Round|Natural|GIA

1.25ct H SI2 Round Natural Diamond

EX • H/SI2 • GIA 6552572356

Certificate GIA 6552572356

Diamond specifications and retailer prices

From $2,760 USD
As of November 6, 2026
Save $3,073 USD (53%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $6,093 USD at NZ Jewellers · As of September 28, 2026
View at NZ Jewellers

About this 1.25ct natural round diamond

This 1.25ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552572356. Listed at 20 retailers as of November 4, 2026, with a 111% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.25
Carat
H
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552572356
Dimensions6.81 × 6.85 × 4.27 mm
L/W Ratio1.01
Girdle conditionSlightly Thick to Slightly Thick
Key to symbols
Twinning Wisp, Feather, Needle
Top View
6.81 mm6.85 mm1.25 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552572356
Side View
Table 58.0%Crown 36°Girdle: STK-STKPavilion 40.8°Culet: NoneDepth 62.6%

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: Nov 6
Current: $3,632 USD|Low: $2,627 USD|High: $6,097 USD|Avg: $3,535 USD|+0.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 8$2,760 USD
Retailer 5$2,788 USD
Retailer 7$2,865 USD
Retailer 6$2,924 USD
Retailer 2$3,269 USD
Retailer 9$3,476 USD
Retailer 10$3,630 USD
Retailer 1$3,632 USD
Retailer 3$3,990 USD
Retailer 4$5,833 USD

43 data points across 10 retailers

20 retailers$2,760 USD to $5,833 USD

A
Cheapest Retailer
-
$2,760 USD
A
Retailer 2
-
$2,788 USD
View
A
Retailer 3
-
$2,865 USD
View
A
Retailer 4
-
$2,924 USD
View
Final sale: no returns
A
Retailer 5
-
$2,947 USD
View
Retailer 6
-
$3,169 USD
View
Price last confirmed 50 days ago
Retailer 7
-
$3,169 USD
View
Price last confirmed 29 days ago
A
Retailer 8
-
$3,269 USD
View
Retailer 9
-
$3,389 USD
View
Price last confirmed 38 days ago
A
Retailer 10
-
$3,476 USD
View
B+
Retailer 11
-
$3,630 USD
View
B+
Retailer 12
-
$3,630 USD
View
B+
Retailer 13
-
$3,632 USD
View
Retailer 14
-
$3,656 USD
View
Price last confirmed 48 days ago
Retailer 15
-
$3,656 USD
View
Price last confirmed 28 days ago
B+
Retailer 16
-
$3,750 USD
View
B+
Retailer 17
-
$3,990 USD
View
B
Retailer 18
-
$5,833 USD
View
Retailer 19
-
$6,093 USD
View
Price last confirmed 48 days ago
Most Expensive
NZ Jewellers
cb690922-249a-4408-bb91-5a1185c9570f · Sep 28
$6,093 USD
View
Price last confirmed 39 days ago
19 more retailers have this diamond
Prices start from $2,760 USDSave up to $3,073 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
1.25ct Round
$2,760 USD