Round|Natural|GIA

2.51ct D SI2 Round Natural Diamond

VG • D/SI2 • GIA 1539288704

Certificate GIA 1539288704

Diamond specifications and retailer prices

From $18,026 USD
As of October 30, 2026
Save $6,403 USD (26%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $24,429 USD at Yorxs · As of October 30, 2026
View at Yorxs

About this 2.51ct natural round diamond

This 2.51ct natural round sits in the two to three carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 1539288704. Listed at 8 retailers as of October 30, 2026, with prices from $18,026 to $24,429, a $6,403 spread on the same certified stone. Yorxs lists it at $24,429. 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
D
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 1539288704
Dimensions8.40 × 8.50 × 5.47 mm
L/W Ratio1.01
Top View
8.40 mm8.50 mm2.51 ctD / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateGIA 1539288704
Side View
Table 55.0%CrownGirdle: STK-THKPavilionCulet: NoneDepth 64.7%

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: $20,909 USD|Low: $17,849 USD|High: $24,429 USD|Avg: $20,811 USD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Yorxs
October 30, 2026
Retailer 2$18,026 USD
Retailer 6$19,102 USD
Retailer 7$19,278 USD
Retailer 8$20,490 USD
Retailer 1$20,909 USD
Retailer 4$21,560 USD
Retailer 5$21,560 USD
Retailer 3$22,280 USD
Yorxs$24,429 USD

18 data points across 9 retailers

8 retailers$18,026 USD to $24,429 USD

A
Cheapest Retailer
-
$18,026 USD
A
Retailer 2
-
$19,102 USD
View
A
Retailer 3
-
$19,278 USD
View
A
Retailer 4
-
$20,909 USD
View
A
Retailer 5
-
$21,560 USD
View
A
Retailer 6
-
$21,560 USD
View
A
Retailer 7
-
$22,280 USD
View
Most Expensive
B+
Yorxs
8S093 · Oct 30
$24,429 USD
€23,266 EUR
View
7 more retailers have this diamond
Prices start from $18,026 USDSave up to $6,403 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
$18,026 USD