CaratHunter
Plans
Round|Natural|GIA

1.57ct H IF Round Natural Diamond

EX • H/IF • GIA 6445852227

Certificate GIA 6445852227

Diamond specifications and retailer prices

From $15,985 AUD
£8,841 GBP
As of November 1, 2026
Save $9,055 AUD (36%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $25,040 AUD at NZ Jewellers · As of October 11, 2026
View at NZ Jewellers

About this 1.57ct natural round diamond

This 1.57ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6445852227. Listed at 17 retailers as of October 30, 2026, with a 57% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.57
Carat
H
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6445852227
Dimensions7.38 × 7.40 × 4.63 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.38 mm7.40 mm1.57 ctH / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6445852227
Side View
Table 56.0%Crown 35°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $25,040 AUD|Low: $15,985 AUD|High: $25,040 AUD|Avg: $19,222 AUD
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
November 1, 2026
Retailer 9$15,985 AUD
Retailer 5$16,321 AUD
Retailer 11$16,343 AUD
Retailer 12$16,584 AUD
Retailer 6$16,690 AUD
Retailer 3$17,964 AUD
Retailer 4$18,242 AUD
Retailer 8$18,846 AUD
Retailer 7$19,804 AUD
Retailer 13$20,729 AUD
Retailer 10$22,071 AUD
Retailer 2$23,464 AUD
NZ Jewellers$25,040 AUD

22 data points across 13 retailers

17 retailers$15,985 AUD to $25,040 AUD

B+
Cheapest Retailer
-
$15,985 AUD
£8,841 GBP
Retailer 2
-
$16,321 AUD
View
Price last confirmed 8 days ago
B+
Retailer 3
-
$16,343 AUD
$11,480 USD
View
B+
Retailer 4
-
$16,582 AUD
$11,648 USD
View
Final sale: no returns
B+
Retailer 5
-
$16,584 AUD
$11,649 USD
View
B+
Retailer 6
-
$16,690 AUD
£9,231 GBP
View
B+
Retailer 7
-
$17,964 AUD
$12,619 USD
View
B+
Retailer 8
-
$18,007 AUD
£9,960 GBP
View
B+
Retailer 9
-
$18,242 AUD
$12,814 USD
View
B+
Retailer 10
-
$18,846 AUD
€12,608 EUR
View
Retailer 11
-
$19,364 AUD
$13,602 USD
View
Price last confirmed 62 days ago
B+
Retailer 12
-
$19,804 AUD
View
B
Retailer 13
-
$20,729 AUD
$14,561 USD
View
B
Retailer 14
-
$22,071 AUD
ZAR 250,464 ZAR
View
B
Retailer 15
-
$23,464 AUD
£12,978 GBP
View
B
Retailer 16
-
$25,040 AUD
$17,589 USD
View
Most Expensive
NZ Jewellers
0dd4323a-8e3a-4096-bd14-0b1a37c21f27 · Oct 11
$25,040 AUD
$17,589 USD
View
Price last confirmed 21 days ago
16 more retailers have this diamond
Prices start from $15,985 AUDSave up to $9,055 AUD

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+
1.57ct Round
$15,985 AUD