Round|Natural|IGI

2.51ct G SI2 Round Natural Diamond

VG • G/SI2 • IGI 835613860

Shape and cutting style on the report: Round brilliant

Certificate IGI 835613860

Diamond specifications and retailer prices

From $8,430 USD
As of October 30, 2026
Save $7,884 USD (48%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $16,314 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI 835613860. Listed at 15 retailers as of October 30, 2026, with prices from $8,430 to $16,314, a $7,884 spread on the same certified stone. NZ Jewellers lists it at $16,314. 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

2.51
Carat
G
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.1°
Pavilion angle41.7°
OriginNatural
Grading LabIGI
CertificateIGI 835613860
Dimensions8.47 × 8.52 × 5.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Top View
8.47 mm8.52 mm2.51 ctG / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 835613860
Side View
Table 61.0%Crown 37.1°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 64.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $16,314 USD|Low: $7,091 USD|High: $16,314 USD|Avg: $10,125 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
October 30, 2026
Retailer 7$7,134 USD
Retailer 4$8,430 USD
Retailer 5$8,648 USD
Retailer 12$9,004 USD
Retailer 8$9,413 USD
Retailer 6$9,530 USD
Retailer 3$9,754 USD
Retailer 11$9,756 USD
Retailer 13$9,904 USD
Retailer 10$9,973 USD
Retailer 2$10,133 USD
Retailer 14$11,254 USD
Retailer 9$13,666 USD
NZ Jewellers$16,314 USD

14 data points across 14 retailers

15 retailers$8,430 USD to $16,314 USD

Retailer 1
-
$7,134 USD
₹679,388 INR
Price under review
A
Retailer 2
-
$8,430 USD
View
A
Retailer 3
-
$8,648 USD
View
A
Retailer 4
-
$9,004 USD
View
A
Retailer 5
-
$9,413 USD
£7,412 GBP
View
A
Retailer 6
-
$9,530 USD
View
A
Retailer 7
-
$9,690 USD
View
A
Retailer 8
-
$9,754 USD
View
A
Retailer 9
-
$9,756 USD
View
A
Retailer 10
-
$9,904 USD
View
A
Retailer 11
-
$9,973 USD
View
A
Retailer 12
-
$10,133 USD
€9,650 EUR
View
B+
Retailer 13
-
$11,254 USD
View
A
Retailer 14
-
$13,666 USD
£10,761 GBP
View
Most Expensive
B+
NZ Jewellers
fc532552-2595-462d-85e1-9a4f50fe25a9 · Oct 30
$16,314 USD
View
14 more retailers have this diamond
Prices start from $8,430 USDSave up to $7,884 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
2.51ct Round
$8,430 USD