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Marquise|Natural|GIA

1.21ct E SI1 Marquise Natural Diamond

EX • E/SI1 • GIA 2245012124

Certificate GIA 2245012124

Diamond specifications and retailer prices

From $9,019 NZD
As of November 5, 2026
Save $10,485 NZD (54%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $19,504 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 E 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 2245012124. Listed at 19 retailers as of November 5, 2026, with prices from $9,019 to $19,504, a $10,485 spread on the same certified stone. NZ Jewellers lists it at $19,504. 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
E
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.85°
Pavilion angle40.41°
OriginNatural
Grading LabGIA
CertificateGIA 2245012124
Dimensions10.52 × 5.54 × 3.55 mm
L/W Ratio1.90
Culet sizeNone
Top View
10.52 mm5.54 mm1.21 ctE / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2245012124
Side View
Table 60.0%Crown 38.85°Girdle: STK-THKPavilion 40.41°Culet: NoneDepth 64.2%

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 5
Current: $19,504 NZD|Low: $5,755 NZD|High: $19,504 NZD|Avg: $11,227 NZD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 25
Retailer 26
Retailer 27
November 6, 2026
Retailer 17$5,755 NZD
Retailer 12$8,460 NZD
Retailer 16$8,516 NZD
Retailer 25$9,019 NZD
Retailer 7$9,213 NZD
Retailer 27$9,416 NZD
Retailer 20$9,647 NZD
Retailer 26$9,752 NZD
Retailer 8$9,855 NZD
Retailer 14$9,894 NZD
Retailer 18$9,987 NZD
Retailer 23$10,565 NZD
Retailer 5$11,022 NZD
Retailer 13$11,075 NZD
Retailer 2$11,312 NZD
Retailer 15$11,520 NZD
Retailer 10$11,776 NZD
Retailer 11$11,776 NZD
Retailer 4$11,940 NZD
Retailer 9$12,168 NZD
Retailer 21$12,189 NZD
Retailer 24$12,650 NZD
Retailer 6$12,856 NZD
Retailer 19$13,160 NZD
Retailer 22$14,228 NZD
Retailer 3$17,271 NZD
NZ Jewellers$19,504 NZD

5 data points across 27 retailers

19 retailers$9,019 NZD to $19,504 NZD

B+
Cheapest Retailer
-
$9,019 NZD
Retailer 2
-
$9,213 NZD
View
Price last confirmed 14 days ago
B+
Retailer 3
-
$9,647 NZD
View
B+
Retailer 4
-
$9,752 NZD
View
Final sale: no returns
B+
Retailer 5
-
$9,855 NZD
View
B+
Retailer 6
-
$10,565 NZD
View
B
Retailer 7
-
$11,022 NZD
View
B+
Retailer 8
-
$11,075 NZD
View
B+
Retailer 9
-
$11,312 NZD
View
B
Retailer 10
-
$11,776 NZD
View
B
Retailer 11
-
$11,776 NZD
View
B
Retailer 12
-
$11,940 NZD
View
B
Retailer 13
-
$12,168 NZD
View
B
Retailer 14
-
$12,189 NZD
View
Retailer 15
-
$12,189 NZD
View
Price last confirmed 16 days ago
Retailer 16
-
$12,856 NZD
View
Price last confirmed 14 days ago
B
Retailer 17
-
$14,228 NZD
View
Retailer 18
-
$17,271 NZD
View
Price last confirmed 16 days ago
Most Expensive
B
NZ Jewellers
37fadd84-ff04-4ea0-ab27-69096abcf447 · Nov 5
$19,504 NZD
$10,964 USD
View
18 more retailers have this diamond
Prices start from $9,019 NZDSave up to $10,485 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
$9,019 NZD