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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 HK$17,017 HKD
$2,169 USD
As of October 31, 2026
Save HK$31,806 HKD (65%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$48,824 HKD 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 HK$17,017 to HK$48,824, a HK$31,806 spread on the same certified stone. NZ Jewellers lists it at HK$48,824. 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: HK$48,824 HKD|Low: HK$17,017 HKD|High: HK$48,824 HKD|Avg: HK$24,740 HKD|+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 1, 2026
Retailer 6HK$17,017 HKD
Retailer 20HK$17,675 HKD
Retailer 19HK$18,861 HKD
Retailer 15HK$18,869 HKD
Retailer 17HK$19,442 HKD
Retailer 18HK$19,818 HKD
Retailer 14HK$21,058 HKD
Retailer 9HK$21,160 HKD
Retailer 10HK$21,976 HKD
Retailer 16HK$22,753 HKD
Retailer 3HK$24,008 HKD
Retailer 11HK$24,165 HKD
Retailer 5HK$24,298 HKD
Retailer 13HK$24,645 HKD
Retailer 12HK$24,949 HKD
Retailer 4HK$25,480 HKD
Retailer 7HK$27,115 HKD
Retailer 2HK$28,480 HKD
Retailer 8HK$39,268 HKD
NZ JewellersHK$48,824 HKD

32 data points across 20 retailers

20 retailersHK$17,017 HKD to HK$48,824 HKD

A
Cheapest Retailer
-
HK$17,017 HKD
$2,169 USD
A
Retailer 2
-
HK$17,675 HKD
View
A
Retailer 3
-
HK$18,861 HKD
$2,404 USD
View
A
Retailer 4
-
HK$18,869 HKD
$2,405 USD
View
B+
Retailer 5
-
HK$19,442 HKD
$2,478 USD
View
Final sale: no returns
A
Retailer 6
-
HK$19,818 HKD
$2,526 USD
View
A
Retailer 7
-
HK$21,058 HKD
$2,684 USD
View
B+
Retailer 8
-
HK$21,160 HKD
$2,697 USD
View
B+
Retailer 9
-
HK$21,976 HKD
$2,801 USD
View
B+
Retailer 10
-
HK$22,753 HKD
$2,900 USD
View
B+
Retailer 11
-
HK$24,008 HKD
$3,060 USD
View
B+
Retailer 12
-
HK$24,165 HKD
$3,080 USD
View
B+
Retailer 13
-
HK$24,282 HKD
$3,095 USD
View
B+
Retailer 14
-
HK$24,298 HKD
$3,097 USD
View
B+
Retailer 15
-
HK$24,645 HKD
£2,473 GBP
View
B+
Retailer 16
-
HK$24,949 HKD
$3,180 USD
View
B+
Retailer 17
-
HK$25,480 HKD
€3,093 EUR
View
B
Retailer 18
-
HK$28,480 HKD
$3,630 USD
View
B
Retailer 19
-
HK$39,268 HKD
£3,941 GBP
View
Most Expensive
C
NZ Jewellers
a2531da3-f55b-4c00-98e4-bee2efb2287a · Oct 30
HK$48,824 HKD
$6,223 USD
View
19 more retailers have this diamond
Prices start from HK$17,017 HKDSave up to HK$31,806 HKD

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
HK$17,017 HKD