Round|Natural|IGI

1.51ct I VVS1 Round Natural Diamond

VG • I/VVS1 • IGI 646462155

Shape and cutting style on the report: Round brilliant

Certificate IGI 646462155

Diamond specifications and retailer prices

From $3,620 USD
₹344,788 INR
As of November 2, 2026
Save $4,390 USD (55%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,010 USD at NZ Jewellers · As of November 2, 2026
View at NZ Jewellers

About this 1.51ct natural round diamond

This 1.51ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VVS1 clarity (very-very-slightly-included), with a very-good cut grade and certified by IGI 646462155. Listed at 17 retailers as of November 2, 2026, with prices from $3,620 to $8,010, a $4,390 spread on the same certified stone. NZ Jewellers lists it at $8,010. 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
I
Color
VVS1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle38.6°
Pavilion angle40.2°
OriginNatural
Grading LabIGI
CertificateIGI 646462155
Dimensions7.15 × 7.04 × 4.60 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
7.15 mm7.04 mm1.51 ctI / VVS1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 646462155
Side View
Table 57.0%Crown 38.6°Girdle: ThickPavilion 40.2°Culet: NoneDepth 64.6%

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 2
Current: $8,010 USD|Low: $3,620 USD|High: $8,010 USD|Avg: $4,971 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
November 3, 2026
Retailer 11$3,620 USD
Retailer 15$3,920 USD
Retailer 8$4,010 USD
Retailer 9$4,243 USD
Retailer 16$4,345 USD
Retailer 12$4,576 USD
Retailer 3$4,597 USD
Retailer 5$4,597 USD
Retailer 6$4,597 USD
Retailer 10$4,630 USD
Retailer 7$4,747 USD
Retailer 4$5,156 USD
Retailer 2$5,190 USD
Retailer 17$5,305 USD
Retailer 14$5,651 USD
Retailer 13$7,323 USD
NZ Jewellers$8,010 USD

24 data points across 17 retailers

17 retailers$3,620 USD to $8,010 USD

A
Cheapest Retailer
-
$3,620 USD
₹344,788 INR
A
Retailer 2
-
$3,920 USD
View
A
Retailer 3
-
$4,010 USD
View
A
Retailer 4
-
$4,243 USD
View
Final sale: no returns
A
Retailer 5
-
$4,345 USD
View
A
Retailer 6
-
$4,576 USD
£3,603 GBP
View
A
Retailer 7
-
$4,597 USD
View
A
Retailer 8
-
$4,597 USD
View
A
Retailer 9
-
$4,597 USD
View
A
Retailer 10
-
$4,630 USD
£3,646 GBP
View
A
Retailer 11
-
$4,747 USD
View
A
Retailer 12
-
$5,156 USD
£4,060 GBP
View
A
Retailer 13
-
$5,190 USD
€4,943 EUR
View
A
Retailer 14
-
$5,305 USD
View
A
Retailer 15
-
$5,651 USD
ZAR 91,297 ZAR
View
A
Retailer 16
-
$7,323 USD
£5,766 GBP
View
Most Expensive
B+
NZ Jewellers
14d787f4-caef-4e97-a03b-859e77defca2 · Nov 2
$8,010 USD
View
16 more retailers have this diamond
Prices start from $3,620 USDSave up to $4,390 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.

A
1.51ct Round
$3,620 USD