Retailer 6
-
$8,316 NZD
View
B+
Retailer 7
-
$8,754 NZD
View
B+
Retailer 8
-
$8,832 NZD
View
Retailer 9
-
$8,832 NZD
View
Price last confirmed 9 days ago
B+
Retailer 10
-
$8,832 NZD
View
B+
Retailer 11
-
$9,418 NZD
View
B+
Retailer 12
-
$9,456 NZD
View
B
Retailer 13
-
$10,010 NZD
View
B
Retailer 14
-
$10,190 NZD
View
B
Retailer 15
-
$10,988 NZD
View
B
Retailer 16
-
$11,893 NZD
View
Retailer 17
-
$14,249 NZD
View
Price last confirmed 10 days ago
B
Retailer 18
-
$15,483 NZD
View
Most Expensive
B
NZ Jewellers
bfcf407f-f0da-4af0-9378-9ff0602b0a3e · Nov 5
$16,305 NZD
$9,039 USD
View
18 more retailers have this diamond
Prices start from $7,208 NZDSave up to $9,097 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
$7,208 NZD