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Round|Natural|GIA

1.51ct I VVS1 Round Natural Diamond

EX • I/VVS1 • GIA 2556758957

Certificate GIA 2556758957

Diamond specifications and retailer prices

From $11,003 AUD
As of November 4, 2026
Save $2,738 AUD (20%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $22,435 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 I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 2556758957. Listed at 16 retailers as of November 4, 2026, with a relatively tight 25% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle41°
OriginNatural
Grading LabGIA
CertificateGIA 2556758957
Dimensions7.31 × 7.35 × 4.58 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.31 mm7.35 mm1.51 ctI / VVS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2556758957
Side View
Table 57.0%Crown 36°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.5%

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 4
Current: $22,435 AUD|Low: $10,262 AUD|High: $22,435 AUD|Avg: $13,398 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
November 6, 2026
Retailer 7$10,262 AUD
Retailer 8$10,744 AUD
Retailer 9$10,921 AUD
Retailer 13$11,003 AUD
Retailer 19$11,706 AUD
Retailer 4$12,381 AUD
Retailer 12$12,824 AUD
Retailer 11$13,225 AUD
Retailer 16$13,391 AUD
Retailer 21$13,413 AUD
Retailer 2$13,451 AUD
Retailer 5$13,551 AUD
Retailer 20$13,620 AUD
Retailer 3$13,912 AUD
Retailer 15$14,656 AUD
Retailer 6$14,780 AUD
Retailer 14$14,929 AUD
Retailer 18$15,477 AUD
Retailer 10$17,788 AUD
Retailer 17$18,794 AUD
NZ Jewellers$22,435 AUD

32 data points across 21 retailers

16 retailers$11,003 AUD to $13,740 AUD

Retailer 1
-
$10,745 AUD
Price last confirmed 25 days ago
Retailer 2
-
$10,921 AUD
View
Price last confirmed 20 days ago
A
Retailer 3
-
$11,003 AUD
View
Retailer 4
-
$11,706 AUD
View
Price last confirmed 7 days ago
Retailer 5
-
$13,225 AUD
View
Price last confirmed 18 days ago
Retailer 6
-
$13,391 AUD
View
Price last confirmed 7 days ago
Retailer 7
-
$13,413 AUD
View
Price last confirmed 8 days ago
B+
Retailer 8
-
$13,451 AUD
View
Retailer 9
-
$13,551 AUD
View
Price last confirmed 8 days ago
Retailer 10
-
$13,620 AUD
View
Price last confirmed 8 days ago
B+
Retailer 11
-
$13,740 AUD
View
Retailer 12
-
$13,912 AUD
View
Price last confirmed 8 days ago
Retailer 13
-
$14,656 AUD
View
Price last confirmed 7 days ago
Retailer 14
-
$15,477 AUD
View
Price last confirmed 10 days ago
Retailer 15
-
$18,794 AUD
View
Price last confirmed 8 days ago
Most Expensive
NZ Jewellers
753e4da4-8fb1-4457-91d8-781e80a70738 · Oct 30
$22,435 AUD
$15,415 USD
View
Price last confirmed 7 days ago
15 more retailers have this diamond
Prices start from $11,003 AUDSave up to $2,738 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
$11,003 AUD