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Marquise|Natural|GIA

1.21ct D SI1 Marquise Natural Diamond

EX • D/SI1

Diamond specifications and retailer prices

From $9,092 NZD
As of November 1, 2026
Save $11,043 NZD (55%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $20,135 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. Listed at 10 retailers as of November 1, 2026, with prices from $9,092 to $20,135, a $11,043 spread on the same certified stone. NZ Jewellers lists it at $20,135. 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
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
Dimensions10.20 × 5.74 × 3.29 mm
L/W Ratio1.78
Top View
10.20 mm5.74 mm1.21 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA
Side View
Table 68.0%CrownGirdle: ThickPavilionCuletDepth 57.3%

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 1
Current: $20,135 NZD|Low: $9,092 NZD|High: $22,673 NZD|Avg: $12,567 NZD|-11.2%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$9,092 NZD
Retailer 7$10,326 NZD
Retailer 3$10,906 NZD
Retailer 4$10,906 NZD
Retailer 5$10,906 NZD
Retailer 10$10,977 NZD
Retailer 2$11,680 NZD
Retailer 9$12,196 NZD
Retailer 6$12,586 NZD
NZ Jewellers$20,135 NZD

30 data points across 10 retailers

10 retailers$9,092 NZD to $20,135 NZD

B+
Cheapest Retailer
-
$9,092 NZD
B
Retailer 2
-
$10,326 NZD
View
Retailer 3
-
$10,906 NZD
View
Price last confirmed 9 days ago
B
Retailer 4
-
$10,906 NZD
View
B
Retailer 5
-
$10,906 NZD
View
B
Retailer 6
-
$10,977 NZD
View
B
Retailer 7
-
$11,680 NZD
View
B
Retailer 8
-
$12,196 NZD
View
B
Retailer 9
-
$12,586 NZD
View
Most Expensive
C
NZ Jewellers
e9cb07d0-8cb8-4821-aee2-af32967f0286 · Nov 5
$20,135 NZD
$11,162 USD
View
9 more retailers have this diamond
Prices start from $9,092 NZDSave up to $11,043 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
$9,092 NZD