Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 1553350131

Certificate GIA 1553350131

Diamond specifications and retailer prices

From $10,190 NZD
As of November 6, 2026
Save $2,744 NZD (21%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $12,934 NZD at Zales · As of November 5, 2026
View at Zales

About this 1.21ct natural marquise diamond

This 1.21ct natural marquise sits in the classic one-carat band, graded G 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 1553350131. Listed at 10 retailers as of November 5, 2026, with prices from $10,190 to $12,934, a $2,744 spread on the same certified stone. Zales lists it at $12,934. 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
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.96°
OriginNatural
Grading LabGIA
CertificateGIA 1553350131
Dimensions10.76 × 5.58 × 3.55 mm
L/W Ratio1.93
Culet sizeNone
Top View
10.76 mm5.58 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553350131
Side View
Table 59.0%Crown 34.6°Girdle: MED-THKPavilion 41.96°Culet: NoneDepth 63.5%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 6
Current: $11,402 NZD|Low: $6,395 NZD|High: $13,605 NZD|Avg: $8,948 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
Zales
November 5, 2026
Retailer 5$6,395 NZD
Retailer 12$7,167 NZD
Retailer 13$7,367 NZD
Retailer 9$7,537 NZD
Retailer 6$7,611 NZD
Retailer 8$7,814 NZD
Retailer 10$8,468 NZD
Retailer 2$8,980 NZD
Retailer 3$9,020 NZD
Retailer 7$9,135 NZD
Retailer 1$11,402 NZD
Retailer 11$11,760 NZD
Retailer 4$12,701 NZD
Zales$12,934 NZD

31 data points across 14 retailers

10 retailers$10,190 NZD to $12,934 NZD

Retailer 1
-
$7,367 NZD
Price last confirmed 17 days ago
Retailer 2
-
$7,537 NZD
View
Price last confirmed 15 days ago
Retailer 3
-
$7,611 NZD
View
Price last confirmed 15 days ago
Retailer 4
-
$7,814 NZD
View
Price last confirmed 15 days ago
Retailer 5
-
$8,468 NZD
View
Price last confirmed 16 days ago
Retailer 6
-
$8,980 NZD
View
Price last confirmed 16 days ago
B
Retailer 7
-
$10,190 NZD
View
B
Retailer 8
-
$11,402 NZD
View
Retailer 9
-
$12,701 NZD
View
Price last confirmed 17 days ago
Most Expensive
B
Zales
529733725 · Nov 5
$12,934 NZD
$7,170 USD
View
9 more retailers have this diamond
Prices start from $10,190 NZDSave up to $2,744 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
$10,190 NZD