Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 1567588621

Certificate GIA 1567588621

Diamond specifications and retailer prices

From $9,478 NZD
As of November 4, 2026
Save $7,752 NZD (45%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $17,230 NZD at Wholesale Diamonds Direct · As of November 6, 2026
View at Wholesale Diamonds Direct

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 1567588621. Listed at 15 retailers as of November 4, 2026, with prices from $9,478 to $17,230, a $7,752 spread on the same certified stone. Wholesale Diamonds Direct lists it at $17,230. 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
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.76°
Pavilion angle40.69°
OriginNatural
Grading LabGIA
CertificateGIA 1567588621
Dimensions10.43 × 5.51 × 3.55 mm
L/W Ratio1.89
Culet sizeNone
Top View
10.43 mm5.51 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1567588621
Side View
Table 60.0%Crown 39.76°Girdle: MED-THKPavilion 40.69°Culet: NoneDepth 64.4%

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 4
Current: $13,434 NZD|Low: $9,478 NZD|High: $17,230 NZD|Avg: $11,990 NZD
Retailer 1
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
Wholesale Diamonds Direct
November 6, 2026
Retailer 5$9,478 NZD
Retailer 10$9,645 NZD
Retailer 12$9,737 NZD
Retailer 9$9,918 NZD
Retailer 14$10,026 NZD
Retailer 13$10,165 NZD
Retailer 6$10,255 NZD
Retailer 8$10,710 NZD
Retailer 4$11,983 NZD
Retailer 7$12,018 NZD
Retailer 2$12,036 NZD
Retailer 1$13,434 NZD
Retailer 3$15,557 NZD
Retailer 11$16,331 NZD
Wholesale Diamonds Direct$17,230 NZD

23 data points across 15 retailers

15 retailers$9,478 NZD to $17,230 NZD

B+
Cheapest Retailer
-
$9,478 NZD
B+
Retailer 2
-
$9,645 NZD
View
B+
Retailer 3
-
$9,737 NZD
View
B+
Retailer 4
-
$9,918 NZD
View
B+
Retailer 5
-
$10,026 NZD
View
B+
Retailer 6
-
$10,165 NZD
View
B+
Retailer 7
-
$10,255 NZD
View
B+
Retailer 8
-
$10,710 NZD
View
B
Retailer 9
-
$11,983 NZD
View
B
Retailer 10
-
$12,018 NZD
View
B
Retailer 11
-
$12,036 NZD
View
B
Retailer 12
-
$13,434 NZD
View
B
Retailer 13
-
$15,557 NZD
View
B
Retailer 14
-
$16,331 NZD
View
Most Expensive
B
Wholesale Diamonds Direct
545946513 · Nov 6
$17,230 NZD
$9,551 USD
View
14 more retailers have this diamond
Prices start from $9,478 NZDSave up to $7,752 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+
1.21ct Marquise
$9,478 NZD