Round|Natural|GIA

2.51ct H SI1 Round Natural Diamond

VG • H/SI1 • GIA 5242063572

Certificate GIA 5242063572

Diamond specifications and retailer prices

From $19,149 USD
SGD 25,877 SGD
As of October 30, 2026
Save $16,603 USD (46%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $35,752 USD 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 H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by GIA 5242063572. Listed at 15 retailers as of October 30, 2026, with prices from $19,149 to $35,752, a $16,603 spread on the same certified stone. With Clarity lists it at $35,752. 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
H
Color
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle40.2°
OriginNatural
Grading LabGIA
CertificateGIA 5242063572
Dimensions8.41 × 8.46 × 5.45 mm
L/W Ratio1.01
Culet sizeNone
Top View
8.41 mm8.46 mm2.51 ctH / SI1
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242063572
Side View
Table 57.0%Crown 38.5°Girdle: MED-THKPavilion 40.2°Culet: NoneDepth 64.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $29,405 USD|Low: $19,149 USD|High: $35,752 USD|Avg: $24,185 USD
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
Retailer 14
With Clarity
October 31, 2026
Retailer 5$19,149 USD
Retailer 14$20,574 USD
Retailer 7$20,608 USD
Retailer 4$20,900 USD
Retailer 9$20,975 USD
Retailer 6$21,361 USD
Retailer 10$21,595 USD
Retailer 11$21,852 USD
Retailer 13$24,112 USD
Retailer 3$24,609 USD
Retailer 8$24,640 USD
Retailer 12$25,774 USD
Retailer 1$29,405 USD
Retailer 2$30,861 USD
With Clarity$35,752 USD

36 data points across 15 retailers

15 retailers$19,149 USD to $35,752 USD

B+
Cheapest Retailer
-
$19,149 USD
SGD 25,877 SGD
B+
Retailer 2
-
$20,574 USD
View
B+
Retailer 3
-
$20,608 USD
£16,227 GBP
View
B+
Retailer 4
-
$20,900 USD
View
B+
Retailer 5
-
$20,975 USD
View
B+
Retailer 6
-
$21,361 USD
View
B+
Retailer 7
-
$21,595 USD
SGD 29,182 SGD
View
B+
Retailer 8
-
$21,852 USD
View
B
Retailer 9
-
$24,112 USD
View
B
Retailer 10
-
$24,609 USD
View
B
Retailer 11
-
$24,640 USD
€23,467 EUR
View
B
Retailer 12
-
$25,774 USD
View
B
Retailer 13
-
$29,405 USD
View
B
Retailer 14
-
$30,861 USD
View
Most Expensive
B
With Clarity
5242063572 · Oct 30
$35,752 USD
View
14 more retailers have this diamond
Prices start from $19,149 USDSave up to $16,603 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.

B+
2.51ct Round
$19,149 USD