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Radiant|Natural|GIA

1.54ct I SI1 Radiant Natural Diamond

VG • I/SI1 • GIA 6521237639

Certificate GIA 6521237639

Diamond specifications and retailer prices

From $9,958 NZD
As of November 5, 2026
Save $11,363 NZD (53%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $21,320 NZD at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 1.54ct natural radiant diamond

This 1.54ct natural radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade stated by the retailer rather than the lab and certified by GIA 6521237639. Listed at 23 retailers as of November 5, 2026, with prices from $9,958 to $21,320, a $11,363 spread on the same certified stone. NZ Jewellers lists it at $21,320. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
I
Colour
SI1
Clarity
Very Good
Cut (retailer stated)

Specifications

Cut (retailer stated)Very Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.7°
Pavilion angle58°
OriginNatural
Grading LabGIA
CertificateGIA 6521237639
Dimensions7.80 × 5.73 × 3.98 mm
L/W Ratio1.36
Top View
7.80 mm5.73 mm1.54 ctI / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6521237639
Side View
Table 66.0%Crown 47.7°Girdle: ThickPavilion 58°Culet: NoneDepth 69.4%

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 5
Current: $11,437 NZD|Low: $9,241 NZD|High: $19,008 NZD|Avg: $12,634 NZD|-1.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 12$9,696 NZD
Retailer 3$10,071 NZD
Retailer 6$10,556 NZD
Retailer 2$10,749 NZD
Retailer 1$11,437 NZD
Retailer 4$11,549 NZD
Retailer 5$12,104 NZD
Retailer 11$12,371 NZD
Retailer 8$13,197 NZD
Retailer 7$13,717 NZD
Retailer 9$15,553 NZD
Retailer 10$18,730 NZD

44 data points across 12 retailers

23 retailers$9,958 NZD to $21,320 NZD

Retailer 1
-
$9,696 NZD
Price last confirmed 17 days ago
B+
Retailer 2
-
$9,958 NZD
View
B+
Retailer 3
-
$10,071 NZD
View
B+
Retailer 4
-
$10,463 NZD
View
B+
Retailer 5
-
$10,556 NZD
View
Final sale: no returns
B+
Retailer 6
-
$10,733 NZD
View
B+
Retailer 7
-
$10,749 NZD
View
B+
Retailer 8
-
$11,374 NZD
View
B+
Retailer 9
-
$11,437 NZD
View
Retailer 10
-
$11,549 NZD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
$11,549 NZD
View
B+
Retailer 12
-
$11,758 NZD
View
B+
Retailer 13
-
$12,104 NZD
View
Retailer 14
-
$12,371 NZD
View
Price last confirmed 16 days ago
B
Retailer 15
-
$12,609 NZD
View
B
Retailer 16
-
$12,609 NZD
View
B
Retailer 17
-
$13,042 NZD
View
B
Retailer 18
-
$13,197 NZD
View
B
Retailer 19
-
$13,717 NZD
View
Retailer 20
-
$14,051 NZD
View
Price last confirmed 15 days ago
B
Retailer 21
-
$15,553 NZD
View
B
Retailer 22
-
$18,730 NZD
View
Most Expensive
B
NZ Jewellers
76855504-8ee5-480c-bfda-7260f7470123 · Nov 5
$21,320 NZD
$11,819 USD
View
22 more retailers have this diamond
Prices start from $9,958 NZDSave up to $11,363 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+
1.54ct Radiant
$9,958 NZD