CaratHunter
Plans
Marquise|Natural|GIA

1.21ct I SI1 Marquise Natural Diamond

EX • I/SI1 • GIA 1545905349

Certificate GIA 1545905349

Diamond specifications and retailer prices

From $7,784 NZD
As of November 6, 2026
Save $3,003 NZD (28%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $10,787 NZD at Jared · As of November 4, 2026
View at Jared

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1545905349. Listed at 7 retailers as of November 4, 2026, with prices from $7,784 to $10,787, a $3,003 spread on the same certified stone. Jared lists it at $10,787. 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
I
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 1545905349
Dimensions11.29 × 5.62 × 3.33 mm
L/W Ratio2.01
Girdle conditionFaceted
Key to symbols
Crystal, Feather, Needle
Top View
11.29 mm5.62 mm1.21 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1545905349
Side View
Table 61.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 59.4%

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 6
Current: $10,787 NZD|Low: $6,904 NZD|High: $11,339 NZD|Avg: $9,732 NZD|-2.0%
Jared
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 26, 2026
Retailer 8$6,904 NZD
Retailer 10$7,163 NZD
Retailer 14$7,784 NZD
Retailer 15$8,199 NZD
Retailer 11$8,231 NZD
Retailer 6$9,434 NZD
Retailer 18$9,434 NZD
Retailer 12$9,792 NZD
Retailer 5$9,972 NZD
Retailer 2$10,445 NZD
Retailer 13$10,445 NZD
Retailer 16$10,450 NZD
Jared$10,787 NZD
Retailer 7$10,841 NZD
Retailer 9$10,980 NZD
Retailer 4$10,986 NZD
Retailer 17$11,197 NZD
Retailer 3$11,339 NZD

10 data points across 18 retailers

7 retailers$7,784 NZD to $10,787 NZD

B+
Cheapest Retailer
-
$7,784 NZD
B+
Retailer 2
-
$8,199 NZD
View
Final sale: no returns
B+
Retailer 3
-
$8,231 NZD
View
B
Retailer 4
-
$9,792 NZD
View
B
Retailer 5
-
$10,445 NZD
View
B
Retailer 6
-
$10,445 NZD
View
Most Expensive
B
Jared
159442496 · Nov 4
$10,787 NZD
$5,980 USD
View
6 more retailers have this diamond
Prices start from $7,784 NZDSave up to $3,003 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
$7,784 NZD