Round|Natural|GIA

1.27ct G IF Round Natural Diamond

EX • G/IF • GIA 6451718917

Certificate GIA 6451718917

Diamond specifications and retailer prices

From $7,540 USD
As of October 28, 2026
Save $13,975 USD (65%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $21,515 USD at Diamond Quarter · As of October 31, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GIA 6451718917. Listed at 22 retailers as of October 28, 2026, with prices from $7,540 to $21,515, a $13,975 spread on the same certified stone. Diamond Quarter lists it at $21,515. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
OriginNatural
Grading LabGIA
CertificateGIA 6451718917
Dimensions7.10 × 7.06 × 4.18 mm
L/W Ratio1.01
Top View
7.10 mm7.06 mm1.27 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6451718917
Side View
Table 60.0%Crown 33.5°Girdle: THN-MEDPavilionCulet: NoneDepth 59.0%

Caratlytics Score

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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: Oct 28
Current: $8,902 USD|Low: $7,382 USD|High: $13,583 USD|Avg: $9,628 USD|+0.4%
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
October 29, 2026
Retailer 12$7,415 USD
Retailer 5$7,540 USD
Retailer 13$7,602 USD
Retailer 4$8,015 USD
Retailer 3$8,052 USD
Retailer 6$8,677 USD
Retailer 10$8,895 USD
Retailer 1$8,902 USD
Retailer 2$9,234 USD
Retailer 8$10,506 USD
Retailer 9$11,557 USD
Retailer 11$11,622 USD
Retailer 7$13,492 USD

35 data points across 13 retailers

22 retailers$7,540 USD to $21,515 USD

Retailer 1
-
$7,415 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$7,540 USD
View
A
Retailer 3
-
$7,602 USD
View
A
Retailer 4
-
$8,015 USD
View
A
Retailer 5
-
$8,052 USD
View
Final sale: no returns
A
Retailer 6
-
$8,582 USD
View
A
Retailer 7
-
$8,677 USD
£6,832 GBP
View
Retailer 8
-
$8,724 USD
View
Price last confirmed 30 days ago
Retailer 9
-
$8,859 USD
View
Price last confirmed 32 days ago
Retailer 10
-
$8,895 USD
A$13,685 AUD
View
Price last confirmed 7 days ago
A
Retailer 11
-
$8,902 USD
£7,010 GBP
View
A
Retailer 12
-
$9,234 USD
View
Retailer 13
-
$9,234 USD
View
Price last confirmed 26 days ago
A
Retailer 14
-
$9,630 USD
View
Retailer 15
-
$10,066 USD
View
Price last confirmed 31 days ago
B+
Retailer 16
-
$10,506 USD
€10,006 EUR
View
Retailer 17
-
$10,603 USD
View
Price last confirmed 8 days ago
B+
Retailer 18
-
$11,557 USD
£9,100 GBP
View
Retailer 19
-
$11,622 USD
ZAR 187,748 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 20
-
$13,492 USD
£10,624 GBP
View
Retailer 21
-
$16,106 USD
View
Price last confirmed 33 days ago
Most Expensive
B
Diamond Quarter
1.27IFG64171BF4N · Oct 31
$21,515 USD
£16,941 GBP
View
21 more retailers have this diamond
Prices start from $7,540 USDSave up to $13,975 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
1.27ct Round
$7,540 USD