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Round|Natural|GIA

1.51ct H VS1 Round Natural Diamond

EX • H/VS1 • GIA 2125555197

Certificate GIA 2125555197

Diamond specifications and retailer prices

From $24,118 NZD
As of November 4, 2026
Save $15,191 NZD (39%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $48,868 NZD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2125555197. Listed at 25 retailers as of November 4, 2026, with a 63% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2125555197
Dimensions7.41 × 7.33 × 4.53 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.41 mm7.33 mm1.51 ctH / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 2125555197
Side View
Table 57.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 61.4%

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 4
Current: $28,733 NZD|Low: $24,118 NZD|High: $43,856 NZD|Avg: $31,202 NZD|-1.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 7, 2026
Retailer 7$24,118 NZD
Retailer 2$24,161 NZD
Retailer 9$26,591 NZD
Retailer 1$28,733 NZD
Retailer 3$28,902 NZD
Retailer 8$29,135 NZD
Retailer 10$29,597 NZD
Retailer 5$32,196 NZD
Retailer 4$40,483 NZD
Retailer 6$43,218 NZD

44 data points across 10 retailers

25 retailers$24,118 NZD to $39,309 NZD

B
Cheapest Retailer
-
$24,118 NZD
B
Retailer 2
-
$24,161 NZD
View
B
Retailer 3
-
$25,390 NZD
View
B
Retailer 4
-
$25,511 NZD
View
B
Retailer 5
-
$25,996 NZD
View
B
Retailer 6
-
$26,010 NZD
View
B
Retailer 7
-
$26,591 NZD
View
Final sale: no returns
B
Retailer 8
-
$27,194 NZD
View
Retailer 9
-
$27,748 NZD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$28,733 NZD
View
B
Retailer 11
-
$28,902 NZD
View
Retailer 12
-
$29,135 NZD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$29,597 NZD
View
B
Retailer 14
-
$30,060 NZD
View
B
Retailer 15
-
$31,207 NZD
View
B
Retailer 16
-
$31,207 NZD
View
B
Retailer 17
-
$31,216 NZD
View
B
Retailer 18
-
$32,196 NZD
View
B
Retailer 19
-
$32,236 NZD
View
B
Retailer 20
-
$32,237 NZD
View
B
Retailer 21
-
$32,436 NZD
View
B
Retailer 22
-
$39,309 NZD
View
Retailer 23
-
$40,483 NZD
View
Price under review
Retailer 24
-
$43,218 NZD
View
Price under review
Most Expensive
Diamond Quarter
1.51VS1H2197EFBEN · Nov 5
$48,868 NZD
£21,331 GBP
View
Price under review
24 more retailers have this diamond
Prices start from $24,118 NZDSave up to $15,191 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
1.51ct Round
$24,118 NZD