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Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 3555469223

Certificate GIA 3555469223

Diamond specifications and retailer prices

From $5,006 SGD
$3,916 USD
As of October 30, 2026
Save $2,165 SGD (30%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $7,171 SGD at 77 Diamonds · As of November 1, 2026
View at 77 Diamonds

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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 3555469223. Listed at 5 retailers as of October 30, 2026, with prices from $5,006 to $7,171, a $2,165 spread on the same certified stone. 77 Diamonds lists it at $7,171. 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
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle34°
Pavilion angle41.4°
OriginNatural
Grading LabGIA
CertificateGIA 3555469223
Dimensions6.98 × 7.02 × 4.30 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Key to symbols
Crystal, Feather, Needle, Indented Natural, Natural
Top View
6.98 mm7.02 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 3555469223
Side View
Table 58.0%Crown 34°Girdle: THN-STKPavilion 41.4°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $7,171 SGD|Low: $2,144 SGD|High: $7,218 SGD|Avg: $3,771 SGD|+104.0%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 12$2,144 SGD
Retailer 3$2,312 SGD
Retailer 7$2,343 SGD
Retailer 11$2,850 SGD
Retailer 4$3,149 SGD
Retailer 10$3,156 SGD
Retailer 6$3,635 SGD
Retailer 8$4,947 SGD
Retailer 5$5,006 SGD
Retailer 2$5,210 SGD
Retailer 9$5,991 SGD
77 Diamonds$7,171 SGD

36 data points across 12 retailers

5 retailers$5,006 SGD to $7,171 SGD

Retailer 1
-
$3,574 SGD
$2,796 USD
Price last confirmed 40 days ago
B+
Retailer 2
-
$5,006 SGD
$3,916 USD
View
B+
Retailer 3
-
$5,210 SGD
$4,075 USD
View
Retailer 4
-
$7,149 SGD
$5,592 USD
View
Price last confirmed 42 days ago
Most Expensive
B
77 Diamonds
RBZDPUTZMZZ · Nov 1
$7,171 SGD
£4,417 GBP
View
4 more retailers have this diamond
Prices start from $5,006 SGDSave up to $2,165 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.

B+
1.29ct Round
$5,006 SGD