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Round|Natural|GIA

1.51ct G SI2 Round Natural Diamond

EX • G/SI2 • GIA 1533884456

Certificate GIA 1533884456

Diamond specifications and retailer prices

From $7,070 AUD
HK$38,800 HKD
As of November 1, 2026
Save $9,025 AUD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $16,095 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1533884456. Listed at 21 retailers as of October 30, 2026, with prices from $7,070 to $16,095, a $9,025 spread on the same certified stone. NZ Jewellers lists it at $16,095. 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

1.51
Carat
G
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle35°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 1533884456
Dimensions7.36 × 7.32 × 4.50 mm
L/W Ratio1.01
Key to symbols
Twinning Wisp, Feather, Crystal, Indented Natural, Natural
Top View
7.36 mm7.32 mm1.51 ctG / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 1533884456
Side View
Table 59.0%Crown 35°Girdle: Sli. ThickPavilion 41°Culet: NoneDepth 61.5%

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: Nov 1
Current: $16,095 AUD|Low: $6,870 AUD|High: $16,095 AUD|Avg: $9,354 AUD|+0.5%
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
November 1, 2026
Retailer 21$7,070 AUD
Retailer 17$7,131 AUD
Retailer 13$7,211 AUD
Retailer 20$7,457 AUD
Retailer 19$7,480 AUD
Retailer 7$7,892 AUD
Retailer 12$8,384 AUD
Retailer 14$8,384 AUD
Retailer 18$8,552 AUD
Retailer 15$8,769 AUD
Retailer 3$8,917 AUD
Retailer 16$8,993 AUD
Retailer 4$9,524 AUD
Retailer 8$9,709 AUD
Retailer 5$9,867 AUD
Retailer 6$9,943 AUD
Retailer 9$10,036 AUD
Retailer 10$10,203 AUD
Retailer 2$10,805 AUD
Retailer 11$13,706 AUD
NZ Jewellers$16,095 AUD

17 data points across 21 retailers

21 retailers$7,070 AUD to $16,095 AUD

A
Cheapest Retailer
-
$7,070 AUD
HK$38,800 HKD
A
Retailer 2
-
$7,131 AUD
$5,009 USD
View
A
Retailer 3
-
$7,211 AUD
$5,065 USD
View
A
Retailer 4
-
$7,457 AUD
$5,238 USD
View
A
Retailer 5
-
$7,480 AUD
$5,254 USD
View
A
Retailer 6
-
$7,892 AUD
$5,544 USD
View
Final sale: no returns
A
Retailer 7
-
$8,384 AUD
$5,889 USD
View
A
Retailer 8
-
$8,384 AUD
$5,889 USD
View
A
Retailer 9
-
$8,552 AUD
$6,007 USD
View
A
Retailer 10
-
$8,769 AUD
£4,850 GBP
View
A
Retailer 11
-
$8,917 AUD
$6,264 USD
View
A
Retailer 12
-
$8,993 AUD
£4,974 GBP
View
B+
Retailer 13
-
$9,363 AUD
$6,577 USD
View
B+
Retailer 14
-
$9,524 AUD
$6,690 USD
View
B+
Retailer 15
-
$9,709 AUD
$6,820 USD
View
B+
Retailer 16
-
$9,867 AUD
$6,931 USD
View
B+
Retailer 17
-
$9,943 AUD
€6,652 EUR
View
B+
Retailer 18
-
$10,036 AUD
$7,050 USD
View
B+
Retailer 19
-
$10,805 AUD
$7,590 USD
View
B+
Retailer 20
-
$13,706 AUD
£7,581 GBP
View
Most Expensive
B
NZ Jewellers
28c90525-32d6-4e41-a6f6-e43eb91e458b · Oct 30
$16,095 AUD
$11,306 USD
View
20 more retailers have this diamond
Prices start from $7,070 AUDSave up to $9,025 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
$7,070 AUD