CaratHunter
Plans
Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

VG • I/SI2 • GIA 2146627914

Certificate GIA 2146627914

Diamond specifications and retailer prices

From $2,903 USD
A$4,466 AUD
As of October 30, 2026
Save $1,172 USD (29%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $4,075 USD at 77 Diamonds · As of October 30, 2026
View at 77 Diamonds

About this 1.29ct natural round diamond

This 1.29ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by GIA 2146627914. Listed at 4 retailers as of October 30, 2026, with prices from $2,903 to $4,075, a $1,172 spread on the same certified stone. 77 Diamonds lists it at $4,075. 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

1.29
Carat
I
Color
SI2
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2146627914
Dimensions6.81 × 6.85 × 4.39 mm
L/W Ratio1.01
Top View
6.81 mm6.85 mm1.29 ctI / SI2
OriginNatural
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 2146627914
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCuletDepth 64.2%

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: $4,075 USD|Low: $3,616 USD|High: $4,101 USD|Avg: $3,843 USD|+1.7%
77 Diamonds
Retailer 2
Retailer 3
October 31, 2026
Retailer 3$3,616 USD
Retailer 2$3,833 USD
77 Diamonds$4,075 USD

32 data points across 3 retailers

4 retailers$2,903 USD to $4,075 USD

A
Cheapest Retailer
-
$2,903 USD
A$4,466 AUD
B+
Retailer 2
-
$3,616 USD
View
B+
Retailer 3
-
$3,833 USD
€3,650 EUR
View
Most Expensive
B+
77 Diamonds
RBJDJNCQC3C · Oct 30
$4,075 USD
£3,208 GBP
View
3 more retailers have this diamond
Prices start from $2,903 USDSave up to $1,172 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
1.29ct Round
$2,903 USD