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Oval|Natural|GIA

1.21ct I SI2 Oval Natural Diamond

EX • I/SI2 • GIA 6502903340

Certificate GIA 6502903340

Diamond specifications and retailer prices

From $3,925 NZD
As of November 4, 2026
Save $6,804 NZD (63%) vs most expensive(unlock to see where)
30 retailers carry this diamond
Most expensive: $10,730 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 I 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 6502903340. Listed at 30 retailers as of November 4, 2026, with prices from $3,925 to $10,730, a $6,804 spread on the same certified stone. NZ Jewellers lists it at $10,730. 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
I
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.32°
Pavilion angle40.49°
OriginNatural
Grading LabGIA
CertificateGIA 6502903340
Dimensions8.57 × 5.87 × 3.65 mm
L/W Ratio1.46
Top View
8.57 mm5.87 mm1.21 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6502903340
Side View
Table 60.0%Crown 39.32°Girdle: MED-THKPavilion 40.49°Culet: NoneDepth 62.2%

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 4
Current: $10,730 NZD|Low: $3,454 NZD|High: $10,730 NZD|Avg: $5,104 NZD
NZ Jewellers
Retailer 2
Retailer 3
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Retailer 26
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Retailer 31
Retailer 32
November 6, 2026
Retailer 23$3,454 NZD
Retailer 26$3,902 NZD
Retailer 28$3,925 NZD
Retailer 4$4,005 NZD
Retailer 30$4,032 NZD
Retailer 31$4,070 NZD
Retailer 16$4,163 NZD
Retailer 5$4,180 NZD
Retailer 22$4,239 NZD
Retailer 18$4,290 NZD
Retailer 7$4,385 NZD
Retailer 6$4,650 NZD
Retailer 29$4,650 NZD
Retailer 19$4,699 NZD
Retailer 14$4,723 NZD
Retailer 9$4,863 NZD
Retailer 11$5,042 NZD
Retailer 2$5,046 NZD
Retailer 8$5,051 NZD
Retailer 20$5,139 NZD
Retailer 21$5,222 NZD
Retailer 17$5,264 NZD
Retailer 12$5,322 NZD
Retailer 32$5,322 NZD
Retailer 15$5,365 NZD
Retailer 24$5,432 NZD
Retailer 3$5,502 NZD
Retailer 13$6,000 NZD
Retailer 25$6,429 NZD
Retailer 10$7,394 NZD
Retailer 27$8,965 NZD
NZ Jewellers$10,730 NZD

30 data points across 32 retailers

30 retailers$3,925 NZD to $10,730 NZD

A
Cheapest Retailer
-
$3,925 NZD
A
Retailer 2
-
$4,005 NZD
View
A
Retailer 3
-
$4,032 NZD
View
A
Retailer 4
-
$4,070 NZD
View
A
Retailer 5
-
$4,163 NZD
View
A
Retailer 6
-
$4,180 NZD
View
A
Retailer 7
-
$4,290 NZD
View
Final sale: no returns
A
Retailer 8
-
$4,385 NZD
View
A
Retailer 9
-
$4,470 NZD
View
Retailer 10
-
$4,650 NZD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$4,650 NZD
View
B+
Retailer 12
-
$4,699 NZD
View
B+
Retailer 13
-
$4,723 NZD
View
B+
Retailer 14
-
$4,863 NZD
View
B+
Retailer 15
-
$5,042 NZD
View
B+
Retailer 16
-
$5,046 NZD
View
B+
Retailer 17
-
$5,051 NZD
View
B+
Retailer 18
-
$5,139 NZD
View
B+
Retailer 19
-
$5,222 NZD
View
B+
Retailer 20
-
$5,264 NZD
View
B+
Retailer 21
-
$5,322 NZD
View
B+
Retailer 22
-
$5,322 NZD
View
B+
Retailer 23
-
$5,365 NZD
View
B+
Retailer 24
-
$5,432 NZD
View
B+
Retailer 25
-
$5,502 NZD
View
B+
Retailer 26
-
$6,000 NZD
View
Retailer 27
-
$6,429 NZD
View
Price last confirmed 37 days ago
B
Retailer 28
-
$7,394 NZD
View
B
Retailer 29
-
$8,965 NZD
View
Most Expensive
B
NZ Jewellers
20a28090-635d-4679-a6ba-96f0aad83060 · Nov 5
$10,730 NZD
$5,948 USD
View
29 more retailers have this diamond
Prices start from $3,925 NZDSave up to $6,804 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
$3,925 NZD