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2.51ct K IF Round Natural Diamond

EX • K/IF • IGI 737595422

Shape and cutting style on the report: Round brilliant

Certificate IGI 737595422

Diamond specifications and retailer prices

From $18,771 NZD
As of November 4, 2026
Save $9,779 NZD (34%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $28,550 NZD at MOH London · As of November 4, 2026
View at MOH London

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded K colour (faint-tinted) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI 737595422. Listed at 10 retailers as of November 4, 2026, with prices from $18,771 to $28,550, a $9,779 spread on the same certified stone. MOH London lists it at $28,550. At this carat range, natural pricing varies dramatically across retailers, so the cross-retailer spread on this exact stone is your single best indicator of fair price.

The 4Cs

2.51
Carat
K
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 737595422
Dimensions8.52 × 8.61 × 5.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
8.52 mm8.61 mm2.51 ctK / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 737595422
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 41°Culet: NoneDepth 63.6%

Caratlytics Score

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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: Nov 4
Current: $28,550 NZD|Low: $16,953 NZD|High: $100,207 NZD|Avg: $25,322 NZD|-6.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 9$17,501 NZD
Retailer 7$18,771 NZD
Retailer 6$19,145 NZD
Retailer 4$19,550 NZD
Retailer 10$20,320 NZD
Retailer 8$21,731 NZD
Retailer 2$22,220 NZD
Retailer 5$22,916 NZD
Retailer 3$25,168 NZD
MOH London$28,550 NZD

40 data points across 10 retailers

10 retailers$18,771 NZD to $28,550 NZD

A
Retailer 1
-
$17,501 NZD
Price last confirmed 7 days ago
A
Retailer 2
-
$18,771 NZD
View
A
Retailer 3
-
$19,145 NZD
View
A
Retailer 4
-
$19,550 NZD
View
Retailer 5
-
$20,320 NZD
View
Price last confirmed 25 days ago
A
Retailer 6
-
$21,731 NZD
View
A
Retailer 7
-
$22,220 NZD
View
A
Retailer 8
-
$22,916 NZD
View
A
Retailer 9
-
$25,168 NZD
View
Most Expensive
A
MOH London
D85FBF12C · Nov 4
$28,550 NZD
£12,637 GBP
View
9 more retailers have this diamond
Prices start from $18,771 NZDSave up to $9,779 NZD

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
$18,771 NZD