Oval|Natural|GIA

1.21ct F SI1 Oval Natural Diamond

EX • F/SI1

Diamond specifications and retailer prices

From $6,321 NZD
As of November 6, 2026
Save $8,022 NZD (56%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $14,343 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.21ct natural oval diamond

This 1.21ct natural oval sits in the classic one-carat band, graded F 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. Listed at 13 retailers as of November 5, 2026, with prices from $6,321 to $14,343, a $8,022 spread on the same certified stone. NZ Jewellers lists it at $14,343. 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
F
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
OriginNatural
Grading LabGIA
Dimensions8.04 × 5.90 × 3.79 mm
L/W Ratio1.36
Top View
8.04 mm5.90 mm1.21 ctF / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA
Side View
Table 60.0%CrownGirdle: MediumPavilionCulet: NoneDepth 64.3%

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: $14,343 NZD|Low: $6,321 NZD|High: $14,343 NZD|Avg: $8,123 NZD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 3$6,321 NZD
Retailer 10$6,332 NZD
Retailer 6$7,261 NZD
Retailer 7$7,459 NZD
Retailer 8$7,459 NZD
Retailer 9$7,459 NZD
Retailer 11$7,540 NZD
Retailer 4$7,798 NZD
Retailer 2$7,986 NZD
Retailer 12$8,379 NZD
Retailer 5$8,606 NZD
NZ Jewellers$14,343 NZD

31 data points across 12 retailers

13 retailers$6,321 NZD to $14,343 NZD

B+
Cheapest Retailer
-
$6,321 NZD
B+
Retailer 2
-
$6,332 NZD
View
B
Retailer 3
-
$7,261 NZD
View
Retailer 4
-
$7,459 NZD
View
Price last confirmed 9 days ago
B+
Retailer 5
-
$7,459 NZD
View
B+
Retailer 6
-
$7,459 NZD
View
B+
Retailer 7
-
$7,540 NZD
View
B
Retailer 8
-
$7,798 NZD
View
B+
Retailer 9
-
$7,986 NZD
View
B
Retailer 10
-
$8,379 NZD
View
B
Retailer 11
-
$8,606 NZD
View
Retailer 12
-
$14,343 NZD
View
Price last confirmed 57 days ago
Most Expensive
B
NZ Jewellers
ad24ec50-af50-45fe-b57e-1277079f0dd2 · Nov 5
$14,343 NZD
$7,951 USD
View
12 more retailers have this diamond
Prices start from $6,321 NZDSave up to $8,022 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
$6,321 NZD