Marquise|Natural|GIA

1.20ct D I1 Marquise Natural Diamond

EX • D/I1 • GIA 2554200645

Certificate GIA 2554200645

Diamond specifications and retailer prices

From $3,488 USD
As of October 30, 2026
Save $3,419 USD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $6,907 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 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 $3,488 to $6,907, a $3,419 spread on the same certified stone. NZ Jewellers lists it at $6,907. 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
Color
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: Oct 30
Current: $6,907 USD|Low: $3,488 USD|High: $7,200 USD|Avg: $4,615 USD|-4.1%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 7$3,488 USD
Retailer 8$3,710 USD
Retailer 3$3,964 USD
Retailer 4$3,964 USD
Retailer 6$3,964 USD
Retailer 2$4,487 USD
Retailer 5$4,574 USD
Retailer 9$5,574 USD
NZ Jewellers$6,907 USD

23 data points across 9 retailers

7 retailers$3,488 USD to $6,907 USD

B+
Cheapest Retailer
-
$3,488 USD
B+
Retailer 2
-
$3,964 USD
View
B+
Retailer 3
-
$3,964 USD
View
B+
Retailer 4
-
$3,964 USD
View
B+
Retailer 5
-
$4,487 USD
€4,273 EUR
View
B+
Retailer 6
-
$4,574 USD
View
Most Expensive
B
NZ Jewellers
faea9b6e-07c3-4408-892c-43c515d854ef · Oct 30
$6,907 USD
View
6 more retailers have this diamond
Prices start from $3,488 USDSave up to $3,419 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
$3,488 USD