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Round|Natural|GIA

1.29ct I SI1 Round Natural Diamond

EX • I/SI1 • GIA 7551816597

Certificate GIA 7551816597

Diamond specifications and retailer prices

From $2,750 SGD
As of November 5, 2026
Save $1,093 SGD (28%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,882 SGD at Wholesale Diamonds Direct · As of October 26, 2026
View at Wholesale Diamonds Direct

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 7551816597. Listed at 15 retailers as of November 5, 2026, with a 40% 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
FluorescenceStrong
Crown angle32.5°
Pavilion angle41.6°
OriginNatural
Grading LabGIA
CertificateGIA 7551816597
Dimensions6.98 × 7.01 × 4.29 mm
L/W Ratio1.00
Culet sizeNone
Top View
6.98 mm7.01 mm1.29 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceStrong
CertificateGIA 7551816597
Side View
Table 58.0%Crown 32.5°Girdle: THN-STKPavilion 41.6°Culet: NoneDepth 61.3%

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: Nov 5
Current: $2,750 SGD|Low: $2,735 SGD|High: $5,121 SGD|Avg: $3,587 SGD|-6.9%
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
Wholesale Diamonds Direct
November 5, 2026
Retailer 1$2,750 SGD
Retailer 11$2,889 SGD
Retailer 10$2,945 SGD
Retailer 9$2,969 SGD
Retailer 8$3,189 SGD
Retailer 4$3,233 SGD
Retailer 12$3,319 SGD
Retailer 2$3,503 SGD
Retailer 3$3,673 SGD
Retailer 6$3,710 SGD
Retailer 7$3,724 SGD
Retailer 5$3,891 SGD
Retailer 13$4,528 SGD
Wholesale Diamonds Direct$4,882 SGD

27 data points across 14 retailers

15 retailers$2,750 SGD to $3,844 SGD

A
Cheapest Retailer
-
$2,750 SGD
Retailer 2
-
$2,889 SGD
View
Price last confirmed 8 days ago
Retailer 3
-
$2,945 SGD
View
Price last confirmed 8 days ago
Retailer 4
-
$2,969 SGD
View
Price last confirmed 10 days ago
Retailer 5
-
$3,189 SGD
View
Price last confirmed 8 days ago
Retailer 6
-
$3,233 SGD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$3,319 SGD
View
A
Retailer 8
-
$3,503 SGD
View
A
Retailer 9
-
$3,673 SGD
View
A
Retailer 10
-
$3,710 SGD
View
Retailer 11
-
$3,724 SGD
View
Price last confirmed 8 days ago
A
Retailer 12
-
$3,844 SGD
View
Retailer 13
-
$3,891 SGD
View
Price last confirmed 12 days ago
Retailer 14
-
$4,528 SGD
View
Price last confirmed 8 days ago
Most Expensive
Wholesale Diamonds Direct
611240164 · Oct 26
$4,882 SGD
$3,809 USD
View
Price last confirmed 11 days ago
14 more retailers have this diamond
Prices start from $2,750 SGDSave up to $1,093 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
$2,750 SGD