CaratHunter
Plans
Heart|Natural|GIA

1.64ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5111564215

Certificate GIA 5111564215

Diamond specifications and retailer prices

From $7,680 USD
As of October 28, 2026
1 retailer carries this diamond
Only listing: $7,680 USD at Rare Carat
Only one retailer lists this diamond right now, and it is shown above, so there is nothing to unlock. Similar diamonds are carried by several retailers.
View at Rare Carat

About this 1.64ct natural heart diamond

This 1.64ct natural heart sits in the one-and-a-half to two carat band, graded J 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 5111564215. Listed at a single retailer as of October 28, 2026. If it later appears at another store, Carat Hunter will surface the price comparison automatically. 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

1.64
Carat
J
Color
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
OriginNatural
Grading LabGIA
CertificateGIA 5111564215
Dimensions8.56 × 8.41 × 3.81 mm
L/W Ratio1.02
Top View
8.56 mm8.41 mm1.64 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceMedium
CertificateGIA 5111564215
Side View
Table 63.0%CrownGirdle: MED-VTKPavilionCuletDepth

Caratlytics Score

How it works →
B
Good
Decent quality, room for better deals
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $7,680 USD|Low: $7,680 USD|High: $7,700 USD|Avg: $7,690 USD|-0.3%
October 18, 2026
Rare Carat$7,680 USD

3 data points across 1 retailer

1 retailer

B
Rare Carat
NN109 · Oct 28
$7,680 USD
View

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
1.64ct Heart
$7,680 USD