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Round|Natural|GIA

0.45ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 2506677139

Certificate GIA 2506677139

Diamond specifications and retailer prices

From HK$2,387 HKD
₹28,976 INR
As of October 30, 2026
Save HK$10,284 HKD (81%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: HK$12,977 HKD at NZ Jewellers · As of September 24, 2026
View at NZ Jewellers

About this 0.45ct natural round diamond

This 0.45ct natural round sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2506677139. Listed at 24 retailers as of October 29, 2026, with a 431% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.45
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2506677139
Dimensions4.91 × 4.85 × 3.07 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
4.91 mm4.85 mm0.45 ctD / SI2
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 2506677139
Side View
Table 57.0%Crown 36.5°Girdle: THN-STKPavilion 41°Culet: NoneDepth 62.9%

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 30
Current: HK$12,671 HKD|Low: HK$2,387 HKD|High: HK$12,671 HKD|Avg: HK$4,628 HKD
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
October 30, 2026
Retailer 2HK$2,387 HKD
Retailer 5HK$2,812 HKD
Retailer 4HK$3,413 HKD
Retailer 13HK$3,439 HKD
Retailer 6HK$3,507 HKD
Retailer 10HK$3,562 HKD
Retailer 14HK$3,578 HKD
Retailer 8HK$4,075 HKD
Retailer 9HK$4,135 HKD
Retailer 12HK$4,488 HKD
Retailer 3HK$4,611 HKD
Retailer 7HK$5,355 HKD
Retailer 11HK$7,672 HKD
NZ JewellersHK$12,671 HKD

35 data points across 14 retailers

24 retailersHK$2,387 HKD to HK$12,671 HKD

A
Cheapest Retailer
-
HK$2,387 HKD
₹28,976 INR
A
Retailer 2
-
HK$2,812 HKD
View
A
Retailer 3
-
HK$3,381 HKD
$431 USD
View
Retailer 4
-
HK$3,381 HKD
$431 USD
View
Price last confirmed 22 days ago
A
Retailer 5
-
HK$3,413 HKD
$435 USD
View
A
Retailer 6
-
HK$3,439 HKD
A$674 AUD
View
A
Retailer 7
-
HK$3,507 HKD
SGD 604 SGD
View
A
Retailer 8
-
HK$3,562 HKD
$454 USD
View
A
Retailer 9
-
HK$3,578 HKD
$456 USD
View
Retailer 10
-
HK$3,648 HKD
$465 USD
View
Price last confirmed 8 days ago
A
Retailer 11
-
HK$3,648 HKD
$465 USD
View
A
Retailer 12
-
HK$3,648 HKD
$465 USD
View
Retailer 13
-
HK$3,648 HKD
$465 USD
View
Price last confirmed 31 days ago
Retailer 14
-
HK$3,907 HKD
$498 USD
View
Price last confirmed 12 days ago
Retailer 15
-
HK$3,907 HKD
$498 USD
View
Price last confirmed 21 days ago
A
Retailer 16
-
HK$4,075 HKD
£409 GBP
View
A
Retailer 17
-
HK$4,135 HKD
£415 GBP
View
A
Retailer 18
-
HK$4,488 HKD
$572 USD
View
A
Retailer 19
-
HK$4,611 HKD
$588 USD
View
B+
Retailer 20
-
HK$5,355 HKD
€650 EUR
View
B+
Retailer 21
-
HK$7,672 HKD
£770 GBP
View
B
Retailer 22
-
HK$8,246 HKD
£828 GBP
View
B
Retailer 23
-
HK$12,671 HKD
$1,615 USD
View
Most Expensive
NZ Jewellers
5b5168c3-27cd-4eb1-8ddd-221a5709e101 · Sep 24
HK$12,977 HKD
$1,654 USD
View
Price last confirmed 36 days ago
23 more retailers have this diamond
Prices start from HK$2,387 HKDSave up to HK$10,284 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
0.45ct Round
HK$2,387 HKD