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Round|Natural|IGI

1.51ct I VS1 Round Natural Diamond

EX • I/VS1 • IGI 825619287

Shape and cutting style on the report: Round brilliant

Certificate IGI 825619287

Diamond specifications and retailer prices

From $3,862 USD
₹367,805 INR
As of October 29, 2026
Save $4,621 USD (54%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $8,483 USD at NZ Jewellers · As of October 30, 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI 825619287. Listed at 17 retailers as of October 29, 2026, with prices from $3,862 to $8,483, a $4,621 spread on the same certified stone. NZ Jewellers lists it at $8,483. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
I
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle41.5°
OriginNatural
Grading LabIGI
CertificateIGI 825619287
Dimensions7.29 × 7.33 × 4.59 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Top View
7.29 mm7.33 mm1.51 ctI / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 825619287
Side View
Table 58.0%Crown 35.1°Girdle: MED-STKPavilion 41.5°Culet: NoneDepth 62.8%

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 29
Current: $8,483 USD|Low: $3,836 USD|High: $8,483 USD|Avg: $5,449 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
Retailer 18
October 30, 2026
Retailer 12$3,862 USD
Retailer 8$4,424 USD
Retailer 18$4,681 USD
Retailer 3$4,770 USD
Retailer 10$5,035 USD
Retailer 6$5,072 USD
Retailer 7$5,072 USD
Retailer 17$5,072 USD
Retailer 11$5,128 USD
Retailer 16$5,210 USD
Retailer 5$5,224 USD
Retailer 9$5,320 USD
Retailer 2$5,417 USD
Retailer 15$5,594 USD
Retailer 4$5,852 USD
Retailer 14$6,176 USD
Retailer 13$8,122 USD
NZ Jewellers$8,483 USD

33 data points across 18 retailers

17 retailers$3,862 USD to $8,483 USD

A
Cheapest Retailer
-
$3,862 USD
₹367,805 INR
A
Retailer 2
-
$4,424 USD
View
A
Retailer 3
-
$4,681 USD
View
Final sale: no returns
A
Retailer 4
-
$4,770 USD
View
A
Retailer 5
-
$5,035 USD
View
A
Retailer 6
-
$5,072 USD
View
A
Retailer 7
-
$5,072 USD
View
A
Retailer 8
-
$5,128 USD
£4,038 GBP
View
Retailer 9
-
$5,210 USD
View
Price last confirmed 15 days ago
A
Retailer 10
-
$5,224 USD
View
A
Retailer 11
-
$5,320 USD
View
A
Retailer 12
-
$5,417 USD
€5,159 EUR
View
A
Retailer 13
-
$5,594 USD
£4,405 GBP
View
A
Retailer 14
-
$5,852 USD
View
A
Retailer 15
-
$6,176 USD
ZAR 99,781 ZAR
View
B+
Retailer 16
-
$8,122 USD
£6,395 GBP
View
Most Expensive
B+
NZ Jewellers
69b5d240-e924-4d04-9fcc-4e4d8aaaf79d · Oct 30
$8,483 USD
View
16 more retailers have this diamond
Prices start from $3,862 USDSave up to $4,621 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
$3,862 USD