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1.29ct H SI2 Round Natural Diamond

EX • H/SI2 • IGI 670444282

Shape and cutting style on the report: Round brilliant

Certificate IGI 670444282

Diamond specifications and retailer prices

From $3,393 USD
As of October 30, 2026
Save $3,327 USD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $6,720 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 H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI 670444282. Listed at 13 retailers as of October 30, 2026, with prices from $3,393 to $6,720, a $3,327 spread on the same certified stone. NZ Jewellers lists it at $6,720. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41°
OriginNatural
Grading LabIGI
CertificateIGI 670444282
Dimensions6.96 × 6.91 × 4.35 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Top View
6.96 mm6.91 mm1.29 ctH / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI 670444282
Side View
Table 57.0%Crown 36.5°Girdle: MediumPavilion 41°Culet: NoneDepth 62.8%

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: $6,720 USD|Low: $3,184 USD|High: $6,720 USD|Avg: $4,364 USD|+2.5%
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 30, 2026
Retailer 3$3,393 USD
Retailer 5$3,423 USD
Retailer 11$3,470 USD
Retailer 14$3,502 USD
Retailer 13$3,559 USD
Retailer 9$3,620 USD
Retailer 4$3,857 USD
Retailer 16$3,857 USD
Retailer 12$4,005 USD
Retailer 15$4,450 USD
Retailer 6$4,478 USD
Retailer 2$4,516 USD
Retailer 8$4,596 USD
Retailer 7$6,079 USD
Retailer 10$6,485 USD
NZ Jewellers$6,720 USD

36 data points across 16 retailers

13 retailers$3,393 USD to $6,720 USD

A
Cheapest Retailer
-
$3,393 USD
Retailer 2
-
$3,470 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$3,502 USD
View
B+
Retailer 4
-
$3,559 USD
View
Final sale: no returns
A
Retailer 5
-
$3,620 USD
£2,850 GBP
View
B+
Retailer 6
-
$3,857 USD
View
B+
Retailer 7
-
$3,857 USD
View
B+
Retailer 8
-
$4,005 USD
View
B+
Retailer 9
-
$4,261 USD
£3,355 GBP
View
B+
Retailer 10
-
$4,450 USD
View
B+
Retailer 11
-
$4,516 USD
€4,301 EUR
View
B
Retailer 12
-
$6,485 USD
£5,106 GBP
View
Most Expensive
B
NZ Jewellers
d3273f70-975b-4488-8981-a1337a750251 · Oct 30
$6,720 USD
View
12 more retailers have this diamond
Prices start from $3,393 USDSave up to $3,327 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
$3,393 USD