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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 $8,812 NZD
HK$38,800 HKD
As of November 1, 2026
Save $11,248 NZD (56%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $20,060 NZD 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 $8,812 to $20,060, a $11,248 spread on the same certified stone. NZ Jewellers lists it at $20,060. 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: $20,060 NZD|Low: $8,562 NZD|High: $20,060 NZD|Avg: $11,658 NZD|+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 2, 2026
Retailer 3$8,812 NZD
Retailer 18$8,887 NZD
Retailer 16$8,987 NZD
Retailer 21$9,294 NZD
Retailer 20$9,322 NZD
Retailer 7$9,837 NZD
Retailer 12$10,449 NZD
Retailer 14$10,449 NZD
Retailer 19$10,658 NZD
Retailer 17$10,929 NZD
Retailer 4$11,114 NZD
Retailer 2$11,115 NZD
Retailer 5$11,870 NZD
Retailer 13$12,098 NZD
Retailer 8$12,101 NZD
Retailer 6$12,298 NZD
Retailer 9$12,509 NZD
Retailer 10$12,716 NZD
Retailer 15$13,467 NZD
Retailer 11$17,083 NZD
NZ Jewellers$20,060 NZD

17 data points across 21 retailers

21 retailers$8,812 NZD to $20,060 NZD

A
Cheapest Retailer
-
$8,812 NZD
HK$38,800 HKD
A
Retailer 2
-
$8,887 NZD
$5,009 USD
View
A
Retailer 3
-
$8,987 NZD
$5,065 USD
View
A
Retailer 4
-
$9,294 NZD
$5,238 USD
View
A
Retailer 5
-
$9,322 NZD
$5,254 USD
View
A
Retailer 6
-
$9,837 NZD
$5,544 USD
View
Final sale: no returns
A
Retailer 7
-
$10,449 NZD
$5,889 USD
View
A
Retailer 8
-
$10,449 NZD
$5,889 USD
View
A
Retailer 9
-
$10,658 NZD
$6,007 USD
View
A
Retailer 10
-
$10,929 NZD
£4,850 GBP
View
A
Retailer 11
-
$11,114 NZD
$6,264 USD
View
A
Retailer 12
-
$11,115 NZD
£4,933 GBP
View
B+
Retailer 13
-
$11,670 NZD
$6,577 USD
View
B+
Retailer 14
-
$11,870 NZD
$6,690 USD
View
B+
Retailer 15
-
$12,098 NZD
€6,494 EUR
View
B+
Retailer 16
-
$12,101 NZD
$6,820 USD
View
B+
Retailer 17
-
$12,298 NZD
$6,931 USD
View
B+
Retailer 18
-
$12,509 NZD
$7,050 USD
View
B+
Retailer 19
-
$13,467 NZD
$7,590 USD
View
B+
Retailer 20
-
$17,083 NZD
£7,581 GBP
View
Most Expensive
B
NZ Jewellers
28c90525-32d6-4e41-a6f6-e43eb91e458b · Oct 30
$20,060 NZD
$11,306 USD
View
20 more retailers have this diamond
Prices start from $8,812 NZDSave up to $11,248 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.

A
1.51ct Round
$8,812 NZD