Marquise|Natural|GIA

1.20ct H SI1 Marquise Natural Diamond

EX • H/SI1 • GIA 6541549733

Certificate GIA 6541549733

Diamond specifications and retailer prices

From $4,236 USD
As of November 6, 2026
Save $5,312 USD (56%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $9,548 USD 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 H 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 6541549733. Listed at 16 retailers as of November 5, 2026, with prices from $4,236 to $9,548, a $5,312 spread on the same certified stone. NZ Jewellers lists it at $9,548. 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
H
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 6541549733
Dimensions10.61 × 5.31 × 3.45 mm
L/W Ratio2.00
Top View
10.61 mm5.31 mm1.20 ctH / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6541549733
Side View
Table 58.0%CrownGirdle: THK-XTKPavilionCulet: NoneDepth 65.1%

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 6
Current: $9,548 USD|Low: $4,135 USD|High: $9,570 USD|Avg: $6,043 USD|-0.2%
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
November 6, 2026
Retailer 9$4,236 USD
Retailer 2$4,256 USD
Retailer 4$5,063 USD
Retailer 14$5,270 USD
Retailer 6$5,389 USD
Retailer 7$5,538 USD
Retailer 11$5,709 USD
Retailer 13$5,709 USD
Retailer 3$5,717 USD
Retailer 5$5,962 USD
Retailer 12$6,587 USD
Retailer 10$6,590 USD
Retailer 8$9,067 USD
NZ Jewellers$9,548 USD

40 data points across 14 retailers

16 retailers$4,236 USD to $9,548 USD

B+
Cheapest Retailer
-
$4,236 USD
B+
Retailer 2
-
$4,256 USD
View
B
Retailer 3
-
$4,704 USD
View
B
Retailer 4
-
$5,063 USD
View
B
Retailer 5
-
$5,270 USD
View
Final sale: no returns
B
Retailer 6
-
$5,341 USD
View
Retailer 7
-
$5,389 USD
View
Price last confirmed 10 days ago
B
Retailer 8
-
$5,538 USD
View
B
Retailer 9
-
$5,709 USD
View
B
Retailer 10
-
$5,709 USD
View
Retailer 11
-
$5,717 USD
View
Price last confirmed 28 days ago
B
Retailer 12
-
$5,962 USD
View
B
Retailer 13
-
$6,587 USD
View
B
Retailer 14
-
$6,590 USD
View
B
Retailer 15
-
$9,067 USD
View
Most Expensive
B
NZ Jewellers
cc486e39-cf7d-4f95-a239-5b16a4d4b82d · Nov 5
$9,548 USD
View
15 more retailers have this diamond
Prices start from $4,236 USDSave up to $5,312 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
$4,236 USD