Oval|Natural|GIA

1.21ct K SI1 Oval Natural Diamond

EX • K/SI1 • GIA 1563085723

Certificate GIA 1563085723

Diamond specifications and retailer prices

From $3,207 NZD
As of November 7, 2026
Save $5,617 NZD (64%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $8,825 NZD at NZ Jewellers · As of November 7, 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 K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1563085723. Listed at 18 retailers as of November 7, 2026, with prices from $3,207 to $8,825, a $5,617 spread on the same certified stone. NZ Jewellers lists it at $8,825. 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
K
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1563085723
Dimensions8.27 × 5.90 × 3.71 mm
L/W Ratio1.40
Top View
8.27 mm5.90 mm1.21 ctK / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1563085723
Side View
Table 62.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 62.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 7
Current: $8,825 NZD|Low: $3,207 NZD|High: $8,949 NZD|Avg: $4,893 NZD|-1.4%
NZ Jewellers
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 7, 2026
Retailer 11$3,207 NZD
Retailer 4$3,209 NZD
Retailer 16$3,813 NZD
Retailer 2$4,115 NZD
Retailer 6$4,221 NZD
Retailer 12$4,221 NZD
Retailer 18$4,221 NZD
Retailer 7$4,416 NZD
Retailer 17$4,472 NZD
Retailer 10$4,492 NZD
Retailer 15$4,598 NZD
Retailer 3$4,871 NZD
Retailer 5$5,152 NZD
Retailer 9$5,316 NZD
Retailer 13$5,567 NZD
Retailer 8$6,191 NZD
Retailer 14$7,355 NZD
NZ Jewellers$8,825 NZD

24 data points across 18 retailers

18 retailers$3,207 NZD to $8,825 NZD

A
Cheapest Retailer
-
$3,207 NZD
A
Retailer 2
-
$3,209 NZD
View
B+
Retailer 3
-
$3,813 NZD
View
B+
Retailer 4
-
$4,115 NZD
View
B+
Retailer 5
-
$4,221 NZD
View
B+
Retailer 6
-
$4,221 NZD
View
B+
Retailer 7
-
$4,221 NZD
View
B+
Retailer 8
-
$4,416 NZD
View
B+
Retailer 9
-
$4,472 NZD
View
Retailer 10
-
$4,492 NZD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
$4,598 NZD
View
B
Retailer 12
-
$4,871 NZD
View
B+
Retailer 13
-
$5,152 NZD
View
B+
Retailer 14
-
$5,316 NZD
View
B
Retailer 15
-
$5,567 NZD
View
B
Retailer 16
-
$6,191 NZD
View
B
Retailer 17
-
$7,355 NZD
View
Most Expensive
B
NZ Jewellers
eafc6cb4-42c3-4aa6-a2d3-5c6f47f3ae67 · Nov 7
$8,825 NZD
$4,892 USD
View
17 more retailers have this diamond
Prices start from $3,207 NZDSave up to $5,617 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.

A
1.21ct Oval
$3,207 NZD