CaratHunter
Plans
Oval|Natural|GIA

1.20ct J SI1 Oval Natural Diamond

EX • J/SI1 • GIA 1553999146

Certificate GIA 1553999146

Diamond specifications and retailer prices

From HK$13,179 HKD
SGD 2,270 SGD
As of October 31, 2026
Save HK$12,463 HKD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: HK$25,642 HKD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.2ct natural oval diamond

This 1.2ct natural oval sits in the classic one-carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1553999146. Listed at 12 retailers as of October 26, 2026, with prices from HK$13,179 to HK$25,642, a HK$12,463 spread on the same certified stone. Wholesale Diamonds Direct lists it at HK$25,642. 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

1.20
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.84°
Pavilion angle39.3°
OriginNatural
Grading LabGIA
CertificateGIA 1553999146
Dimensions8.27 × 5.95 × 3.70 mm
L/W Ratio1.39
Culet sizeNone
Top View
8.27 mm5.95 mm1.20 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553999146
Side View
Table 59.0%Crown 39.84°Girdle: STK-THKPavilion 39.3°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: Oct 31
Current: HK$19,559 HKD|Low: HK$13,179 HKD|High: HK$27,444 HKD|Avg: HK$19,176 HKD|-7.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Wholesale Diamonds Direct
October 31, 2026
Retailer 9HK$13,179 HKD
Retailer 7HK$15,464 HKD
Retailer 6HK$15,598 HKD
Retailer 3HK$15,942 HKD
Retailer 2HK$16,988 HKD
Retailer 4HK$17,075 HKD
Retailer 10HK$18,547 HKD
Retailer 1HK$19,559 HKD
Retailer 11HK$19,796 HKD
Retailer 5HK$21,913 HKD
Retailer 8HK$23,772 HKD
Wholesale Diamonds DirectHK$25,642 HKD

31 data points across 12 retailers

12 retailersHK$13,179 HKD to HK$25,642 HKD

A
Cheapest Retailer
-
HK$13,179 HKD
SGD 2,270 SGD
A
Retailer 2
-
HK$15,464 HKD
$1,971 USD
View
A
Retailer 3
-
HK$15,598 HKD
$1,988 USD
View
B+
Retailer 4
-
HK$15,942 HKD
$2,032 USD
View
B+
Retailer 5
-
HK$16,988 HKD
SGD 2,926 SGD
View
B+
Retailer 6
-
HK$17,075 HKD
£1,714 GBP
View
B+
Retailer 7
-
HK$18,547 HKD
$2,364 USD
View
B+
Retailer 8
-
HK$19,559 HKD
$2,493 USD
View
B+
Retailer 9
-
HK$19,796 HKD
$2,523 USD
View
B+
Retailer 10
-
HK$21,913 HKD
€2,660 EUR
View
B
Retailer 11
-
HK$23,772 HKD
$3,030 USD
View
Most Expensive
B
Wholesale Diamonds Direct
271990025 · Oct 26
HK$25,642 HKD
$3,268 USD
View
11 more retailers have this diamond
Prices start from HK$13,179 HKDSave up to HK$12,463 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
1.20ct Oval
HK$13,179 HKD