Round|Natural|GIA

2.51ct F SI2 Round Natural Diamond

EX • F/SI2 • GIA 7548669833

Certificate GIA 7548669833

Diamond specifications and retailer prices

From $38,420 NZD
$21,617 USD
As of November 1, 2026
Save $8,648 NZD (18%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $47,068 NZD at Aurelinne · As of November 2, 2026
View at Aurelinne

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7548669833. Listed at 8 retailers as of November 1, 2026, with prices from $38,420 to $47,068, a $8,648 spread on the same certified stone. Aurelinne lists it at $47,068. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.51
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 7548669833
Dimensions8.65 × 5.40 × 5.40 mm
L/W Ratio1.60
Culet sizeNone
Top View
8.65 mm5.40 mm2.51 ctF / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7548669833
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.3%

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: $38,420 NZD|Low: $25,510 NZD|High: $46,338 NZD|Avg: $35,469 NZD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 3$25,510 NZD
Retailer 9$29,714 NZD
Retailer 8$32,313 NZD
Retailer 13$32,347 NZD
Retailer 12$32,605 NZD
Retailer 10$37,320 NZD
Retailer 2$37,441 NZD
Retailer 1$38,420 NZD
Retailer 6$38,463 NZD
Retailer 11$38,535 NZD
Retailer 7$39,474 NZD
Retailer 5$39,918 NZD
Retailer 4$46,338 NZD

19 data points across 13 retailers

8 retailers$38,420 NZD to $47,068 NZD

Retailer 1
-
$29,714 NZD
SGD 22,593 SGD
Price last confirmed 27 days ago
A
Retailer 2
-
$38,420 NZD
$21,617 USD
View
A
Retailer 3
-
$38,463 NZD
$21,641 USD
View
Retailer 4
-
$38,535 NZD
$21,682 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
$39,474 NZD
CA$30,848 CAD
View
B+
Retailer 6
-
$39,918 NZD
$22,460 USD
View
B+
Retailer 7
-
$45,325 NZD
$25,502 USD
View
Most Expensive
B+
Aurelinne
1c8174fc-e631-4bd0-a278-0c7a355735a1 · Nov 2
$47,068 NZD
$26,483 USD
View
7 more retailers have this diamond
Prices start from $38,420 NZDSave up to $8,648 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
$38,420 NZD