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Oval|Natural|IGI

1.51ct G I1 Oval Natural Diamond

VG • G/I1 • IGI 633443021

Shape and cutting style on the report: Oval brilliant

Certificate IGI 633443021

Diamond specifications and retailer prices

From $2,030 USD
As of November 1, 2026
Save $3,295 USD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $5,325 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.51ct natural oval diamond

This 1.51ct natural oval sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and I1 clarity (included), with a very-good cut grade and certified by IGI 633443021. Listed at 9 retailers as of October 30, 2026, with prices from $2,030 to $5,325, a $3,295 spread on the same certified stone. NZ Jewellers lists it at $5,325. 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
G
Color
I1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
Crown angle36.8°
Pavilion angle39.4°
OriginNatural
Grading LabIGI
CertificateIGI 633443021
Dimensions8.50 × 6.36 × 4.18 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Top View
8.50 mm6.36 mm1.51 ctG / I1
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceFaint
CertificateIGI 633443021
Side View
Table 58.0%Crown 36.8°Girdle: THK-VTKPavilion 39.4°Culet: NoneDepth 65.7%

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: $5,325 USD|Low: $1,546 USD|High: $5,325 USD|Avg: $2,505 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
October 31, 2026
Retailer 4$1,546 USD
Retailer 3$1,812 USD
Retailer 7$2,030 USD
Retailer 10$2,085 USD
Retailer 9$2,130 USD
Retailer 5$2,307 USD
Retailer 11$2,307 USD
Retailer 6$2,414 USD
Retailer 8$2,662 USD
Retailer 12$3,031 USD
Retailer 2$3,182 USD
NZ Jewellers$5,325 USD

22 data points across 12 retailers

9 retailers$2,030 USD to $5,325 USD

A
Cheapest Retailer
-
$2,030 USD
A
Retailer 2
-
$2,085 USD
View
B+
Retailer 3
-
$2,130 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,307 USD
View
B+
Retailer 5
-
$2,307 USD
View
B+
Retailer 6
-
$2,414 USD
View
B+
Retailer 7
-
$2,662 USD
View
B+
Retailer 8
-
$3,182 USD
€3,030 EUR
View
Most Expensive
B+
NZ Jewellers
e67fd79e-422a-447c-837f-ecca411ad1ec · Oct 30
$5,325 USD
View
8 more retailers have this diamond
Prices start from $2,030 USDSave up to $3,295 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 Oval
$2,030 USD