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Round|Natural|GIA

1.29ct I SI2 Round Natural Diamond

EX • I/SI2 • GIA 2556706754

Certificate GIA 2556706754

Diamond specifications and retailer prices

From $1,812 USD
SGD 2,449 SGD
As of October 31, 2026
Save $1,713 USD (49%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $3,525 USD 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 SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 2556706754. Listed at 12 retailers as of October 26, 2026, with prices from $1,812 to $3,525, a $1,713 spread on the same certified stone. Wholesale Diamonds Direct lists it at $3,525. 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
Color
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
Crown angle36.5°
Pavilion angle41.2°
OriginNatural
Grading LabGIA
CertificateGIA 2556706754
Dimensions6.88 × 6.93 × 4.35 mm
L/W Ratio1.01
Culet sizeNone
Top View
6.88 mm6.93 mm1.29 ctI / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceFaint
CertificateGIA 2556706754
Side View
Table 57.0%Crown 36.5°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 63.0%

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 31
Current: $2,787 USD|Low: $1,812 USD|High: $3,735 USD|Avg: $2,563 USD|-4.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Wholesale Diamonds Direct
October 29, 2026
Retailer 8$1,812 USD
Retailer 5$2,136 USD
Retailer 7$2,154 USD
Retailer 2$2,345 USD
Retailer 3$2,354 USD
Retailer 4$2,414 USD
Retailer 9$2,551 USD
Retailer 10$2,697 USD
Retailer 6$2,705 USD
Retailer 1$2,787 USD
Wholesale Diamonds Direct$3,525 USD

40 data points across 11 retailers

12 retailers$1,812 USD to $3,525 USD

A
Cheapest Retailer
-
$1,812 USD
SGD 2,449 SGD
A
Retailer 2
-
$2,136 USD
View
A
Retailer 3
-
$2,154 USD
View
A
Retailer 4
-
$2,345 USD
SGD 3,169 SGD
View
A
Retailer 5
-
$2,354 USD
£1,854 GBP
View
A
Retailer 6
-
$2,414 USD
View
A
Retailer 7
-
$2,551 USD
View
A
Retailer 8
-
$2,697 USD
View
A
Retailer 9
-
$2,705 USD
£2,130 GBP
View
A
Retailer 10
-
$2,787 USD
€2,654 EUR
View
A
Retailer 11
-
$2,893 USD
View
Most Expensive
A
Wholesale Diamonds Direct
570868304 · Oct 26
$3,525 USD
View
11 more retailers have this diamond
Prices start from $1,812 USDSave up to $1,713 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
$1,812 USD