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1.51ct G I1 Round Natural Diamond

EX • G/I1 • IGI 628465332

Shape and cutting style on the report: Round brilliant

Certificate IGI 628465332

Diamond specifications and retailer prices

From $1,861 USD
₹177,236 INR
As of November 2, 2026
Save $3,647 USD (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $5,508 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 G colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by IGI 628465332. Listed at 8 retailers as of November 2, 2026, with prices from $1,861 to $5,508, a $3,647 spread on the same certified stone. NZ Jewellers lists it at $5,508. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36°
Pavilion angle40.7°
OriginNatural
Grading LabIGI
CertificateIGI 628465332
Dimensions7.31 × 7.34 × 4.58 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
IDEAL CUT ROUND BRILLIANT
Top View
7.31 mm7.34 mm1.51 ctG / I1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateIGI 628465332
Side View
Table 56.0%Crown 36°Girdle: MediumPavilion 40.7°Culet: NoneDepth 62.4%

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: $5,508 USD|Low: $1,857 USD|High: $5,508 USD|Avg: $3,034 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 2, 2026
Retailer 2$1,861 USD
Retailer 4$2,360 USD
Retailer 6$2,635 USD
Retailer 8$2,635 USD
Retailer 5$2,736 USD
Retailer 7$3,040 USD
Retailer 3$3,276 USD
NZ Jewellers$5,508 USD

42 data points across 8 retailers

8 retailers$1,861 USD to $5,508 USD

A
Cheapest Retailer
-
$1,861 USD
₹177,236 INR
A
Retailer 2
-
$2,360 USD
View
B+
Retailer 3
-
$2,635 USD
View
B+
Retailer 4
-
$2,635 USD
View
B+
Retailer 5
-
$2,736 USD
View
B+
Retailer 6
-
$3,040 USD
View
A
Retailer 7
-
$3,276 USD
€3,120 EUR
View
Most Expensive
B
NZ Jewellers
6dcddb49-6113-4fd4-ab53-4a129925cb7b · Nov 2
$5,508 USD
View
7 more retailers have this diamond
Prices start from $1,861 USDSave up to $3,647 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
$1,861 USD