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Oval|Natural|IGI

1.29ct H SI2 Oval Natural Diamond

ID • H/SI2 • IGI 386

Certificate IGI 386

Diamond specifications and retailer prices

From $2,006 USD
As of October 30, 2026
Save $1,620 USD (45%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: $3,626 USD at Helzberg Diamonds · As of October 30, 2026
View at Helzberg Diamonds

About this 1.29ct natural oval diamond

This 1.29ct natural oval 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 IGI. Listed at 4 retailers as of October 30, 2026, with prices from $2,006 to $3,626, a $1,620 spread on the same certified stone. Helzberg Diamonds lists it at $3,626. 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
H
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabIGI
CertificateIGI 386
Dimensions8.70 × 6.25 × 3.77 mm
L/W Ratio1.39
Top View
8.70 mm6.25 mm1.29 ctH / SI2
OriginNatural
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 386
Side View
Table 60.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 60.3%

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 30
Current: $3,626 USD|Low: $1,834 USD|High: $4,275 USD|Avg: $2,690 USD|-14.1%
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 28, 2026
Retailer 5$1,834 USD
Retailer 3$2,006 USD
Retailer 2$2,022 USD
Retailer 4$3,347 USD
Helzberg Diamonds$3,626 USD

29 data points across 5 retailers

4 retailers$2,006 USD to $3,626 USD

A
Cheapest Retailer
-
$2,006 USD
A
Retailer 2
-
$2,022 USD
View
B+
Retailer 3
-
$3,347 USD
View
Most Expensive
B+
Helzberg Diamonds
ZXZOIKMGKKHM · Oct 30
$3,626 USD
View
3 more retailers have this diamond
Prices start from $2,006 USDSave up to $1,620 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 Oval
$2,006 USD