Round|Natural|GIA

1.28ct H VVS1 Round Natural Diamond

EX • H/VVS1 • GIA 10637141

Certificate GIA 10637141

Diamond specifications and retailer prices

From $20,123 NZD
As of November 6, 2026
Save $7,510 NZD (27%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $35,867 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 1.28ct natural round diamond

This 1.28ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by GIA 10637141. Listed at 23 retailers as of November 5, 2026, with a 37% 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

1.28
Carat
H
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 10637141
Dimensions7.06 × 7.10 × 4.28 mm
L/W Ratio1.01
Culet sizeNone
Top View
7.06 mm7.10 mm1.28 ctH / VVS1
OriginNatural
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceMedium
CertificateGIA 10637141
Side View
Table 57.0%CrownGirdle: THN-MEDPavilionCulet: NoneDepth 60.5%

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 6
Current: $35,867 NZD|Low: $20,123 NZD|High: $36,399 NZD|Avg: $26,966 NZD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$20,123 NZD
Retailer 6$22,069 NZD
Retailer 3$24,161 NZD
Retailer 7$24,564 NZD
Retailer 5$24,722 NZD
Retailer 4$27,632 NZD
Retailer 2$33,598 NZD
MOH London$35,867 NZD

45 data points across 8 retailers

23 retailers$20,123 NZD to $27,632 NZD

B
Cheapest Retailer
-
$20,123 NZD
B
Retailer 2
-
$21,365 NZD
View
B
Retailer 3
-
$21,519 NZD
View
B
Retailer 4
-
$21,533 NZD
View
B
Retailer 5
-
$22,069 NZD
View
Final sale: no returns
B
Retailer 6
-
$22,648 NZD
View
Retailer 7
-
$23,029 NZD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$24,161 NZD
View
B
Retailer 9
-
$24,564 NZD
View
Retailer 10
-
$24,722 NZD
View
Price last confirmed 14 days ago
Retailer 11
-
$24,948 NZD
View
Price last confirmed 60 days ago
B
Retailer 12
-
$24,948 NZD
View
B
Retailer 13
-
$25,906 NZD
View
B
Retailer 14
-
$26,427 NZD
View
B
Retailer 15
-
$26,427 NZD
View
B
Retailer 16
-
$27,028 NZD
View
B
Retailer 17
-
$27,311 NZD
View
B
Retailer 18
-
$27,607 NZD
View
B
Retailer 19
-
$27,632 NZD
View
Retailer 20
-
$32,624 NZD
View
Price under review
Retailer 21
-
$33,598 NZD
View
Price under review
Most Expensive
MOH London
C12020941 · Nov 4
$35,867 NZD
£15,656 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $20,123 NZDSave up to $7,510 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
1.28ct Round
$20,123 NZD