Oval|Natural|GIA

1.01ct D SI1 Oval Natural Diamond

EX • D/SI1 • GIA 1555867759

Certificate GIA 1555867759

Diamond specifications and retailer prices

From HK$19,078 HKD
SGD 3,286 SGD
As of October 31, 2026
Save HK$16,549 HKD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$35,627 HKD at Helzberg Diamonds · As of November 1, 2026
View at Helzberg Diamonds

About this 1.01ct natural oval diamond

This 1.01ct natural oval sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1555867759. Listed at 15 retailers as of October 31, 2026, with prices from HK$19,078 to HK$35,627, a HK$16,549 spread on the same certified stone. Helzberg Diamonds lists it at HK$35,627. 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

1.01
Carat
D
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.26°
Pavilion angle40.31°
OriginNatural
Grading LabGIA
CertificateGIA 1555867759
Dimensions7.83 × 5.57 × 3.49 mm
L/W Ratio1.41
Culet sizeNone
Top View
7.83 mm5.57 mm1.01 ctD / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1555867759
Side View
Table 60.0%Crown 40.26°Girdle: MED-THKPavilion 40.31°Culet: NoneDepth 62.6%

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$35,627 HKD|Low: HK$19,078 HKD|High: HK$37,832 HKD|Avg: HK$25,639 HKD|-5.8%
Helzberg Diamonds
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
November 1, 2026
Retailer 10HK$19,078 HKD
Retailer 5HK$19,912 HKD
Retailer 8HK$20,367 HKD
Retailer 9HK$20,564 HKD
Retailer 11HK$20,717 HKD
Retailer 2HK$22,366 HKD
Retailer 4HK$22,561 HKD
Retailer 12HK$24,267 HKD
Retailer 14HK$24,635 HKD
Retailer 3HK$25,133 HKD
Retailer 7HK$26,592 HKD
Retailer 6HK$31,579 HKD
Retailer 13HK$34,082 HKD
Helzberg DiamondsHK$35,627 HKD

38 data points across 14 retailers

15 retailersHK$19,078 HKD to HK$35,627 HKD

A
Cheapest Retailer
-
HK$19,078 HKD
SGD 3,286 SGD
A
Retailer 2
-
HK$19,912 HKD
$2,538 USD
View
A
Retailer 3
-
HK$20,367 HKD
$2,596 USD
View
A
Retailer 4
-
HK$20,564 HKD
$2,621 USD
View
A
Retailer 5
-
HK$20,717 HKD
$2,641 USD
View
A
Retailer 6
-
HK$22,366 HKD
£2,245 GBP
View
A
Retailer 7
-
HK$22,561 HKD
SGD 3,886 SGD
View
B+
Retailer 8
-
HK$24,267 HKD
$3,093 USD
View
B+
Retailer 9
-
HK$24,604 HKD
$3,136 USD
View
B+
Retailer 10
-
HK$24,635 HKD
$3,140 USD
View
B+
Retailer 11
-
HK$25,133 HKD
$3,203 USD
View
B+
Retailer 12
-
HK$26,592 HKD
€3,228 EUR
View
B+
Retailer 13
-
HK$31,579 HKD
$4,025 USD
View
B+
Retailer 14
-
HK$34,082 HKD
$4,344 USD
View
Most Expensive
B
Helzberg Diamonds
XZRHLLLOMNNLP · Nov 1
HK$35,627 HKD
$4,541 USD
View
14 more retailers have this diamond
Prices start from HK$19,078 HKDSave up to HK$16,549 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
1.01ct Oval
HK$19,078 HKD