CaratHunter
Plans
Heart|Natural|GIA

1.53ct D SI1 Heart Natural Diamond

ID • D/SI1 • GIA 288

Certificate GIA 288

Diamond specifications and retailer prices

From HK$80,137 HKD
As of November 6, 2026
Save HK$20,706 HKD (21%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: HK$100,844 HKD at Blue Nile · As of November 5, 2026
View at Blue Nile

About this 1.53ct natural heart diamond

This 1.53ct natural heart sits in the one-and-a-half to two 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. Listed at 3 retailers as of November 5, 2026, with prices from HK$80,137 to HK$100,844, a HK$20,706 spread on the same certified stone. Blue Nile lists it at HK$100,844. 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

1.53
Carat
D
Colour
SI1
Clarity
Ideal
Cut (retailer stated)

Specifications

Cut (retailer stated)Ideal
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 288
Dimensions7.13 × 8.05 × 4.62 mm
L/W Ratio1.13
Top View
7.13 mm8.05 mm1.53 ctD / SI1
OriginNatural
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 288
Side View
Table 57.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$100,844 HKD|Low: HK$80,137 HKD|High: HK$100,844 HKD|Avg: HK$87,100 HKD
Blue Nile
Retailer 2
Retailer 3
September 26, 2026
Retailer 2HK$80,137 HKD
Retailer 3HK$87,191 HKD
Blue NileHK$100,844 HKD

2 data points across 3 retailers

3 retailersHK$80,137 HKD to HK$100,844 HKD

B
Cheapest Retailer
-
HK$80,137 HKD
B
Retailer 2
-
HK$87,191 HKD
View
Most Expensive
B
Blue Nile
17218545 · Nov 5
HK$100,844 HKD
$12,867 USD
View
2 more retailers have this diamond
Prices start from HK$80,137 HKDSave up to HK$20,706 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.

B
1.53ct Heart
HK$80,137 HKD