Round|Natural|GIA

1.28ct H VVS1 Round Natural Diamond

EX • H/VVS1 • GIA 10637141

Certificate GIA 10637141

Diamond specifications and retailer prices

From $11,155 USD
As of November 2, 2026
Save $4,220 USD (27%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $19,938 USD at MOH London · As of November 1, 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 2, 2026, with a 38% 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
Color
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 2
Current: $19,938 USD|Low: $11,155 USD|High: $20,178 USD|Avg: $14,686 USD|-0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 3, 2026
Retailer 8$11,155 USD
Retailer 9$11,930 USD
Retailer 6$12,234 USD
Retailer 2$13,527 USD
Retailer 7$13,617 USD
Retailer 5$13,705 USD
Retailer 10$15,304 USD
Retailer 3$15,375 USD
Retailer 4$18,755 USD
MOH London$19,938 USD

44 data points across 10 retailers

23 retailers$11,155 USD to $15,375 USD

B
Cheapest Retailer
-
$11,155 USD
B
Retailer 2
-
$11,844 USD
View
B
Retailer 3
-
$11,930 USD
CA$16,569 CAD
View
B
Retailer 4
-
$11,937 USD
View
B
Retailer 5
-
$12,234 USD
View
Final sale: no returns
B
Retailer 6
-
$12,555 USD
View
B
Retailer 7
-
$12,766 USD
View
B
Retailer 8
-
$13,527 USD
£10,651 GBP
View
B
Retailer 9
-
$13,617 USD
View
Retailer 10
-
$13,705 USD
A$21,085 AUD
View
Price last confirmed 10 days ago
Retailer 11
-
$13,830 USD
View
Price last confirmed 56 days ago
B
Retailer 12
-
$13,830 USD
View
B
Retailer 13
-
$14,361 USD
View
B
Retailer 14
-
$14,650 USD
View
B
Retailer 15
-
$14,650 USD
View
B
Retailer 16
-
$14,984 USD
View
B
Retailer 17
-
$15,140 USD
View
B
Retailer 18
-
$15,304 USD
View
B
Retailer 19
-
$15,375 USD
€14,643 EUR
View
Retailer 20
-
$18,085 USD
View
Price under review
Retailer 21
-
$18,755 USD
ZAR 302,983 ZAR
View
Price under review
Most Expensive
MOH London
C12020941 · Nov 1
$19,938 USD
£15,699 GBP
View
Price under review
21 more retailers have this diamond
Prices start from $11,155 USDSave up to $4,220 USD

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
$11,155 USD