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Heart|Natural|GIA

1.28ct I SI1 Heart Natural Diamond

EX • I/SI1 • GIA 7556044238

Certificate GIA 7556044238

Diamond specifications and retailer prices

From $1,920 USD
As of November 4, 2026
Save $2,500 USD (57%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $5,910 USD at NZ Jewellers · As of September 25, 2026
View at NZ Jewellers

About this 1.28ct natural heart diamond

This 1.28ct natural heart sits in the one-and-a-quarter to one-and-a-half carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 7556044238. Listed at 17 retailers as of November 4, 2026, with a 130% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

1.28
Carat
I
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 7556044238
Dimensions6.65 × 7.51 × 4.34 mm
L/W Ratio1.13
Girdle conditionFaceted
Top View
6.65 mm7.51 mm1.28 ctI / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 7556044238
Side View
Table 58.0%CrownGirdle: MED-THKPavilionCulet: NoneDepth 57.7%

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 4
Current: $2,677 USD|Low: $1,920 USD|High: $4,861 USD|Avg: $2,909 USD|-7.0%
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
Retailer 14
Retailer 15
November 5, 2026
Retailer 10$1,920 USD
Retailer 3$2,222 USD
Retailer 9$2,268 USD
Retailer 12$2,335 USD
Retailer 13$2,400 USD
Retailer 4$2,405 USD
Retailer 11$2,505 USD
Retailer 5$2,630 USD
Retailer 1$2,677 USD
Retailer 2$2,728 USD
Retailer 7$3,080 USD
Retailer 15$3,263 USD
Retailer 14$3,964 USD
Retailer 6$3,990 USD
Retailer 8$4,420 USD

27 data points across 15 retailers

17 retailers$1,920 USD to $4,420 USD

A
Cheapest Retailer
-
$1,920 USD
Retailer 2
-
$2,222 USD
View
Price last confirmed 8 days ago
A
Retailer 3
-
$2,268 USD
View
A
Retailer 4
-
$2,335 USD
View
Final sale: no returns
A
Retailer 5
-
$2,400 USD
View
Retailer 6
-
$2,405 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$2,505 USD
View
A
Retailer 8
-
$2,630 USD
View
A
Retailer 9
-
$2,677 USD
View
A
Retailer 10
-
$2,728 USD
View
B+
Retailer 11
-
$2,995 USD
View
Retailer 12
-
$3,080 USD
View
Price last confirmed 29 days ago
B+
Retailer 13
-
$3,263 USD
View
B
Retailer 14
-
$3,964 USD
View
B
Retailer 15
-
$3,990 USD
View
B+
Retailer 16
-
$4,420 USD
View
Most Expensive
NZ Jewellers
51cf11a4-94cb-49a5-b5c0-8df3dfc5fe88 · Sep 25
$5,910 USD
View
Price last confirmed 40 days ago
16 more retailers have this diamond
Prices start from $1,920 USDSave up to $2,500 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 Heart
$1,920 USD