Round|Natural|GIA

2.55ct H I1 Round Natural Diamond

EX • H/I1 • GIA 2556178287

Certificate GIA 2556178287

Diamond specifications and retailer prices

From $15,720 USD
As of November 2, 2026
Save $520 USD (3%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $16,240 USD at Jared · As of November 2, 2026
View at Jared

About this 2.55ct natural round diamond

This 2.55ct natural round sits in the two to three carat band, graded H colour (near-colourless) and I1 clarity (included), with a top-tier cut grade and certified by GIA 2556178287. Listed at 3 retailers as of November 2, 2026, with a relatively tight 3% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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

2.55
Carat
H
Color
I1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
Crown angle35°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 2556178287
Dimensions8.64 × 8.70 × 5.45 mm
L/W Ratio1.01
Top View
8.64 mm8.70 mm2.55 ctH / I1
OriginNatural
CutExcellent
PolishVery Good
SymmetryExcellent
FluorescenceMedium
CertificateGIA 2556178287
Side View
Table 59.0%Crown 35°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.8%

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: Nov 2
Current: $16,240 USD|Low: $11,456 USD|High: $16,480 USD|Avg: $14,818 USD
Jared
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
July 22, 2026
Retailer 3$11,456 USD
Retailer 4$15,720 USD
Retailer 5$15,720 USD
Retailer 6$15,868 USD
Jared$16,240 USD
Retailer 2$16,252 USD

42 data points across 6 retailers

3 retailers$15,720 USD to $16,240 USD

B+
Cheapest Retailer
-
$15,720 USD
B+
Retailer 2
-
$15,720 USD
View
Most Expensive
B+
Jared
159317944 · Nov 2
$16,240 USD
View
2 more retailers have this diamond
Prices start from $15,720 USDSave up to $520 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+
2.55ct Round
$15,720 USD