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Marquise|Natural|GIA

1.20ct D SI2 Marquise Natural Diamond

EX • D/SI2 • GIA 3555523261

Certificate GIA 3555523261

Diamond specifications and retailer prices

From $4,411 USD
As of October 30, 2026
Save $5,478 USD (55%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $9,889 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 3555523261. Listed at 15 retailers as of October 30, 2026, with prices from $4,411 to $9,889, a $5,478 spread on the same certified stone. NZ Jewellers lists it at $9,889. 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
D
Color
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 3555523261
Dimensions10.56 × 5.52 × 3.26 mm
L/W Ratio1.91
Culet sizeNone
Key to symbols
Twinning Wisp, Feather, Indented Natural, Needle
Top View
10.56 mm5.52 mm1.20 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 3555523261
Side View
Table 59.0%CrownGirdle: THK-VTKPavilionCulet: NoneDepth 59.0%

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: Oct 30
Current: $9,889 USD|Low: $4,411 USD|High: $9,889 USD|Avg: $6,169 USD
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
November 2, 2026
Retailer 7$4,411 USD
Retailer 6$4,925 USD
Retailer 11$5,072 USD
Retailer 13$5,307 USD
Retailer 10$5,504 USD
Retailer 14$5,668 USD
Retailer 2$5,775 USD
Retailer 15$5,897 USD
Retailer 4$6,050 USD
Retailer 12$6,050 USD
Retailer 5$6,250 USD
Retailer 9$6,357 USD
Retailer 3$8,649 USD
Retailer 8$8,711 USD
NZ Jewellers$9,889 USD

35 data points across 15 retailers

15 retailers$4,411 USD to $9,889 USD

B+
Cheapest Retailer
-
$4,411 USD
B+
Retailer 2
-
$4,925 USD
View
B+
Retailer 3
-
$5,072 USD
CA$7,045 CAD
View
B+
Retailer 4
-
$5,307 USD
View
B+
Retailer 5
-
$5,504 USD
View
B+
Retailer 6
-
$5,668 USD
View
B+
Retailer 7
-
$5,775 USD
£4,547 GBP
View
B+
Retailer 8
-
$5,897 USD
View
B
Retailer 9
-
$6,050 USD
View
B
Retailer 10
-
$6,050 USD
View
B
Retailer 11
-
$6,250 USD
View
B
Retailer 12
-
$6,357 USD
€6,054 EUR
View
B
Retailer 13
-
$8,649 USD
View
B
Retailer 14
-
$8,711 USD
£6,859 GBP
View
Most Expensive
B
NZ Jewellers
5961da29-4e15-43e6-88ac-18a176dc5907 · Oct 30
$9,889 USD
View
14 more retailers have this diamond
Prices start from $4,411 USDSave up to $5,478 USD

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
$4,411 USD