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Marquise|Natural|GIA

1.21ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2245015553

Certificate GIA 2245015553

Diamond specifications and retailer prices

From $9,828 NZD
As of November 6, 2026
Save $2,516 NZD (20%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $12,343 NZD at 77 Diamonds · As of November 7, 2026
View at 77 Diamonds

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 2245015553. Listed at 5 retailers as of November 6, 2026, with prices from $9,828 to $12,343, a $2,516 spread on the same certified stone. 77 Diamonds lists it at $12,343. 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
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle37.12°
Pavilion angle40.34°
OriginNatural
Grading LabGIA
CertificateGIA 2245015553
Dimensions10.18 × 5.50 × 3.61 mm
L/W Ratio1.85
Culet sizeNone
Top View
10.18 mm5.50 mm1.21 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateGIA 2245015553
Side View
Table 56.0%Crown 37.12°Girdle: THN-VTKPavilion 40.34°Culet: NoneDepth 65.6%

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: $12,343 NZD|Low: $6,314 NZD|High: $14,056 NZD|Avg: $10,361 NZD|-1.6%
77 Diamonds
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
November 7, 2026
Retailer 4$6,314 NZD
Retailer 10$7,950 NZD
Retailer 13$8,534 NZD
Retailer 11$8,617 NZD
Retailer 14$8,641 NZD
Retailer 7$10,086 NZD
Retailer 3$10,297 NZD
Retailer 5$10,914 NZD
Retailer 8$10,953 NZD
Retailer 2$11,031 NZD
77 Diamonds$12,343 NZD
Retailer 6$12,561 NZD
Retailer 9$13,051 NZD
Retailer 12$14,056 NZD

28 data points across 14 retailers

5 retailers$9,828 NZD to $12,343 NZD

B+
Cheapest Retailer
-
$9,828 NZD
B
Retailer 2
-
$10,086 NZD
View
B
Retailer 3
-
$10,327 NZD
View
B
Retailer 4
-
$11,031 NZD
View
Most Expensive
B
77 Diamonds
MQMBWCHSV5WM · Nov 7
$12,343 NZD
£5,388 GBP
View
4 more retailers have this diamond
Prices start from $9,828 NZDSave up to $2,516 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
$9,828 NZD