Round|Natural|GIA

1.51ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 1528655808

Certificate GIA 1528655808

Diamond specifications and retailer prices

From HK$43,183 HKD
As of October 31, 2026
Save HK$20,291 HKD (32%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: HK$96,047 HKD at NZ Jewellers · As of October 20, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1528655808. Listed at 15 retailers as of October 29, 2026, with a 47% 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

1.51
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.8°
OriginNatural
Grading LabGIA
CertificateGIA 1528655808
Dimensions7.31 × 7.26 × 4.57 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Cloud, Feather, Needle
Top View
7.31 mm7.26 mm1.51 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1528655808
Side View
Table 59.0%Crown 34.5°Girdle: Sli. ThickPavilion 41.8°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 31
Current: HK$43,183 HKD|Low: HK$42,781 HKD|High: HK$80,998 HKD|Avg: HK$55,478 HKD|+0.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 31, 2026
Retailer 1HK$43,183 HKD
Retailer 11HK$49,187 HKD
Retailer 9HK$49,805 HKD
Retailer 10HK$50,087 HKD
Retailer 7HK$53,006 HKD
Retailer 3HK$53,264 HKD
Retailer 2HK$58,309 HKD
Retailer 8HK$59,321 HKD
Retailer 5HK$60,879 HKD
Retailer 4HK$63,474 HKD
Retailer 6HK$80,460 HKD

39 data points across 11 retailers

15 retailersHK$43,183 HKD to HK$63,474 HKD

A
Cheapest Retailer
-
HK$43,183 HKD
Retailer 2
-
HK$49,187 HKD
SGD 8,472 SGD
View
Price last confirmed 16 days ago
Retailer 3
-
HK$49,805 HKD
$6,348 USD
View
Price last confirmed 10 days ago
Retailer 4
-
HK$50,087 HKD
$6,384 USD
View
Price last confirmed 11 days ago
Retailer 5
-
HK$53,013 HKD
$6,757 USD
View
Price last confirmed 15 days ago
Retailer 6
-
HK$53,264 HKD
$6,789 USD
View
Price last confirmed 10 days ago
Retailer 7
-
HK$57,431 HKD
$7,320 USD
View
Price last confirmed 11 days ago
Retailer 8
-
HK$58,309 HKD
$7,432 USD
View
Price last confirmed 16 days ago
Retailer 9
-
HK$58,701 HKD
$7,482 USD
View
Price last confirmed 13 days ago
Retailer 10
-
HK$59,321 HKD
$7,561 USD
View
Price last confirmed 11 days ago
B+
Retailer 11
-
HK$60,879 HKD
£6,110 GBP
View
B+
Retailer 12
-
HK$63,474 HKD
€7,705 EUR
View
Retailer 13
-
HK$66,265 HKD
$8,446 USD
View
Price last confirmed 10 days ago
Retailer 14
-
HK$80,460 HKD
£8,075 GBP
View
Price last confirmed 10 days ago
Most Expensive
NZ Jewellers
c8cb68a7-a504-4204-b599-d2c867a570ef · Oct 20
HK$96,047 HKD
$12,242 USD
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from HK$43,183 HKDSave up to HK$20,291 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
1.51ct Round
HK$43,183 HKD