Round|Natural|IGI

1.51ct I IF Round Natural Diamond

EX • I/IF • IGI 693503105

Shape and cutting style on the report: Round brilliant

Certificate IGI 693503105

Diamond specifications and retailer prices

From $5,151 USD
₹490,602 INR
As of November 2, 2026
Save $4,602 USD (47%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $11,072 USD at NZ Jewellers · As of September 19, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 693503105. Listed at 15 retailers as of November 2, 2026, with a 89% 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

1.51
Carat
I
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 693503105
Dimensions7.28 × 7.22 × 4.56 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
7.28 mm7.22 mm1.51 ctI / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 693503105
Side View
Table 58.0%Crown 36.1°Girdle: MED-STKPavilion 41°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: Nov 2
Current: $6,381 USD|Low: $4,998 USD|High: $9,858 USD|Avg: $6,667 USD|-1.8%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 3, 2026
Retailer 2$5,151 USD
Retailer 7$5,740 USD
Retailer 8$6,110 USD
Retailer 9$6,111 USD
Retailer 1$6,381 USD
Retailer 3$6,589 USD
Retailer 4$6,807 USD
Retailer 6$8,134 USD
Retailer 5$9,754 USD

33 data points across 9 retailers

15 retailers$5,151 USD to $9,754 USD

A
Cheapest Retailer
-
$5,151 USD
₹490,602 INR
A
Retailer 2
-
$5,716 USD
View
A
Retailer 3
-
$5,740 USD
View
A
Retailer 4
-
$5,774 USD
View
A
Retailer 5
-
$6,110 USD
View
Final sale: no returns
A
Retailer 6
-
$6,145 USD
View
A
Retailer 7
-
$6,381 USD
£5,024 GBP
View
A
Retailer 8
-
$6,589 USD
£5,188 GBP
View
Retailer 9
-
$6,658 USD
View
Price last confirmed 40 days ago
A
Retailer 10
-
$6,779 USD
View
A
Retailer 11
-
$6,807 USD
€6,483 EUR
View
Retailer 12
-
$7,639 USD
View
Price last confirmed 41 days ago
A
Retailer 13
-
$8,134 USD
ZAR 131,402 ZAR
View
B+
Retailer 14
-
$9,754 USD
£7,680 GBP
View
Most Expensive
NZ Jewellers
8e40e6fa-e306-4c29-a413-7b33e266e2f8 · Sep 19
$11,072 USD
View
Price last confirmed 44 days ago
14 more retailers have this diamond
Prices start from $5,151 USDSave up to $4,602 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
$5,151 USD