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Round|Natural|GIA

1.51ct D I1 Round Natural Diamond

VG • D/I1 • GIA 6551703440

Certificate GIA 6551703440

Diamond specifications and retailer prices

From €3,724 EUR
HK$32,500 HKD
As of November 1, 2026
Save €4,471 EUR (55%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €8,195 EUR at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded D colour (colourless) and I1 clarity (included), with a very-good cut grade and certified by GIA 6551703440. Listed at 11 retailers as of October 26, 2026, with prices from €3,724 to €8,195, a €4,471 spread on the same certified stone. Wholesale Diamonds Direct lists it at €8,195. 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

1.51
Carat
D
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6551703440
Dimensions7.07 × 7.16 × 4.63 mm
L/W Ratio1.01
Culet sizeNone
Key to symbols
Crystal, Feather, Cavity, Knot, Needle, Indented Natural
Top View
7.07 mm7.16 mm1.51 ctD / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 6551703440
Side View
Table 57.0%Crown 37.5°Girdle: STK-THKPavilion 40.8°Culet: NoneDepth 65.0%

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: Nov 1
Current: €3,794 EUR|Low: €3,689 EUR|High: €9,103 EUR|Avg: €5,669 EUR|-12.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 6€3,724 EUR
Retailer 1€3,794 EUR
Retailer 5€4,192 EUR
Retailer 3€4,381 EUR
Retailer 4€4,806 EUR
Retailer 2€5,414 EUR
Retailer 9€5,443 EUR
Retailer 7€5,545 EUR
Retailer 8€8,037 EUR

45 data points across 9 retailers

11 retailers€3,724 EUR to €8,195 EUR

A
Cheapest Retailer
-
€3,724 EUR
HK$32,500 HKD
A
Retailer 2
-
€3,794 EUR
₹403,681 INR
View
B+
Retailer 3
-
€4,192 EUR
$4,683 USD
View
A
Retailer 4
-
€4,381 EUR
$4,894 USD
View
B+
Retailer 5
-
€4,806 EUR
$5,369 USD
View
B+
Retailer 6
-
€5,414 EUR
View
B+
Retailer 7
-
€5,443 EUR
$6,081 USD
View
B+
Retailer 8
-
€5,443 EUR
$6,081 USD
View
B+
Retailer 9
-
€5,545 EUR
$6,195 USD
View
B
Retailer 10
-
€8,037 EUR
$8,979 USD
View
Most Expensive
B
Wholesale Diamonds Direct
257502714 · Oct 26
€8,195 EUR
$9,155 USD
View
10 more retailers have this diamond
Prices start from €3,724 EURSave up to €4,471 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
1.51ct Round
€3,724 EUR