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Round|Natural|GIA

1.28ct I VVS1 Round Natural Diamond

VG • I/VVS1 • GIA 2151635387

Certificate GIA 2151635387

Diamond specifications and retailer prices

From €4,165 EUR
$4,653 USD
As of October 31, 2026
Save €1,575 EUR (27%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: €5,740 EUR at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

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 I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by GIA 2151635387. Listed at 6 retailers as of October 31, 2026, with prices from €4,165 to €5,740, a €1,575 spread on the same certified stone. 77 Diamonds lists it at €5,740. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.28
Carat
I
Colour
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2151635387
Dimensions6.87 × 6.98 × 4.38 mm
L/W Ratio1.02
Top View
6.87 mm6.98 mm1.28 ctI / VVS1
OriginNatural
CutVery Good
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2151635387
Side View
Table 57.0%CrownGirdle: THN-STKPavilionCulet: NoneDepth 63.3%

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: Oct 31
Current: €5,740 EUR|Low: €4,109 EUR|High: €5,777 EUR|Avg: €5,153 EUR|+1.7%
77 Diamonds
Retailer 2
Retailer 3
November 2, 2026
Retailer 3€4,165 EUR
Retailer 2€5,697 EUR
77 Diamonds€5,740 EUR

31 data points across 3 retailers

6 retailers€4,165 EUR to €5,740 EUR

A
Cheapest Retailer
-
€4,165 EUR
$4,653 USD
A
Retailer 2
-
€4,255 EUR
$4,754 USD
View
A
Retailer 3
-
€4,380 EUR
$4,893 USD
View
A
Retailer 4
-
€4,434 EUR
$4,953 USD
View
B+
Retailer 5
-
€5,697 EUR
View
Most Expensive
B+
77 Diamonds
RBMBDSCNJB2J · Nov 2
€5,740 EUR
£5,050 GBP
View
5 more retailers have this diamond
Prices start from €4,165 EURSave up to €1,575 EUR

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
1.28ct Round
€4,165 EUR