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Round|Natural|GIA

1.51ct G SI1 Round Natural Diamond

VG • G/SI1 • GIA 5533597927

Certificate GIA 5533597927

Diamond specifications and retailer prices

From $7,524 AUD
$5,285 USD
As of October 30, 2026
Save $10,028 AUD (57%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $17,552 AUD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5533597927. Listed at 26 retailers as of October 30, 2026, with prices from $7,524 to $17,552, a $10,028 spread on the same certified stone. NZ Jewellers lists it at $17,552. 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

1.51
Carat
G
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5533597927
Dimensions7.18 × 7.16 × 4.62 mm
L/W Ratio1.00
Top View
7.18 mm7.16 mm1.51 ctG / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 5533597927
Side View
Table 56.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.5%

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 30
Current: $17,552 AUD|Low: $7,524 AUD|High: $17,552 AUD|Avg: $10,270 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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Retailer 24
November 2, 2026
Retailer 16$7,524 AUD
Retailer 22$7,854 AUD
Retailer 24$7,958 AUD
Retailer 20$7,994 AUD
Retailer 23$8,291 AUD
Retailer 14$8,304 AUD
Retailer 12$8,776 AUD
Retailer 15$8,776 AUD
Retailer 10$8,819 AUD
Retailer 5$9,451 AUD
Retailer 9$9,507 AUD
Retailer 11$9,653 AUD
Retailer 13$9,828 AUD
Retailer 7$10,108 AUD
Retailer 8$10,108 AUD
Retailer 17$10,277 AUD
Retailer 3$10,449 AUD
Retailer 18$10,797 AUD
Retailer 6$10,970 AUD
Retailer 2$11,141 AUD
Retailer 4$12,018 AUD
Retailer 21$12,894 AUD
Retailer 19$14,625 AUD
NZ Jewellers$17,552 AUD

31 data points across 24 retailers

26 retailers$7,524 AUD to $17,552 AUD

A
Cheapest Retailer
-
$7,524 AUD
$5,285 USD
A
Retailer 2
-
$7,854 AUD
HK$43,100 HKD
View
A
Retailer 3
-
$7,958 AUD
$5,590 USD
View
A
Retailer 4
-
$7,994 AUD
$5,615 USD
View
A
Retailer 5
-
$8,291 AUD
$5,824 USD
View
A
Retailer 6
-
$8,304 AUD
$5,833 USD
View
A
Retailer 7
-
$8,608 AUD
View
B+
Retailer 8
-
$8,776 AUD
$6,165 USD
View
Final sale: no returns
A
Retailer 9
-
$8,776 AUD
$6,165 USD
View
A
Retailer 10
-
$8,819 AUD
$6,195 USD
View
B+
Retailer 11
-
$9,451 AUD
$6,639 USD
View
B+
Retailer 12
-
$9,507 AUD
$6,678 USD
View
B+
Retailer 13
-
$9,653 AUD
$6,781 USD
View
B+
Retailer 14
-
$9,828 AUD
£5,436 GBP
View
B+
Retailer 15
-
$10,108 AUD
$7,100 USD
View
B+
Retailer 16
-
$10,108 AUD
$7,100 USD
View
Retailer 17
-
$10,277 AUD
View
Price last confirmed 11 days ago
B+
Retailer 18
-
$10,449 AUD
$7,340 USD
View
B+
Retailer 19
-
$10,797 AUD
€7,223 EUR
View
B+
Retailer 20
-
$10,970 AUD
$7,706 USD
View
B+
Retailer 21
-
$11,141 AUD
£6,162 GBP
View
Retailer 22
-
$11,668 AUD
$8,196 USD
View
Price last confirmed 10 days ago
B
Retailer 23
-
$12,018 AUD
$8,442 USD
View
B
Retailer 24
-
$12,894 AUD
ZAR 146,319 ZAR
View
B
Retailer 25
-
$14,625 AUD
£8,089 GBP
View
Most Expensive
B
NZ Jewellers
83ec2ec4-a2a9-4de2-8923-e46b322bb458 · Oct 30
$17,552 AUD
$12,329 USD
View
25 more retailers have this diamond
Prices start from $7,524 AUDSave up to $10,028 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.

A
1.51ct Round
$7,524 AUD