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Round|Natural|GIA

1.28ct H VVS1 Round Natural Diamond

EX • H/VVS1 • GIA 10637141

Certificate GIA 10637141

Diamond specifications and retailer prices

From $15,935 AUD
As of November 4, 2026
Save $5,947 AUD (27%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $28,403 AUD 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 4, 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 4
Current: $28,403 AUD|Low: $15,935 AUD|High: $28,824 AUD|Avg: $21,354 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 6, 2026
Retailer 8$15,935 AUD
Retailer 6$17,476 AUD
Retailer 3$19,133 AUD
Retailer 7$19,452 AUD
Retailer 5$19,578 AUD
Retailer 4$21,882 AUD
Retailer 2$26,606 AUD
MOH London$28,403 AUD

45 data points across 8 retailers

23 retailers$15,935 AUD to $21,882 AUD

B
Cheapest Retailer
-
$15,935 AUD
B
Retailer 2
-
$16,919 AUD
View
B
Retailer 3
-
$17,041 AUD
View
B
Retailer 4
-
$17,052 AUD
View
B
Retailer 5
-
$17,476 AUD
View
Final sale: no returns
B
Retailer 6
-
$17,935 AUD
View
Retailer 7
-
$18,236 AUD
View
Price last confirmed 8 days ago
B
Retailer 8
-
$19,133 AUD
View
B
Retailer 9
-
$19,452 AUD
View
Retailer 10
-
$19,578 AUD
View
Price last confirmed 14 days ago
Retailer 11
-
$19,756 AUD
View
Price last confirmed 60 days ago
B
Retailer 12
-
$19,756 AUD
View
B
Retailer 13
-
$20,515 AUD
View
B
Retailer 14
-
$20,928 AUD
View
B
Retailer 15
-
$20,928 AUD
View
B
Retailer 16
-
$21,403 AUD
View
B
Retailer 17
-
$21,627 AUD
View
B
Retailer 18
-
$21,862 AUD
View
B
Retailer 19
-
$21,882 AUD
View
Retailer 20
-
$25,834 AUD
View
Price under review
Retailer 21
-
$26,606 AUD
View
Price under review
Most Expensive
MOH London
C12020941 · Nov 4
$28,403 AUD
£15,656 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $15,935 AUDSave up to $5,947 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.

B
1.28ct Round
$15,935 AUD