Round|Natural|GIA

1.28ct G IF Round Natural Diamond

EX • G/IF • GIA 1543750667

Certificate GIA 1543750667

Diamond specifications and retailer prices

From $7,361 USD
€7,010 EUR
As of November 1, 2026
Save $8,479 USD (54%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: $15,839 USD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

About this 1.28ct natural round diamond

This 1.28ct 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 1543750667. Listed at 8 retailers as of October 30, 2026, with prices from $7,361 to $15,839, a $8,479 spread on the same certified stone. NZ Jewellers lists it at $15,839. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.28
Carat
G
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginNatural
Grading LabGIA
CertificateGIA 1543750667
Dimensions6.90 × 6.93 × 4.29 mm
L/W Ratio1.00
Star length50%
Top View
6.90 mm6.93 mm1.28 ctG / IF
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1543750667
Side View
Table 58.0%Crown 35.5°Girdle: STK-STKPavilion 40.6°Culet: NoneDepth 62.0%

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 1
Current: $15,839 USD|Low: $6,970 USD|High: $15,839 USD|Avg: $10,289 USD
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 5$7,361 USD
Retailer 8$8,476 USD
Retailer 4$8,742 USD
Retailer 7$9,563 USD
Retailer 3$9,935 USD
Retailer 6$10,272 USD
Retailer 2$13,198 USD
NZ Jewellers$15,839 USD

25 data points across 8 retailers

8 retailers$7,361 USD to $15,839 USD

A
Cheapest Retailer
-
$7,361 USD
€7,010 EUR
A
Retailer 2
-
$8,476 USD
View
A
Retailer 3
-
$8,742 USD
View
Final sale: no returns
A
Retailer 4
-
$9,563 USD
View
A
Retailer 5
-
$9,935 USD
€9,462 EUR
View
B+
Retailer 6
-
$10,272 USD
£8,088 GBP
View
B+
Retailer 7
-
$13,198 USD
£10,392 GBP
View
Most Expensive
B
NZ Jewellers
4ea21e07-7513-4ebf-aefe-6dbced2c2072 · Oct 30
$15,839 USD
View
7 more retailers have this diamond
Prices start from $7,361 USDSave up to $8,479 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
1.28ct Round
$7,361 USD