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Round|Natural|GIA

1.57ct H IF Round Natural Diamond

EX • H/IF • GIA 6445852227

Certificate GIA 6445852227

Diamond specifications and retailer prices

From $20,124 NZD
£8,915 GBP
As of November 2, 2026
Save $11,137 NZD (36%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $31,261 NZD 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 55% 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 2
Current: $31,261 NZD|Low: $19,956 NZD|High: $31,261 NZD|Avg: $24,010 NZD
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 2, 2026
Retailer 7$20,124 NZD
Retailer 5$20,376 NZD
Retailer 11$20,403 NZD
Retailer 12$20,704 NZD
Retailer 6$20,835 NZD
Retailer 3$22,428 NZD
Retailer 4$22,774 NZD
Retailer 9$23,529 NZD
Retailer 2$24,720 NZD
Retailer 13$25,879 NZD
Retailer 10$27,555 NZD
Retailer 8$29,294 NZD
NZ Jewellers$31,261 NZD

23 data points across 13 retailers

17 retailers$20,124 NZD to $31,261 NZD

B+
Cheapest Retailer
-
$20,124 NZD
£8,915 GBP
Retailer 2
-
$20,376 NZD
A$17,638 AUD
View
Price last confirmed 9 days ago
B+
Retailer 3
-
$20,403 NZD
$11,480 USD
View
B+
Retailer 4
-
$20,702 NZD
$11,648 USD
View
Final sale: no returns
B+
Retailer 5
-
$20,704 NZD
$11,649 USD
View
B+
Retailer 6
-
$20,835 NZD
£9,231 GBP
View
B+
Retailer 7
-
$22,428 NZD
$12,619 USD
View
B+
Retailer 8
-
$22,481 NZD
£9,960 GBP
View
B+
Retailer 9
-
$22,774 NZD
$12,814 USD
View
B+
Retailer 10
-
$23,529 NZD
€12,608 EUR
View
Retailer 11
-
$24,175 NZD
$13,602 USD
View
Price last confirmed 63 days ago
B+
Retailer 12
-
$24,720 NZD
A$21,398 AUD
View
B
Retailer 13
-
$25,879 NZD
$14,561 USD
View
B
Retailer 14
-
$27,555 NZD
ZAR 250,464 ZAR
View
B
Retailer 15
-
$29,294 NZD
£12,978 GBP
View
B
Retailer 16
-
$31,261 NZD
$17,589 USD
View
Most Expensive
NZ Jewellers
0dd4323a-8e3a-4096-bd14-0b1a37c21f27 · Oct 11
$31,261 NZD
$17,589 USD
View
Price last confirmed 22 days ago
16 more retailers have this diamond
Prices start from $20,124 NZDSave up to $11,137 NZD

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
$20,124 NZD