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Round|Natural|GIA

2.51ct G VS1 Round Natural Diamond

EX • G/VS1 • GIA 2564333669

Certificate GIA 2564333669

Diamond specifications and retailer prices

From $34,130 AUD
HK$187,300 HKD
As of October 30, 2026
Save $34,691 AUD (50%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $68,821 AUD at With Clarity · As of October 30, 2026
View at With Clarity

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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by GIA 2564333669. Listed at 7 retailers as of October 30, 2026, with prices from $34,130 to $68,821, a $34,691 spread on the same certified stone. With Clarity lists it at $68,821. 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
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
Crown angle35.5°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 2564333669
Dimensions8.59 × 8.65 × 5.43 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Pinpoint
Top View
8.59 mm8.65 mm2.51 ctG / VS1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2564333669
Side View
Table 56.0%Crown 35.5°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 63.0%

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: Oct 30
Current: $49,237 AUD|Low: $34,130 AUD|High: $68,821 AUD|Avg: $44,861 AUD|-2.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
With Clarity
November 1, 2026
Retailer 5$34,130 AUD
Retailer 7$38,261 AUD
Retailer 3$40,196 AUD
Retailer 8$41,059 AUD
Retailer 6$42,065 AUD
Retailer 4$42,954 AUD
Retailer 2$48,512 AUD
Retailer 1$49,237 AUD
With Clarity$68,821 AUD

29 data points across 9 retailers

7 retailers$34,130 AUD to $68,821 AUD

A
Cheapest Retailer
-
$34,130 AUD
HK$187,300 HKD
A
Retailer 2
-
$40,196 AUD
₹2,689,114 INR
View
A
Retailer 3
-
$42,065 AUD
$29,548 USD
View
A
Retailer 4
-
$42,954 AUD
SGD 40,774 SGD
View
A
Retailer 5
-
$48,512 AUD
€32,454 EUR
View
A
Retailer 6
-
$49,237 AUD
View
Most Expensive
B
With Clarity
2564333669 · Oct 30
$68,821 AUD
$48,343 USD
View
6 more retailers have this diamond
Prices start from $34,130 AUDSave up to $34,691 AUD

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
$34,130 AUD