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Marquise|Natural|GIA

1.20ct D I1 Marquise Natural Diamond

EX • D/I1 • GIA 2554200645

Certificate GIA 2554200645

Diamond specifications and retailer prices

From $6,199 NZD
$3,488 USD
As of November 1, 2026
Save $6,077 NZD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $12,276 NZD at NZ Jewellers · As of October 30, 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 D colour (colourless) and I1 clarity (included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554200645. Listed at 7 retailers as of October 30, 2026, with prices from $6,199 to $12,276, a $6,077 spread on the same certified stone. NZ Jewellers lists it at $12,276. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.20
Carat
D
Colour
I1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2554200645
Dimensions10.45 × 5.35 × 3.43 mm
L/W Ratio1.95
Top View
10.45 mm5.35 mm1.20 ctD / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2554200645
Side View
Table 55.0%CrownGirdle: MED-ETKPavilionCulet: NoneDepth 64.1%

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 1
Current: $12,276 NZD|Low: $6,199 NZD|High: $12,797 NZD|Avg: $8,194 NZD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 2, 2026
Retailer 7$6,199 NZD
Retailer 8$6,594 NZD
Retailer 3$7,045 NZD
Retailer 4$7,045 NZD
Retailer 6$7,045 NZD
Retailer 2$7,972 NZD
Retailer 5$8,129 NZD
Retailer 9$9,906 NZD
NZ Jewellers$12,276 NZD

24 data points across 9 retailers

7 retailers$6,199 NZD to $12,276 NZD

B+
Cheapest Retailer
-
$6,199 NZD
$3,488 USD
B+
Retailer 2
-
$7,045 NZD
$3,964 USD
View
B+
Retailer 3
-
$7,045 NZD
$3,964 USD
View
B+
Retailer 4
-
$7,045 NZD
$3,964 USD
View
B+
Retailer 5
-
$7,972 NZD
€4,272 EUR
View
B+
Retailer 6
-
$8,129 NZD
$4,574 USD
View
Most Expensive
B
NZ Jewellers
faea9b6e-07c3-4408-892c-43c515d854ef · Oct 30
$12,276 NZD
$6,907 USD
View
6 more retailers have this diamond
Prices start from $6,199 NZDSave up to $6,077 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
$6,199 NZD