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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 $2,595 SGD
$2,030 USD
As of November 1, 2026
Save $4,212 SGD (62%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $6,807 SGD 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 $2,595 to $6,807, a $4,212 spread on the same certified stone. NZ Jewellers lists it at $6,807. 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
Colour
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: $6,807 SGD|Low: $1,977 SGD|High: $6,807 SGD|Avg: $3,206 SGD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 4$1,977 SGD
Retailer 3$2,316 SGD
Retailer 7$2,595 SGD
Retailer 10$2,665 SGD
Retailer 9$2,723 SGD
Retailer 5$2,949 SGD
Retailer 11$2,949 SGD
Retailer 6$3,086 SGD
Retailer 8$3,403 SGD
Retailer 12$3,874 SGD
Retailer 2$4,066 SGD
NZ Jewellers$6,807 SGD

23 data points across 12 retailers

9 retailers$2,595 SGD to $6,807 SGD

A
Cheapest Retailer
-
$2,595 SGD
$2,030 USD
A
Retailer 2
-
$2,665 SGD
$2,085 USD
View
B+
Retailer 3
-
$2,723 SGD
$2,130 USD
View
Final sale: no returns
B+
Retailer 4
-
$2,949 SGD
$2,307 USD
View
B+
Retailer 5
-
$2,949 SGD
$2,307 USD
View
B+
Retailer 6
-
$3,086 SGD
$2,414 USD
View
B+
Retailer 7
-
$3,403 SGD
$2,662 USD
View
B+
Retailer 8
-
$4,066 SGD
€3,029 EUR
View
Most Expensive
B+
NZ Jewellers
e67fd79e-422a-447c-837f-ecca411ad1ec · Oct 30
$6,807 SGD
$5,325 USD
View
8 more retailers have this diamond
Prices start from $2,595 SGDSave up to $4,212 SGD

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
$2,595 SGD