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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 $4,338 SGD
$3,393 USD
As of October 30, 2026
Save $4,253 SGD (50%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $8,591 SGD 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 $4,338 to $8,591, a $4,253 spread on the same certified stone. NZ Jewellers lists it at $8,591. 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
Colour
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: $8,591 SGD|Low: $4,070 SGD|High: $8,591 SGD|Avg: $5,579 SGD|+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
November 1, 2026
Retailer 3$4,338 SGD
Retailer 5$4,376 SGD
Retailer 11$4,436 SGD
Retailer 14$4,477 SGD
Retailer 13$4,550 SGD
Retailer 9$4,614 SGD
Retailer 4$4,931 SGD
Retailer 16$4,931 SGD
Retailer 12$5,120 SGD
Retailer 15$5,689 SGD
Retailer 6$5,725 SGD
Retailer 2$5,748 SGD
Retailer 8$5,875 SGD
Retailer 7$7,771 SGD
Retailer 10$8,246 SGD
NZ Jewellers$8,591 SGD

37 data points across 16 retailers

13 retailers$4,338 SGD to $8,591 SGD

A
Cheapest Retailer
-
$4,338 SGD
$3,393 USD
A
Retailer 2
-
$4,436 SGD
$3,470 USD
View
A
Retailer 3
-
$4,477 SGD
$3,502 USD
View
B+
Retailer 4
-
$4,550 SGD
$3,559 USD
View
Final sale: no returns
A
Retailer 5
-
$4,614 SGD
£2,842 GBP
View
B+
Retailer 6
-
$4,931 SGD
$3,857 USD
View
B+
Retailer 7
-
$4,931 SGD
$3,857 USD
View
B+
Retailer 8
-
$5,120 SGD
$4,005 USD
View
B+
Retailer 9
-
$5,447 SGD
£3,355 GBP
View
B+
Retailer 10
-
$5,689 SGD
$4,450 USD
View
B+
Retailer 11
-
$5,748 SGD
€4,282 EUR
View
B
Retailer 12
-
$8,246 SGD
£5,079 GBP
View
Most Expensive
B
NZ Jewellers
d3273f70-975b-4488-8981-a1337a750251 · Oct 30
$8,591 SGD
$6,720 USD
View
12 more retailers have this diamond
Prices start from $4,338 SGDSave up to $4,253 SGD

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
$4,338 SGD