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Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 6552135118

Certificate GIA 6552135118

Diamond specifications and retailer prices

From $4,466 SGD
As of November 3, 2026
Save $3,626 SGD (45%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $8,432 SGD at NZ Jewellers · As of October 3, 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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6552135118. Listed at 14 retailers as of November 1, 2026, with a 81% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginNatural
Grading LabGIA
CertificateGIA 6552135118
Dimensions7.05 × 7.01 × 4.22 mm
L/W Ratio1.01
Star length45%
Top View
7.05 mm7.01 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6552135118
Side View
Table 59.0%Crown 33°GirdlePavilion 40.8°Culet: NoneDepth 60.0%

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: Nov 3
Current: $5,026 SGD|Low: $4,466 SGD|High: $8,419 SGD|Avg: $5,534 SGD|+1.9%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 3, 2026
Retailer 12$4,466 SGD
Retailer 13$4,633 SGD
Retailer 7$4,655 SGD
Retailer 3$4,839 SGD
Retailer 4$5,024 SGD
Retailer 1$5,026 SGD
Retailer 5$5,166 SGD
Retailer 2$5,188 SGD
Retailer 11$5,226 SGD
Retailer 10$5,574 SGD
Retailer 6$5,644 SGD
Retailer 9$5,948 SGD
Retailer 8$8,092 SGD

24 data points across 13 retailers

14 retailers$4,466 SGD to $8,092 SGD

A
Cheapest Retailer
-
$4,466 SGD
Final sale: no returns
A
Retailer 2
-
$4,633 SGD
View
A
Retailer 3
-
$4,655 SGD
View
Retailer 4
-
$4,839 SGD
View
Price last confirmed 29 days ago
Retailer 5
-
$5,024 SGD
View
Price last confirmed 28 days ago
B+
Retailer 6
-
$5,026 SGD
View
Retailer 7
-
$5,188 SGD
View
Price last confirmed 33 days ago
B+
Retailer 8
-
$5,226 SGD
View
B+
Retailer 9
-
$5,574 SGD
View
Retailer 10
-
$5,584 SGD
View
Price last confirmed 35 days ago
B+
Retailer 11
-
$5,644 SGD
View
B
Retailer 12
-
$5,948 SGD
View
B
Retailer 13
-
$8,092 SGD
View
Most Expensive
NZ Jewellers
0f788a29-1646-44e9-927e-51f021c4856d · Oct 3
$8,432 SGD
$6,579 USD
View
Price last confirmed 34 days ago
13 more retailers have this diamond
Prices start from $4,466 SGDSave up to $3,626 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
$4,466 SGD