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Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1 • GIA 2235875611

Certificate GIA 2235875611

Diamond specifications and retailer prices

From $10,627 NZD
As of November 6, 2026
Save $11,033 NZD (51%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $21,659 NZD at NZ Jewellers · As of November 5, 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 2235875611. Listed at 15 retailers as of November 5, 2026, with prices from $10,627 to $21,659, a $11,033 spread on the same certified stone. NZ Jewellers lists it at $21,659. 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 angle43.71°
Pavilion angle39.87°
OriginNatural
Grading LabGIA
CertificateGIA 2235875611
Dimensions9.99 × 5.48 × 3.60 mm
L/W Ratio1.82
Culet sizeNone
Top View
9.99 mm5.48 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2235875611
Side View
Table 61.0%Crown 43.71°Girdle: STK-THKPavilion 39.87°Culet: NoneDepth 65.7%

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: $21,659 NZD|Low: $11,953 NZD|High: $21,659 NZD|Avg: $14,871 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$11,953 NZD
Retailer 3$12,295 NZD
Retailer 6$12,568 NZD
Retailer 9$12,950 NZD
Retailer 7$13,149 NZD
Retailer 2$14,070 NZD
Retailer 4$15,800 NZD
Retailer 5$18,618 NZD
NZ Jewellers$21,659 NZD

45 data points across 9 retailers

15 retailers$10,627 NZD to $21,659 NZD

B+
Cheapest Retailer
-
$10,627 NZD
B+
Retailer 2
-
$10,957 NZD
View
B+
Retailer 3
-
$11,294 NZD
View
Retailer 4
-
$11,953 NZD
View
Price last confirmed 9 days ago
B
Retailer 5
-
$11,978 NZD
View
B+
Retailer 6
-
$12,295 NZD
View
Retailer 7
-
$12,568 NZD
View
Price last confirmed 16 days ago
B
Retailer 8
-
$12,950 NZD
View
B
Retailer 9
-
$13,149 NZD
View
B
Retailer 10
-
$13,241 NZD
View
B
Retailer 11
-
$14,070 NZD
View
B
Retailer 12
-
$14,942 NZD
View
B
Retailer 13
-
$15,800 NZD
View
B
Retailer 14
-
$18,618 NZD
View
Most Expensive
B
NZ Jewellers
73d8b48a-968c-47cf-8063-b3b856ef1991 · Nov 5
$21,659 NZD
$12,007 USD
View
14 more retailers have this diamond
Prices start from $10,627 NZDSave up to $11,033 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
$10,627 NZD