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Heart|Natural|GIA

1.57ct G SI1 Heart Natural Diamond

EX • G/SI1 • GIA 1553558198

Certificate GIA 1553558198

Diamond specifications and retailer prices

From HK$34,389 HKD
$4,383 USD
As of October 31, 2026
Save HK$6,489 HKD (16%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$40,878 HKD at Blue Nile · As of October 31, 2026
View at Blue Nile

About this 1.57ct natural heart diamond

This 1.57ct natural heart sits in the one-and-a-half to two carat band, graded G 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 1553558198. Listed at 7 retailers as of October 31, 2026, with prices from HK$34,389 to HK$40,878, a HK$6,489 spread on the same certified stone. Blue Nile lists it at HK$40,878. 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

1.57
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1553558198
Dimensions6.94 × 8.20 × 4.82 mm
L/W Ratio1.18
Culet sizeNone
Key to symbols
Cloud, Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.94 mm8.20 mm1.57 ctG / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1553558198
Side View
Table 61.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 58.7%

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$40,878 HKD|Low: HK$31,282 HKD|High: HK$56,005 HKD|Avg: HK$40,097 HKD|-11.5%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 5HK$34,389 HKD
Retailer 2HK$35,342 HKD
Retailer 4HK$35,559 HKD
Retailer 7HK$36,216 HKD
Retailer 3HK$36,690 HKD
Retailer 6HK$37,124 HKD
Blue NileHK$40,878 HKD
Retailer 8HK$51,251 HKD

33 data points across 8 retailers

7 retailersHK$34,389 HKD to HK$40,878 HKD

A
Cheapest Retailer
-
HK$34,389 HKD
$4,383 USD
A
Retailer 2
-
HK$35,342 HKD
₹428,992 INR
View
A
Retailer 3
-
HK$35,559 HKD
$4,532 USD
View
Final sale: no returns
A
Retailer 4
-
HK$36,216 HKD
MYR 18,802 MYR
View
A
Retailer 5
-
HK$36,690 HKD
£3,682 GBP
View
A
Retailer 6
-
HK$37,124 HKD
SGD 6,394 SGD
View
Most Expensive
A
Blue Nile
29484961 · Oct 31
HK$40,878 HKD
$5,210 USD
View
6 more retailers have this diamond
Prices start from HK$34,389 HKDSave up to HK$6,489 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
1.57ct Heart
HK$34,389 HKD