Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

ID • D/SI1 • GIA 7562185918

Certificate GIA 7562185918

Diamond specifications and retailer prices

From $5,395 USD
As of November 7, 2026
Save $4,270 USD (44%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $9,665 USD at NZ Jewellers · As of November 7, 2026
View at NZ Jewellers

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7562185918. Listed at 10 retailers as of November 7, 2026, with prices from $5,395 to $9,665, a $4,270 spread on the same certified stone. NZ Jewellers lists it at $9,665. 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

1.21
Carat
D
Color
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
Crown angle37.43°
Pavilion angle39.32°
OriginNatural
Grading LabGIA
CertificateGIA 7562185918
Dimensions10.67 × 5.57 × 3.49 mm
L/W Ratio1.92
Girdle conditionVery Thick
Key to symbols
Crystal, Feather, Needle
Top View
10.67 mm5.57 mm1.21 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceStrong
CertificateGIA 7562185918
Side View
Table 58.0%Crown 37.43°Girdle: THK-VTKPavilion 39.32°Culet: NoneDepth 62.6%

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 7
Current: $9,665 USD|Low: $5,395 USD|High: $9,952 USD|Avg: $6,741 USD|-2.9%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 5$5,395 USD
Retailer 8$5,570 USD
Retailer 3$5,642 USD
Retailer 4$5,778 USD
Retailer 9$5,778 USD
Retailer 2$5,838 USD
Retailer 10$5,959 USD
Retailer 6$6,530 USD
Retailer 7$8,512 USD
NZ Jewellers$9,665 USD

45 data points across 10 retailers

10 retailers$5,395 USD to $9,665 USD

B+
Cheapest Retailer
-
$5,395 USD
B+
Retailer 2
-
$5,570 USD
View
B+
Retailer 3
-
$5,642 USD
View
B+
Retailer 4
-
$5,778 USD
View
B+
Retailer 5
-
$5,778 USD
View
B+
Retailer 6
-
$5,838 USD
View
Retailer 7
-
$5,959 USD
View
Price last confirmed 29 days ago
B
Retailer 8
-
$6,530 USD
View
B
Retailer 9
-
$8,512 USD
View
Most Expensive
B
NZ Jewellers
ba9c5224-a910-49b4-b4b2-ae99b9534469 · Nov 7
$9,665 USD
View
9 more retailers have this diamond
Prices start from $5,395 USDSave up to $4,270 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+
1.21ct Marquise
$5,395 USD