Round|Natural|GIA

1.27ct D SI2 Round Natural Diamond

EX • D/SI2 • GIA 6401046249

Certificate GIA 6401046249

Diamond specifications and retailer prices

From $7,360 AUD
£4,071 GBP
As of October 30, 2026
Save $8,287 AUD (53%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $15,647 AUD at Diamond Quarter · As of October 29, 2026
View at Diamond Quarter

About this 1.27ct natural round diamond

This 1.27ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6401046249. Listed at 6 retailers as of October 29, 2026, with prices from $7,360 to $15,647, a $8,287 spread on the same certified stone. Diamond Quarter lists it at $15,647. 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

1.27
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 6401046249
Dimensions6.92 × 6.89 × 4.31 mm
L/W Ratio1.00
Top View
6.92 mm6.89 mm1.27 ctD / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 6401046249
Side View
Table 56.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.5%

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: $8,399 AUD|Low: $5,979 AUD|High: $11,962 AUD|Avg: $7,889 AUD|+4.7%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 30, 2026
Retailer 4$5,979 AUD
Retailer 6$5,983 AUD
Retailer 2$7,360 AUD
Retailer 5$8,190 AUD
Retailer 1$8,399 AUD
Retailer 3$11,884 AUD

36 data points across 6 retailers

6 retailers$7,360 AUD to $15,647 AUD

Retailer 1
-
$5,979 AUD
$4,200 USD
Price last confirmed 13 days ago
B+
Retailer 2
-
$7,360 AUD
£4,071 GBP
View
Retailer 3
-
$8,190 AUD
$5,753 USD
View
Price last confirmed 8 days ago
B+
Retailer 4
-
$8,399 AUD
€5,619 EUR
View
B
Retailer 5
-
$11,884 AUD
£6,573 GBP
View
Most Expensive
B
Diamond Quarter
1.27SI2D64491E79N · Oct 29
$15,647 AUD
£8,654 GBP
View
5 more retailers have this diamond
Prices start from $7,360 AUDSave up to $8,287 AUD

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+
1.27ct Round
$7,360 AUD