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Oval|Natural|GIA

1.21ct H SI2 Oval Natural Diamond

EX • H/SI2 • GIA 1555180089

Certificate GIA 1555180089

Diamond specifications and retailer prices

From $3,855 NZD
$2,169 USD
As of October 31, 2026
Save $7,205 NZD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $11,060 NZD at NZ Jewellers · As of October 30, 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 H 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 1555180089. Listed at 20 retailers as of October 30, 2026, with prices from $3,855 to $11,060, a $7,205 spread on the same certified stone. NZ Jewellers lists it at $11,060. 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
H
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle37.2°
OriginNatural
Grading LabGIA
CertificateGIA 1555180089
Dimensions8.26 × 6.00 × 3.80 mm
L/W Ratio1.38
Girdle conditionFaceted
Top View
8.26 mm6.00 mm1.21 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555180089
Side View
Table 59.0%Crown 37.8°Girdle: MED-THKPavilion 37.2°Culet: NoneDepth 63.4%

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: Oct 31
Current: $11,060 NZD|Low: $3,855 NZD|High: $11,060 NZD|Avg: $5,589 NZD|+16.5%
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
Retailer 19
Retailer 20
November 2, 2026
Retailer 8$3,855 NZD
Retailer 5$4,004 NZD
Retailer 4$4,273 NZD
Retailer 18$4,274 NZD
Retailer 20$4,404 NZD
Retailer 3$4,489 NZD
Retailer 17$4,770 NZD
Retailer 11$4,793 NZD
Retailer 12$4,978 NZD
Retailer 19$5,154 NZD
Retailer 2$5,439 NZD
Retailer 6$5,439 NZD
Retailer 7$5,504 NZD
Retailer 15$5,630 NZD
Retailer 13$5,634 NZD
Retailer 14$5,789 NZD
Retailer 9$6,142 NZD
Retailer 16$6,452 NZD
Retailer 10$8,896 NZD
NZ Jewellers$11,060 NZD

32 data points across 20 retailers

20 retailers$3,855 NZD to $11,060 NZD

A
Cheapest Retailer
-
$3,855 NZD
$2,169 USD
A
Retailer 2
-
$4,004 NZD
HK$17,600 HKD
View
A
Retailer 3
-
$4,273 NZD
$2,404 USD
View
A
Retailer 4
-
$4,274 NZD
$2,405 USD
View
B+
Retailer 5
-
$4,404 NZD
$2,478 USD
View
Final sale: no returns
A
Retailer 6
-
$4,489 NZD
$2,526 USD
View
A
Retailer 7
-
$4,770 NZD
$2,684 USD
View
B+
Retailer 8
-
$4,793 NZD
$2,697 USD
View
B+
Retailer 9
-
$4,978 NZD
$2,801 USD
View
B+
Retailer 10
-
$5,154 NZD
$2,900 USD
View
B+
Retailer 11
-
$5,439 NZD
$3,060 USD
View
B+
Retailer 12
-
$5,439 NZD
$3,060 USD
View
B+
Retailer 13
-
$5,501 NZD
$3,095 USD
View
B+
Retailer 14
-
$5,504 NZD
$3,097 USD
View
B+
Retailer 15
-
$5,630 NZD
£2,494 GBP
View
B+
Retailer 16
-
$5,634 NZD
$3,170 USD
View
B+
Retailer 17
-
$5,789 NZD
€3,102 EUR
View
B
Retailer 18
-
$6,452 NZD
$3,630 USD
View
B
Retailer 19
-
$8,896 NZD
£3,941 GBP
View
Most Expensive
C
NZ Jewellers
a2531da3-f55b-4c00-98e4-bee2efb2287a · Oct 30
$11,060 NZD
$6,223 USD
View
19 more retailers have this diamond
Prices start from $3,855 NZDSave up to $7,205 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
$3,855 NZD