Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 6542103094

Certificate GIA 6542103094

Diamond specifications and retailer prices

From $2,450 USD
As of October 26, 2026
Save $3,863 USD (61%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $6,313 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 top-tier cut grade and certified by GIA 6542103094. Listed at 12 retailers as of October 26, 2026, with prices from $2,450 to $6,313, a $3,863 spread on the same certified stone. NZ Jewellers lists it at $6,313. 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

1.29
Carat
I
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 6542103094
Dimensions6.90 × 6.93 × 4.35 mm
L/W Ratio1.00
Top View
6.90 mm6.93 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6542103094
Side View
Table 57.0%Crown 35°Girdle: THN-STKPavilion 41.2°Culet: NoneDepth 62.9%

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 26
Current: $3,210 USD|Low: $2,570 USD|High: $5,110 USD|Avg: $3,404 USD|+3.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 6$2,570 USD
Retailer 4$2,736 USD
Retailer 1$3,210 USD
Retailer 5$3,506 USD
Retailer 2$3,545 USD
Retailer 3$5,057 USD

40 data points across 6 retailers

12 retailers$2,450 USD to $6,313 USD

A
Cheapest Retailer
-
$2,450 USD
A
Retailer 2
-
$2,570 USD
View
A
Retailer 3
-
$2,736 USD
View
A
Retailer 4
-
$2,736 USD
View
A
Retailer 5
-
$2,841 USD
View
A
Retailer 6
-
$2,992 USD
CA$4,155 CAD
View
A
Retailer 7
-
$3,157 USD
View
A
Retailer 8
-
$3,210 USD
£2,527 GBP
View
Retailer 9
-
$3,506 USD
View
Price last confirmed 7 days ago
A
Retailer 10
-
$3,545 USD
€3,376 EUR
View
B+
Retailer 11
-
$5,057 USD
£3,982 GBP
View
Most Expensive
B
NZ Jewellers
c654bc27-89ee-406e-89b9-5554051b9169 · Oct 30
$6,313 USD
View
11 more retailers have this diamond
Prices start from $2,450 USDSave up to $3,863 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
$2,450 USD