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Oval|Natural|GIA

1.21ct G SI2 Oval Natural Diamond

EX • G/SI2 • GIA 2554062451

Certificate GIA 2554062451

Diamond specifications and retailer prices

From $6,352 NZD
As of November 5, 2026
Save $6,306 NZD (50%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $12,658 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2554062451. Listed at 17 retailers as of November 4, 2026, with prices from $6,352 to $12,658, a $6,306 spread on the same certified stone. MOH London lists it at $12,658. 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
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
CertificateGIA 2554062451
Dimensions8.27 × 5.90 × 3.74 mm
L/W Ratio1.40
Top View
8.27 mm5.90 mm1.21 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2554062451
Side View
Table 60.0%CrownGirdle: STK-VTKPavilionCulet: NoneDepth 63.4%

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 5
Current: $12,658 NZD|Low: $3,855 NZD|High: $12,761 NZD|Avg: $5,870 NZD|+44.8%
MOH London
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
November 6, 2026
Retailer 8$3,855 NZD
Retailer 9$4,254 NZD
Retailer 5$4,463 NZD
Retailer 4$4,558 NZD
Retailer 10$4,811 NZD
Retailer 7$4,925 NZD
Retailer 3$5,105 NZD
Retailer 17$6,352 NZD
Retailer 16$6,664 NZD
Retailer 18$6,781 NZD
Retailer 13$6,864 NZD
Retailer 6$7,843 NZD
Retailer 14$7,858 NZD
Retailer 2$7,932 NZD
Retailer 11$8,024 NZD
Retailer 12$9,016 NZD
Retailer 15$9,189 NZD
MOH London$12,658 NZD

35 data points across 18 retailers

17 retailers$6,352 NZD to $12,658 NZD

Retailer 1
-
$3,855 NZD
Price last confirmed 13 days ago
Retailer 2
-
$4,254 NZD
View
Price last confirmed 14 days ago
Retailer 3
-
$4,558 NZD
View
Price last confirmed 16 days ago
Retailer 4
-
$4,925 NZD
View
Price last confirmed 16 days ago
B+
Retailer 5
-
$6,352 NZD
View
Retailer 6
-
$6,476 NZD
View
Price last confirmed 9 days ago
B
Retailer 7
-
$6,664 NZD
View
Final sale: no returns
B
Retailer 8
-
$6,781 NZD
View
B+
Retailer 9
-
$6,864 NZD
View
Retailer 10
-
$7,843 NZD
View
Price last confirmed 21 days ago
B
Retailer 11
-
$7,858 NZD
View
B+
Retailer 12
-
$7,932 NZD
View
B
Retailer 13
-
$8,024 NZD
View
B
Retailer 14
-
$9,016 NZD
View
B
Retailer 15
-
$9,189 NZD
View
Retailer 16
-
$11,258 NZD
View
Price last confirmed 42 days ago
Most Expensive
C
MOH London
8A2A21DB3 · Nov 4
$12,658 NZD
£5,525 GBP
View
16 more retailers have this diamond
Prices start from $6,352 NZDSave up to $6,306 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 Oval
$6,352 NZD